High rpm 454 build. The question was high rpm not cruising at 2000 rpm.
High rpm 454 build Jan 11, 2018 · Building a 700 HP 454 Engine: A Comprehensive Guide If you’re looking to build a high-performance 700 hp 454 engine, you’re in the right place! This post aims to break down the essential components and tuning tips to help you achieve that power level on your Chevrolet. 760 arm. The purpose of the car is going to half race and half street, i don't mind race gas-kind of like the smellof it!I already have 2 rectangular port intakes so thats why i Nov 21, 2020 · Edelbrock RPM Air Gap intake manifold Scorpion roller rockers; 1. 10 posi. now you mention that this is a 2 bolt bbc, i dont think i would build a blown bbc out of a 2 bolt main sbc unless you're looking for less than 500 Dec 9, 2013 · I have some parts for a low buck 4. Nov 19, 2012 · Im doing a similar build (im actually in the middle of right now) but its a 454 (4 bolt main) bored to 4. This TWPE-built 556 certainly looks the part of an all-out race engine but, in fact, it was a very effective truck engine. The second run it made 595 HP so we switched from the 850 Holley to a 950 Ultra XP and bumped the timing up by 1. e. Have good ARP rod bolts put in the rods and have them resized, stock rod bolts are not exactly high quality pieces and rod bolts are the most highly stressed fastener in the engine. Sep 17, 2012 · OldLSX 454, FTI 3800 stall. Smoked the 460 Ford which made around 375HP, and around 490TQ. Feb 8, 2022 · 'My goal is to build a semi-reliable 700-800hp non-stroker 454 (before boost) ""11:1 CR so I can still run pump gas (93 octane)" "I really just don't want to put it all together and blow it up 3 months in," You are kind of setting yourself up for the last line with the other 2. Jan 1, 2016 · Check Out an LSX 454 Engine Build That Makes 584 Horsepower. Compression was about the same as the OP and the cam was a very mild flat tappet,226@. The cadillac 500s weak link in my view is its low revving charistics. You may want to verify this and consider retrofit roller. Apr 23, 2006 · I have a 1970's 454 2 bolt block stock bore, stock cast crank, stock rods with apr rod bolts, cheapo hypereutectic pistons 10:1 compression, lunatti hydralic cam 232/239 . 485-inch valve lift Oct 1, 2012 · Not only did the motor produce 422 lb-ft at 3,900 rpm, but the 0. 30 over 244/244 hydraulic flat tappet cam magnum 781 heads stock upgraded valve springs Weiand oval port intake Holley sniper efi . 200-inch titanium intake valves and 1. Feb 13, 2014 · Factory 454 blocks are fine at 700 hp, but if you are serious about building an axle-twisting Rat, then invest in a good block. 25 out of 5 stars. 4:1 CR), Lunati Voodoo billet 60213 hyd roller, Lunati hyd roller lifters, Scorpion 1. :11-246-3Grind:CB XE274H-10 Type:Hydraulic flat-tappetDuration at 0. 0/1 CR, roller cam and broad powerband from idle to 5000, then the 454 Vortec is the way to go. 42 geared 1970 Chevelle. Jul 16, 2007 · well- this engine build has been dificult from day one. I've never had to buy valve springs before so I don't know what to do Aug 23, 2010 · We transform a rather bland Chevy 454 block into a mean 496 big block using an Eagle stroker kit, Edelbrock dual-plane intake, COMP cams, lifters and rockers, and more - Popular Hot Rodding Magazine Dec 11, 2012 · Camshaft SpecificationsManufacturer:Comp CamsPart No. Here is all the build information. 226/232, 587/610 lift. is that the larger displacement engines are turning lower rpm with better street manners than mine. I did search out and buy a set of 049 heads after reading some. 4,000 fpm seems to be the benchmark that engine builders concerned with endurance (i. 558, Edelbrock performer RPM intake, Holley 850 double pumper, GM cast peanut port oval port heads with mild porting done by me, stock valves, high volume oil pump, true Oct 30, 2005 · Being dual planes, they will help keep/build low rpm torque/grunt to get you up on a plane, but both will deliver a superior top end charge (to roughly 7000 rpm, if you wanted to twist it that tight) over the stock intake. Aug 14, 2003 · also you have a better chace of detination. It wan a 12. I hate to say it. Sep 20, 2004 · Build a 740hp Big-Block Chevy in Your Driveway. ) * weak/broken valve springs. I'm also looking at a relatively low RPM street build (going in a glass bodies 34 ford in front of a 700R4/ 9" Ford rear). But, if someone wants a reliable, cost effective, torque motor, c/w streetable 9. 10 gears and a th400. Aug 4, 2020 · It really surprised us by making 623 HP @ 6000 RPM and 604 ft-lbs @4900 RPM. Oct 1, 2013 · Peanut Port 454 build. Mar 4, 2024 · Chevy 454 Big Block Budget Build: Recipes for 400-600 HP. They also killed it with nitrous. 