the 4 inch stroke / 4. 25" stroke cast crank with 6. It was a 496. 4 Vortec uses a single in-block camshaft to control its overhead valvetrain. Even with Gen V/VI revisions, the 454’s displacement remained constant for decades until GM radically changed the big-block, pushing a production heavy-duty truck engine up to 8. 5:1 compression ratio Forged crank and connecting rods (ARP rod bolts) Holley 950 Ultra XP carb Edelbrock RPM Air Gap intake manifold Scorpion roller rockers; 1 Jun 7, 2010 · We build a 700hp 454 engine for $2,403. 4L/454 Chevy big block Gen VI Superchargers & Turbochargers and get Free Shipping on Orders Over $109 at Summit Racing! 1,500 + HP, Chevy, Big Aug 10, 2013 · Gen VI 454 stroked to 496 - 650HP. The 454 HO features a cast-iron Gen VI-style block (PN 19170538) and rectangular port cylinder heads (PN 12562920) with 118-cc chambers, plus a hydraulic roller lifter camshaft (0. The date code on the back of the block is ( B 23 6 ) The confusion continues with 4 bolt mains, composite 6 bolt timing cover, and a FLAT tappet cam. -lbs. Moroso 20413. 4" in raised cast in letters on the outside of it Aug 30, 2010 · 454 L29 Power Upgrade. GM says the 454 HO is 8. Same heads and cam in the 555 yields amazing power over the 468 and the 505. The 572 makes 7. 4L 454 marine engine. Mark V, Big Block Chevy. 310 bore block and get a 496. 00. Howards Cams, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, 229/235 @ . SC&C Stage 2 Pro Touring suspension front and rear. 4L/454 Chevy big block Gen VI Vortech Superchargers, Centrifugal Style Kits and get Free Shipping on Orders Over $109 at Summit Racing Jan 7, 2014 · I would personally pass on a Gen 6 454 block after having one, or at least use head studs to minimize the stress on the threads. ”. Made over 550rwhp on motor and has a fogger adding over 400hp. are iron rectangle-port heads that are the service-replacement heads for the late-model Gen V and VI 454 engines. 250” x 4. [FONT=&quot]“A society that puts equality before freedom will get neither. 165 psi. Apr 11, 2022 · HOW TO MAKE CHEAP, JUNKYARD BBC 454 POWER. The Mk IV block uses a cam thrust button. 050, . 621 inch, and some racers try to use common 5/8-inch (. The one with the plastic cover is the 7. Call 252-504-3355 (Ask for Jim or Sam) for latest shipping and costs. The pistons will not work with L29 Vortec heads. Pace Performance offers the best pricing on products offered by Chevrolet Performance Parts. 2023 Camaro ZL1 - Black - A10 10 Speed Automatic. We Specialize In: photo gallery Gen VI Big Block Chevy Engine Specs. 18 posts · Joined 2016. My dad is running a stock 4 bolt block in his outlaw 8. Installers & Resellers. 0 out of 5 stars ( 2 ) Apr 14, 2011 · BillK. Tom. 88 I think. A Holley 130 with the correct regulator will work. 4L 454 cid Marine MPI Engine. Mar 8, 2009 · Yes. 050; . you cannot bore a 4. 414 hp. THE COMBOS INCLUDE A TURBO 8. the bearings need freshening at least every second season, but it has been together with various top-ends, since 96. And the big visual is a Gen V does not have a provision for a mechanical fuel pump. HOW TO MAKE A 500+ HP BIG-BLOCK CHEVY POWER COMBOS WITH PEANUT PORT HEADS. 039-inch Fel-Pro gaskets were used to keep the combustion pressure in and the water out of the chambers. Jul 18, 2014 · 600 horse easy recipe is any of several Aluminum heads $2000-2400 easy, premium 4. The one with the flat plenum (it is the same manifold as the 502 Mag) is the 454 Mag mpi. 483 lift 224 duration, L29 heads, and headers. 