4 Vortec stock MPFI 5. Mar 18, 2023 · New 2023 episode! Our Big Block Chevy gets ready for life inside a high-revving hot rod, with the addition of higher-flowing cylinder heads, a bigger intake Oct 30, 2015 · Put down the car magazines and come back to reality. Good advice, Broc. I think the mag was called Engine Masters a few months ago. 080 and be good. I've got 4. The internals are not traveling as far as high RPM. The second run it made 595 HP so we switched from the 850 Holley to a 950 and bumped the timing up by 1. As such it was designed to make power only at high RPM. Apr 27, 2021 · The basis upon which the entire engine is built is an iron Dart “file” block. Nov 10, 2014 · The motor was designed in late 1961 to be a race engine for NASCAR high bank racing. The shortblock is assembled and on the stand so i don't want to cut the pistons. May 25, 2005 · Hey, I was wondering can a 454 bored 40 over with stock crank, reconditioned rods, forged pistons, 10. 566 / . 47-inch bore and 4-inch stroke, will breathe well with Oct 20, 2003 · (If suspected carte rmakes a nice street/strip pump and also run the lighter hollow pump rod for added insurance to eliminate any chance for pump rod float at higher rpms. May 20, 2020 · If you want big power then a big-inch big-block is just the ticket to make your dreams come true. Mar 1, 2011 · Let's emphasize this right here: 425 hp with just an intake and headers! Once we added the camshaft, the power jumped to 483 hp at 6,000 rpm and 450 lb-ft at 5,000 rpm. I have searched and read alot of them. The extremely small cam in these motors makes them horrible. 00 build. Jan 19, 2011 · Hi guys. engine with a bigger cam and a better spring than the stock 454 H. Thinking about doing an E85 hydraulic cam build. 9. 030-over 350 produced over 400 lb-ft for nearly a 2,000-rpm spread. Part Number: EDL-60439 Estimated Ship Date: Today Sep 17, 2006 · Cast 4. /286* exh. Feb 11, 2014 · Our intermediate cam was clearly favoring the upper end of the rpm range, and at this level of cam duration a single-plane intake manifold would likely further complement the high-rpm power. 51 lift int & exh. 4), which has it's pluses and minuses. 7 rocker arm PN11645 Coast High Performance Edelbrock RPM heads PN60459 Summit Racing 6. Problem being. 8 with 3. The specs are Bored . I don't want to spend a lot of money on this build because it's just an old pick-up and my Elky needs some lovin' too, but I want to do it right at the same time. 31 gear 4200LB Tuned by Nola High Performance LLC. I want good high rpm function for high top speed. 46 '60 on DR old set up Current set up 403 Iron motor. Sure it will fall on its face in high rpm but you’re not building a high rpm engine. May 26, 2011 · 700hp 454 LS Stroker Build - Thump on Pump. and if the same guy said he would build you a rock'n set of heads for 250. 533 lift,108 LSA. I really don't care how many cubes (so any block will do), but since I've been driving my 944 I've gotten really used to the higher RPM's. and a good cam is the best choice. To get there we build a 582 inch big-block that makes over 800 hp at 6,600 rpm! May 25, 2007 · Build ItStarting at the foundation, any 454 engine block can serve as an excellent basis for a stout performance build. Nov 2, 2014 · 454's with small "peanut port" heads pull really well at lower RPMs,and you dont want high revs with a long stroke engine like a 454 either really,that leads to tossed rods and spun bearingsthe stock cam or an RV/towing cam designed for lower RPM use will deliver better performance than a higher lift and duration one will under heavy loads Jan 27, 2017 · The Z-11 RPO Mark II 427ci big-block with its 4. A 489-496 variety build would do it better, but Mar 24, 2022 · Marine engines spend relatively long periods at constant, fairly high throttle settings. Jun 7, 2013 · The oil rings are designed to provide approximately 20 pounds of tension against the cylinder walls to help keep the oil under control at higher rpm. for gas reasons if you want to run high comp. Not sure what springs I need. 55/3. Jan 14, 2013 · Most people can afford to build a high performance street or all out race engine only once every 1 to 5 years. - Starting to build 454 bbc to my Chris craft 260 stinger. 73:1 rear gear and a muncie 4 speed transmission is whats used most commonly, with about 27-29" tires depending on the car and clearances. 549/. For 1 you can forget about driving this car on the street in any civil manner. Jun 1, 2012 · I know there are alot of 454 question threads on here. 4. 5 out of 5 stars. 060), Muncie 4 spd, Centerforce dual fric clutch, "781" heads 2. Jul 10, 2015 · My 454 has stock cast crank & rods that have been balanced w/ARP rod & main bolt kit. 090" length rods, and a slightly cleaned up cast 255 3" stroke crank. 72? is that right Not a daily driver. Will the turbos come on in time before the engine runs out of rpm. 5 - 11. There is probably some combo that will work good, like 4-1 into an X-pipe then to boom tubes. if you build an engine too make impressive peak power in the 5500-6500 rpm range, like most guys tend to do , Mar 8, 2017 · Our fears were soon put to rest as the Edelbrock-enhanced 454 thumped out peak numbers of 481 hp at 5,500 rpm and 527 lb-ft of torque at 3,800 rpm. 75" on the BBC you bore the 427 BBC or 454 BBC block . I want to build an engine that produces monster torque. can replace a Holley carb for high mid rpm to high rpm. 73 Eaton posi, Scat forged rot assm (21cc Wiseco slugs for 10. It won't bleed down at high rpm. Think of them as the opposite of drag-racing engines, which use their power in short, intense bursts. When I bought my 1979 GMC C35 Dually it had a 650 CFM Edelbrock carb on the 454 and the throttle response was great - it fed the 454 just fine. The combination of small but high-flowing intake ports, long intake runners, and the right cam proved to be capable of high torque output over a wide RPM range. The purpose is offroad crawling and romping. The block is a standard bore from the same vintage truck and it is complete. We were more Jan 25, 2023 · Hey guys I’m new to this engine building scene and would really like to get into it. x66 coupe Nov 1, 2013 · Check out Kettbo's build in the forums. Jan 16, 2008 · To help keep oil on the cam with the tigher side clearance, the lifters were EDM'd. A block that will handle a very large bore with a short stroke would be the next to look for. The 781/049 heads work very well when prepped correctly. 1966 Chevelle wagon, 408 SB, 3. 509" O. 5:1 compression Hydraulic roller cam 242/288 @ . Part Number: EDL-60435 Estimated Ship Date: Tomorrow Feb 25, 2010 · Ive never figured out why guys get all giddy over using vortec heads on a SBC and then dismiss the peanut port heads on a BBC, if you put vortecs that flow about 230cfm, on a 383 or 400 sbc, with a matching compression and cam timing, you generally can build a real mid rpm torque monster, but guys don,t seem to realize mildly reworked peanut port heads easily flow 260 cfm, and on a 396-427 Jan 25, 2023 · a 10:1 454 with 781 heads, RPM type intake, decent exhaust and a mid-220ish cam - HR or flat tappet - should make over 500 gross HP. 1 with a comp ls6 repro cam 229 236 @ 50 530 524 lift 112 108 part number 11-670-4 will make 500hp at 5500 and 550tq at 4000. Mar 2, 2014 · Lunati claims "Very strong increase in torque and power at low RPM" 671$ for a cam and lifter kit This is a great option for your needs. 454 performance passenger block bored . View (44) $164. 35@107 MPH in 3. 38 Jun 19, 2012 · Great video! I love high revving small blocks, Chevy, Ford or Chrysler, Chevy is the cheapest to build. 470/0. 250 vs the 3. i dont think they would sell 454 . 7 ratio I don’t have the sheet from the first run when it made 598 HP. He wants to know the horsepower and torque for the engine. 2 to 1 with 118 heads so i was alittle off. Back story… Long time ago a friend had a 454ss truck. We build a 700hp 454 engine for $2,403. :mwink: Seemed like the 454 came along when that oil crisis happened or something and the 427 lost sight because they were drifting towards econo and low-end torque no mo high rpm smokem c ya latta bye. Build one right and you can also say good bye to burned thrust bearings, blue and/or ballooned torque converters, and trails of white smoke from boiled transmission fluid. The new components shifted the torque peak by just 400 rpm, but shifted the power peak by a solid 800 rpm. Apr 4, 2020 · Hello everybody! Just joined the forums and his is my first time posting here! I'm building a 454 suited for street and daily driving purposes but I have few questions regarding the build. Jun 18, 2005 · There's a good article that I can't find now, that compares 3 of the XE cams-the 268, 274 and the 284 on a big block-the bigger cams made some serious power, but mostly where I don't drive- high rpm. ) stock 14092360 peanut port heads Weiand 8122 intake Edelbrock 1406 carb Aug 24, 2009 · 454 build-up, flat tops, open chamber PEANUT PORTS, a Summit 4011(?) Holley-type 750, nothing else special. Oct 22, 2008 · Okay folks, need your opinions (hopefully tried and true). Nov 26, 2011 · Dual Valve Springs: 1. 040 over and block valve notched Jul 18, 2014 · The Blue Collar 454 did what you're trying to do on a decent budget. 040 over) with all forged internals and 10. Going to use 14072360 casting peanut port heads with good valve Job and mild porting. A high quality forged crank. Jun 3, 2011 · I'm going to start building my engine later this year. Here are the specs so far:-454 mark IV bored . Feb 19, 2021 · This is why the engineers at Chevrolet specified Edelbrock Performer RPM-O 280 cc heads with bigger valves for the ZZ502 street engine with a hydraulic roller , but used Edelbrock Performer RPM-R heads 320 cc rectangular port on the HO 454 with a solid roller that was designed to rev to 8K. 250-stroke crank PN 13766 Coast High Performance $259. Looking to get high tq. I'm picking up a 454 block in a week or so out of a donor truck. It was a 90 so it had 4. Sustained high power/marine situations/motorhome, you would want a 4-bolt main and steel crank. Jul 3, 2009 · I'm sure you can run the 454 on a 650 if you are looking for fuel economy, but come on its a 454 not a Honda Civic. A file core block is essentially a tall-deck block, which has been sectioned in order to reduce deck height, but without heavily machining the deck of the block itself. The highest advance I recorded when driving was only 37 deg, and that was when coasting down from a wot run. CNC LS9 heads, Built 4L80e, FTI triple disc 3200 stall, ID1300, duel Walbro 450 pumps 8. I am building/ having built, my mark IV 454. 5 to 1,Torkker II intake with a Holley Need help choosing new valve springs. ran 8. This is where transmission and final drive gear ratios come Mar 7, 2021 · Low Budget Build, Vortecpro sells iron heads that are prepped maybe even with valves for less $$ than alum heads and basically same results, probably half the price? of loaded alum. I've got a . Motor sold 10. 650-inch stroke was a true racing engine born strictly for stock car racing though some have applied it to drag racing. 88 valves. 00 1. The heads had huge intake ports to move air at high RPM but to avoid push rods the ports were asymmetrical (paired) which created a good and bad port due to how the charge was aimed. I have a shop class I go to currently and am building a 454. I have a few questions. rpm range (2200 to 5800) Any input/advice/direction would be appreciated. Its a big investment. 76" 0r May 8, 2019 · 454 block +. Outer, . It really surprised us by making 623 HP @ 6000 RPM and 604 ft-lbs @4900 RPM. Now, why spin it so high? A lot of power to be made these days without resorting to high RPM. 030 and stroke the standard 350 from 3. maybe even 8000. Dec 20, 2005 · I think we all miss the point fof the L29 454 Vortec motors. 13 gears, 32" tall tires Live in Colorado at 7000 foot, most towing is between 7-10K feet, with long grades between What I'm wanting to solve is the power drop above 3500 rpms. It has closed chamber heads so I suspect it simply can’t flow enough air around the valves at high rpm. I seem to recall that 454 is a flat tappet motor. 290 (. 0:1 compression made 565 hp at 5900 rpm Sep 7, 2024 · "The mechanical advance is 12° @ 1800 RPM, 16° to 20° @ 2400 RPM and reaches a maximum of 20° to 22° @ 3000 RPM. and still managed to improve the peak power by 20 horsepower and increase the peak engine speed from 5,200 to 5,600 rpm. 7 rocker arm Brodix race rite 270 cc oval port head 119cc combustion chamber Edlebrock RPM air gap oval port intake Holley The 440 has a longer stroke than bore size. More than a few Westech customers walked over to the dyno room when Apr 13, 2010 · i wouldn't really think that there is a such thing as a 454 blower budget build but okay. e 9. It is all done around 5,500 rpm. Mar 15, 2023 · An "RPM" intake is baby high rise geared toward higher HP while "maintaining drivability" (Edelbrock's words), most large tube headers are for high RPM performance some long tube headers with smaller primary tubes can be good for torque. Feb 1, 2008 · Here's my build 73 289 casting 454 block (std bore) 396/427 steel crank (was used, just polished, tolerances on the loose side) Used std bore L2268 forged CC 11-1's, pin fit pin to pistons (this is the key to high RPM abuse) Thumb rods with ARP wave locks (supposed to recon when changing bolts but I didn't, they're still untouched less the bolts. Understanding the Basics Before diving into the specifics, let’s clarify what the 454 cubic inch engine is. ft/lb torque at 3,600 rpm from a 9. The dyno sheet with the small numbers represents the gains from the carb and timing change. THose are " high rpm blueprinting" things. Its DZ-code 302 small-block used 4. Also of note was achieving this on 87-octane fuel. The question was high rpm not cruising at 2000 rpm. 73 12 bolt, 700R4, 12" discs front 10" rear. I under stand that I need to run domed pistons to get up as close to 9. Chevrolet Performance, Dart, World, and now Blueprint Engines all Edelbrock Performer RPM 454-O High-Compression Cylinder Heads 60435 EDL-60435. Watch this video, the car is a peanut port setup, notice the RPM range. Apr 15, 2018 · Looking for ideas and doing some research on the big block since I'm much more familiar with diesels Engine is a 1995 454 TBI all stock. 050-inch tappet lift with 0. Things you have to measure and correct if you want it to live at high R's. Ive built screaming 283s and 302s and destroked 350s with 4 bolt mains to 302! for less then building a 383 stroked 350! Its not that hard. Dec 30, 2022 · Id better see how building one engine goes. A bbc can rev to 8000 if needed with a short stroke and roller parts. 22 domed speed pro pistons Stock 4 bolt main crank Dec 21, 2008 · I agree keeping it around 5000 and under5500 will make it happy and keep it together. I will post pictures. 454 marine engine, mild cam, hydraulic lifters, low compression open chamber heads. And while a car cruising on the highway will turn about 1,500-2,500 rpm, a boat engine will generally be doing more like 3,500 to 4,500 rpm at cruise. Current gearing RPMs and Speedo: 4 gear 1:1 45 mph = 2500 rpms 55 mph = 3000 rpms 5th Oct 9, 2024 · The motor probably wouldnt see high rpms, and my plans is to keep it under 7500 miles a year. The problem from a racing stand point is these engines are RPM limited, not a problem in a street car, in fact the throttle response is incredible. Edel perf RPM heads w/ full Crane roller valvetrain. 566 lift 112 lobe separation 1. 000-inch bores and a 3. The extra 10 horses you might get with a Torker (or such) only come in at high RPM (>5500), which on the street is a very rare occurance. 00 Elgin flat-tappet cam PN14318 Coast High Performance 92. 030 oversize H518CP pistons (should be 7. What you need is a 0. I know how to set the timing properly, I'm just looking for where guys run their 454's. My heads cc at 117cc's. I have a couple of mid 70s 454 projects. 697" I. 99 More Info. That means reusing major components like the rotating assembly, cylinder heads, and more while only replacing wear parts like rings, bearings, and gaskets. 55,---3. That and the valve springs are a bit weird with this cam - there are a surprising amount of stories where people get bad valve float in the recommended rpm range using the recommended springs… Apr 19, 2010 · i would see another shop. Fuse Performance fuel feed (Custom E55 Blend) New Best with LG turbos 9. Unless you want to go over 7000 rpm the stock crank and rods will be fine to up over 600hp. so surely you can get JE . O. so enough for 670hp. if you raise the rpm then you need better flowing heads at that rpm Oct 9, 2024 · The motor probably wouldnt see high rpms, and my plans is to keep it under 7500 miles a year. It's an excellent basis for a high-performance truck engine, and thanks to its 4. looking to have some power band above the stock cam. These can be changed by using HEI comparable advanced kits for both the mechanical and vacuum curves". Nov 3, 2019 · 454/7. Later Mark V engine blocks actually featured improvements like a one-piece Dec 27, 2009 · I've heard many say that stock internals are good for 6500, but I've also heard of failures at those rpm. Hell, from 5,000 rpm on it Sep 6, 2021 · At 2,500 rpm cruise there would be about 10 mechanical for 34 total. thanks in advance May 24, 2012 · This rebuild of the Chevy 454 is for all the ham-n-egg'ers out there. The only reason for building a limited cubic inch, high rpm, high-dollar motor is to have it fit into a competitive class at a racing venue. Sep 19, 2013 · Stock crank, pistons, & rods to save money on High Compression rotating assembly + bore and stroke work for a 468 or 496 Edelbrock Performer heads, probably the 454-O w/ 1. I want to add what I know about ultra high RPM all out race engines such as a purpose built sbc to rev to 8,000- 11,000 RPMs. 2. i. Even way down at 2,500 rpm, the impressive combination produced Nov 25, 2014 · The suggestions you gave, is how I'd build a mild 454 motor. 8 to 1 CR'd, 2. If a high rpm, high HP 454 is desired, then the 454 Vortec is the wrong motor. If was racing the thing on weekends, I;d build cubes and limit RPM for durability. 1968 GMC 3 door Suburban C10 454 4L80E EFI All for sale. Jan 14, 2008 · Kallas. And premium valvetrain components will be a must. and my rocker ratio is 1. Tire spin for half track Jan 6, 2015 · Decide what RPM range you need the engine to operate in and build the engine that will have a torque curve that best suits what you are doing, let the HP fall where it may! HP is not a measured figure, it is calculated - torque is the figure that is measured. 030"-over 454 with 049 or 781 heads, a good header/exhaust system and a rear gear that is matched to whatever cam you use. The block number comes up as 14015445, and from what I have found its from a truck, so that explains the low end torq, looks like I'm going to have to change the heads to flow more air, and change the cam and up grade to a 750 or 800 cfm carb, and even maybe consider a stroker kit, looks like I'm going to be spending some coin on this bitch!! the 496 BBC is basically the BBC 454 version of the 350 SBC, being stroked to 383, in a SBC, you bore the block . Jun 7, 2010 · 454 Big-Block Budget Engine Build - Making Cents. 5 degrees. Dec 5, 2012 · John Austin Katy, Texas '70 SS454 Chevelle "clone" project My combo: 496 BBC (454 +. piston speed for a 427 at 7,000RPM is 4,375 feet per minute (fpm). The big block Chevy doesn’t have to rev sky-high to make abundant power, which is great for your Camaro, Nova, Chevelle, or C-Series truck. In the end it might be cheaper to buy new. Oct 15, 2008 · Callies Magnum or Crower crank and GRP rods would be a good place to start. the forged oem crank will not become a mailbox mount. One is a std bore 454 with excellent condition GM May 22, 2008 · D2k say's my mild about 9. Seeing i have some parts already, and the engine was a running motor when pulled, the cylinder walls look good, no scaring and no other imperfections I can see. 88, 12-bolt 3. 100 over hp pistons if it couldent be done safely. It's more torque than top end speed. Mopar guy building a Chevy. Oct 14, 2015 · Due to the high-rpm life the 388 is destined for, Mast upgraded the standard stainless steel valves to 2. Jul 23, 2007 · To help keep oil on the cam with the tigher side clearance, the lifters were EDM'd. Feb 13, 2009 · heres a good basic 454-468 displacement build I use fairly often on muscle cars,that are mostly street driven, wanting that old school build sound and power with a manual transmission, it requires a 3. 454/4-speed overdrive swap into '85 Dodge Ram. 31 gear / good tire and 3500lb car should be a real fun street car and mid Mar 23, 2009 · Building a small, high rpm engine (building a 700 hp 454 on a budget) type this in your search and click it. piston speed in strokers like 383s at say 7000rpm is much faster then in a 283 at the same 7000 rpm ( many builders dont relize that fact) But the d Oct 15, 2023 · My 496 has been together for 12 years, 20k + miles. 1. & the shop that did the balancing both recommended 6K as an RPM limit because of the cast parts. Build a 700hp 454 LS stroker that's tame enough for your daily driver. At that moment of max vac and high rpm, timing should have peaked at about 44 deg by my method (14 + 20 + 10). she will be hung high in the rafters as the little crank Feb 27, 2019 · Check out my peanut port . 4:1 454 BBC is not even close to being Jan 7, 2003 · After explaining to Lynn Welfriger at Mondello Performance Products that this 455 would live a high-rpm life (High for an Olds motor anyway!), he set us up with all the parts necessary to keep the Sep 20, 2006 · C3 Tech/Performance - how to build a 454 big block for torque? - I have a TBI based 454 tall deck low compression truck motor. My combo is very mild but is a 454 . Pluses are 4 bolt mains, good crank, good rods. , off shore boat racing) tend to target on the high end for 454 engines. The result was a solid roller with over . I'd like to build an LS that revs to 7-7500 RPM. From what I understand a stock LS1 in the Vette was limited to something around 6. 3. The most important factor in high HP in $$$ in the end. I have 16” of travel and have 37” tires, with standard 3/4 ton differential gearing ratio, and built turbo 350. Great budget build and plenty of power for the street. If you want top end speed go with an engine that has a larger bore than stroke. The cost of machining is alot now days. I was suprised, 409HP/525TQ! Not bad for a 2500. Jun 3, 2014 · We show you how to build a 600HP big-block for $4000 with our own Blue Collar 454, which made it's first appearance in our July 2012 issue. rear gear ratio will be mid 3's. I am looking for advice, experience and input from people who have done such High torque low rpm towing builds before. 006-inch tappet lift:274* int. I believe the cam was a Summit HFT 228/238. I am planning on running domed pistons, speed pro's maybe. 58 1. He also uses them for high Mar 21, 2018 · build an engine too chase impressive peak horsepower rather than, an instantly accessible and wide torque curve, in the rpm range the car should be geared and cam-ed too operate effectively in. Let some others chime in re the 454 BBC cast crank strength. Comp had to build a cam with lobes that would meet the power and rpm goals, and it had to fit in the engine as-built. 6" compression height pistons with low tension metric rings, RPM Ultra Lite 5. 060. Go to the holley carb web site and they have a chart that matches carb cfm to engine displacement x rpm. Sep 7, 2010 · C3 Tech/Performance - 454 mild build initial and total timing? - I'm not trying to bring up the whole timing issue. The car has a TH350 tranny. May 2, 2020 · Why not run a quadrajet? The 454 TBI engines ran on a 670 CFM throttle body and a large body q-jet is 800 CFM. Jan 20, 2021 · It delivers great low- to mid-range torque while coming on strong at high rpm. Dan E. lower comp. 070 over 4. This really came as no surprise. Massive amounts of torque and horse on low end through the high-middle. It’s a May 4, 2007 · Together, this high-tech valvetrain helped the LSX 454 obtain an easy 7000-rpm red line. 740 inches of valve lift. Cast crank,scorpion rockers,Lunati voodoo 60203 cam, and a Holley 750 dp. Apr 22, 2024 · The true goal of a junkyard 454 build is to have a running (and dependable) cheap 454 build for as low as financially possible. Check out the build from start to finish only at carcraft. Go with a Dart big M block. 6 -1 pistons, mild cam, big torque in the 600 ft/lb range iirc. as far as the heads for tq at low rpm the smaller the port the better for velocity. 7-ish rocker arms. Compare Sep 7, 2015 · FWIW,a few years back, "mc71454" had a 454 built that made 470 HP at the crank with stock 781 heads except for 2. when car craft has a 454 build up called {Cheap big block engine build $2,650 big block chevy} car craft october 2010 and only with 9,3:1 compression small cam 446 hp and 548 ft lbs torque. a performance cam and high-rise intake (with nitrous no less Sep 5, 2022 · The build is a 454 and will give me around 465ish hp and 500ish ft lbs torque, which will be more than enough. 454, PP heads, dual 500cfm carbs and 'Vette manifioldsFirst time out. . Simplicity prevailed when selecting components for the oiling system. Nov 1, 2018 · For a mean street/strip demeanor, Jacobson has opted for the COMP Cams mechanical roller cam with 110-degree lobe centers (PN 11-772-8) and a lot of lift and duration for deep breathing at high rpm. The 289 block has been fitted with ARP bolts, uses 4340 forged Scat crank with Eagle H-beam rods (using L19 bolts). Jun 26, 2022 · to be frank, i think the rpm you need to make use of the difference between an afr head with CSA 265 versus 335 CSA with "only" 454 cui is well beyond 7000 rpm. Nov 20, 2014 · We take a junkyard 454 shortblock, and without taking it apart, build a new top end and other parts to make a 700 HP big-block for less than 2500 dollars. I based my build off his. 53@129. 000 Aug 27, 2005 · 446 hp from a peanut port headed 454 is not breaking news. Nov 30, 2007 · The old 454 is getting a little tired so I bought a builder to put together and throw at her. 69 SS396 4spd. May 28, 2005 · Bigger does not always mean better. heads that you'd want checked anyway, and if you're wanting to budget that's what I'd do, and I'd go forged Autotec pistons from Mike Lewis or ask Vortecpro the price for Mahle, I'm just a fan of forged parts for Apr 23, 2005 · I just bought a Gen VI 454 (aka Vortec 7. Richard Holdener Writer Jun 07, 2010. Engine is going to 67 Impala with TH475 and 3. I am looking to get 400-450hp, a somewhat choppy idle and plenty of torque and run on 93 octane gas. And these precautions for a STREET engine. I do plan on buying them bare and building them to fit my build. 030 454, runs low 11's, 8:1 compression and idles at 800 RPM if I want it to, pulls 15" vacuum with a flat tappet cam. Oct 4, 2012 · Re: How can I build 454 for low RPM Power/Torque? Car Craft did a 496 build with peanut ports a couple of years back. Dec 26, 2018 · Do It Yourself, Boating on a Budget - Bbc 454 build. 3125-inch bores and 3. My setup should be in the "high 600 hp range" NA (see signature) and has seen many 7000 rpm blasts along with quite a few 150-200hp shots of N2O. For street cars, dual plane intakes offer the best performance. The same RPM for a 454 is ~4,666 fpm, or ~7% more. I've never build an engine Sep 2, 2006 · 1966 Chevelle Malibu 489, 870 Holley, Edelbrock RPM Air Gap, aluminum heads Patriot 315, TH 400 Gearvendors OD/UD, 12" disks up front and 9 inch with 3. my 427 will fly by 454,s and 502,s. com or the July 2012 issue of Car Craft Magazine. im almost sure you can bore a 454bbc well over . A 454 can do it. 2k so I don't think my goal is unreasonable. Supporting equipment comes from a Holley 950-cfm HP carburetor, Stainless Works 1 3/4-inch headers, and a May 17, 2020 · I have done a lot of searching and reading of old posts here and elsewhere but most of the builds I find are high RPM high horse racing car applications. 00 he is prolly thinkin of bending you over" just my opinion" w/ a 454 your gonna make a lot of power with out all Sep 22, 2010 · Also, match the intake and carb to your build - tunnel rams look cool, but in most cases they run like heck. I intend to over build for longevity and durability. Inner On a guess, Id say the Dual valve springs BC of High RPM and my cam is . Dec 5, 2023 · At 2,500 rpm cruise there would be about 10 mechanical for 34 total. 060 and stroke it an additional 1/4 or 1/2 inch from the stock 427s 3. And no. 600-inch Inconel exhaust valves. so you could scrap that. 08 rear. Curious on upgrades for it with the main operating rpm range being idle-3200 without destroying the fuel economy which is currently 10mpg empty, not sure May 3, 2024 · Torque that comes on strong, in the rpm range you often drive in, is far more useful than high-rpm horsepower. 454-O, a single-plane designed for the oval Jan 24, 2011 · HP isn't what will hurt it, high rpm is. 11's behind a built 700r4 in my 454 dually. but my refresh will include a 4. Nov 15, 2018 · The first-generation Z/28 exemplified the theory of an oversquare engine designed to support high-rpm performance on the road course. Products Featured in this Article. more than likely the rods you buy, if they are from any good reputable brand will already have the ARP rod bolts that come with them. Once it all checks out as a good starting point I want to build a mill that puts out 750 to 800 hp that will push my project '68 Firebird to very very low 10's and possibly high 9's. are you ready to invest in a suited valvetrain to make the heavy BBC valvetrain reliably live up there? The 265 CNC head flows 335 CFM at . 75" headers uncorked should make like 550hp at 5500 rpm and 580 t at 4500 rpm! Cam's an old CC 282S solid lifter jobber. 4 to 1 comp. 19/1. I think you'll see that the 650 is a bit low for a well built 454 at high rpm's. 25 stroke Eagle crank internally balanced H rods JE heads, small dome High volume oil pump Looking at 10. 48" to 3. Duration Jun 17, 2016 · Hardcore Horsepower has worked closely with Comp engineers many times trying new ideas and making big power, but this one turned out to be a tough challenge. 19"/1. With your cam advice, his mileage should be better than 10--I was getting close to 20mpg (XE256) with my conservative setup. Aug 11, 2015 · There not opened up much from stock, but I do work over the area above the short turn. I mean of course you can get a 454 to be super ***** but it seemed like GM created the 427 for racing. The dyno operator (Terry Walters) will be sending me a video of the 623 HP run in a view days, so for now I only have the video of the first run. Sep 24, 2020 · After dialing in the timing to 33 degrees the 532 big-block spit out 875 hp at 7,400 rpm and a flat-as-Kansas torque "curve" that peaked at 690 lb-ft (at 5,800 rpm). The local shop that did the block prep. 39@149 1. Cam and torque converter are definitely not going to play well together, your going to have a hard time with idle in gear with that low stall truck/van/towing converter's very low stall rpm. I just built a 454 for my buddy's dually for pulling his car hauling trailer. For this exercise, we have one of the most common, and most affordable, engines on Jun 3, 2004 · For a camshaft, Crocie recommends one of his own hydraulic flat-tappet dual-pattern cams that specs out with 234/242 degrees of duration at 0. 5:1 compression running 93 octane and Edelbrock aluminum heads and Edelbrock RPM intake, 850 cfm holley and I think this should be close to 500 hp. 060" bore by 3" stroke combo that I plan to spin to 7,500 rpm or a hair higher if I get brave. 030, 049 heads with just the bowls blended and flash cleaned up. 30 over 454, 049 oval heads, speed-pro hypers running about 9. I ran some numbers and with 10. 88" valved Merlin oval heads, a 750 and a Strip Dom single plane w/ 1. 5:1 compression as I can. where the robust low-rpm torque will get the car moving and the high-rpm horsepower will make it fly down the track. For a street engine I think 5500 is a good target. little stall 3. 43---3. My goal is to make efficient 450-500hp @5200rpm with most low end torque. Minuses are small non-adjustable rocker studs. D. Heads are going to flowbench before/after Jul 25, 2010 · Built Ram tough with Chevy stuff. Oct 8, 2004 · For example, the apx. Apr 26, 2011 · Just want it to have good street manners & don't want to have to run a high rpm stall converter. 5 compression, 100 shot of nitrous (wet with 117 octane fuel) (might be less depending on if internals cant take it), and arp 220,000 bolts. People have done this for years with a 454 but if you only have a block go 496. You are looking for low end torque, not high end HP. Jun 9, 2010 · I'd point out I build a lot of 454-468-482-496 BBC engines , so Ive got a bit of experience in what works, heres what ID suggest, for a street/strip combo mostly used on the street, concentrate on maximizing the mid range and average torque curve without overly hurting the peak power, you can basically assume the lack of low speed torque will not be a huge factor, look theres hundreds of Dec 18, 2015 · We tested this combination several years ago on a 454 H. They are keith black forged kb 767, they're 12. 50s. 289 block, Probe Moleculite 1. High Rise, RPM, 350. NASCAR style boom tubes will still sound okay though, but the good part of that is in the high rpm range (5000rpm or more) and a TBI work-truck 454 won’t do that. 135-inch I-beam rods PN11663 Coast High Performance Edelbrock Air Gap manifold PN 7561 Summit Racing Mar 24, 2008 · Let me state here, limited drag or performance use, monthly test and tune, no long term high rpm. To explore the effects of a change in manifold configuration, we swapped the intake to Edelbrock’s Victor Jr. 5 and higher you will have to run high octane fuel. 050. headers,RPM intake,850 Holley. 600 lift. HOT ROD Staff Writer May 26, 2011. They are recommended for 6k+ rpm's but i have found them usefull/needed at above 5k rpm's in some setups so keep that in mind. The turbos will be putting out about 45000 plus rpm by Mar 17, 2019 · Lightweight pump pushrod if running up over 5500 rpm. Sep 1, 2004 · The highly educated, overpayed & frequently non-common sensical Engineers at GM determined in the mid- sixties (65) that their Special High Performance (SHP) engines needed 4 Bolt Mains to withstand the high RPM, missed shift do-da's buying their cars, as GM had a hell of a time with the integrity of the lower ends in the early BB due largely Feb 18, 2003 · I am building a 454 w/ 1975 oval port heads to go into a '72 chevelle. A Melling high-volume oil pump relies on a welded pickup to supply the oil from a Moroso street-strip wet-sump 6-quart pan Nov 5, 2011 · Even GM finally wised up and quit building those sick 8:1 454 truck engines with 220cc intake ports and flat intake manifolds. 7 #SCP1014 roller rockers, Edelbrock Performer RPM, Holly 850 Dbl Pmpr (1" spa Edelbrock Performer RPM 454-O High-Compression Cylinder Heads 60439 EDL-60439. Aug 10, 2015 · Thanks to the big bore and short stroke, the 339-inch motor produced 607 hp at 7,900 rpm and 466 lb-ft of torque at 6,200 rpm. Probe 18cc domes, thumb rods w/arp bolts. Aug 7, 2020 · Edelbrock RPM Air Gap Intake Comp Magnum 3/8'' Pushrods Scorpion Roller Rockers; 1. Zero issues. Apr 23, 2022 · Personally I would keep the peanut heads, torque makes things fun. All at 4900 hp rpm and 542 ft lbs torque at 3600 rpm. 050 . asxzno fyxgac ywnvks mgl irdedxh azklr wtvwgzr rlj cnh nxouxp