8:1/T56/3. This pan will not fit Chevelle, Camaro, Nova, Impala. The 20413 is 8" deep and 6 QT. 3973 posts · Joined 1998. #28 · Apr 13, 2012. Running great for years. This is a completely remanufactured 7. com. gov. Online Price. Engine Specs for the Chevy 454 V8 such as horsepower and firing order. Feb 8, 2022 · For 6-10k. Including 14097002 - Big Block Chevy 454HO Valve Spring- Used On GM's Iron Headed Gen. Exhaust port exits are raised 3/4 inch and feature a distinctive vane, giving rise to the popular nickname of the “W” port head. FLTA002 Successful Launch on 10/01/2022! We don’t just want your business today. Anyway, it's a regular 330 Hp motor with cast crank and pistons. Intake Manifold, Victor Jr. Crate Engines, GM 489 Stroker 565 HP Stage 2 Long Block, 8. Information and engine specs for the Chevrolet 454 V8 Engine. O. 75:1 compression with open chamber heads, the Edelbrock heads will bump that about one point - roughly 9. Remove the main caps for installation by your machine shop on a 2 bolt 454. Apr 11, 2012 · 6448 posts · Joined 1998. Web site says it has more crossmember and steering linkage clearance. compare specs on pace performance website. 4L/454 Chevy big block Gen VI Camshaft Kits and get Free Shipping on Orders Over $109 at Summit Racing! Save up to 10% on the Powersports Parts you Need! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Find CHEVROLET 7. (203) 235-1200. Torque Specs. 250 stroker rotating assembly also over $2000 (for 496 cubes), factory block prepped $500 easy, roller cam set $600 and up, several hundred more for odds and ends. 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. The difference is 0. $5,102. Those are really popular here. Over the years, I've had this done to 3 BBs. 5 compression BIG solid roller cam over 700 lift and 260 Dur @. Part Number: EDL-2078. be aware there are internally and externally balanced kits. Look closely at the dyno reports, and notice the difference in torque and hp throughout the rpm range. 540-inch exhaust, 211/230-degree duration at . The Vortec 454 engine had 7,439 cubic centimeters, or 454 cubic inches, of displacement, giving it the 454 or 7400 name. from 454 cid Nov 1, 2002 · The heads used on the 454 H. 67 out of 5 stars Apr 13, 2022 · check out this video where i demonstrated three different methods of exceeding 600 hp with a big block chevy. Not Yet Reviewed. rear main seal, roller camshaft, and #297 block casting number. Each kit is custom assembled using parts based on your engine’s requirements. Edelbrock Total Power Package 676 HP Big Block Chevy Top-End Engine Kits 2078. Last edited by derekderek; 11-30-2022 at 12:19 PM. PART # P4148M 7. Re: build sheet for 468 or 496 bbc that works. The 454 engine is also known as the Mark IV or Mark IV Rat Motor. The 454 maintained the 427's 4. Ididit column with Power steering. 13484 posts · Joined 2009. 95 millimeters), and the stroke is four inches (101. Heads are 3964291 (1971 crate 427 head), 106. well worth a few hundred extra dollars spent. HP 3,000-5,600 rpm. 795 posts · Joined 2010. All engines can be custom painted to Views: The following specs apply to: Gen IV, Big Block Chevy. motortrend. Jul 22, 2007 · 383 posts · Joined 2006. Top End Engine Kit, Power Package, Intake, Heads, Cam, Timing Chain, Head Bolts, BB Chevy, 676 HP-649 TQ, Kit. They are the foundation for GM's 454/425 hp crate engines. Main Cap Bolt (396-454, 4-Bolt, Inner and Outer) Dec 10, 2004 · 509. This MABBCO® Marine Master Engine Kit is for a GM Chevy 454 7. Wilwood 6 piston, 13 inch power brakes. *69 SS 502 EFI /224-228* HR/9. www. The cylinder bore is 4. But seeing that the peak hp comes in at 4400 rpm on the 502 with a much stouter 515 lb/ft torque at only 2800 rpm compared to the 4000 rpm on the 454 is only 290 hp and peak torque of 410 ft/lb @ 3200 rpm. 1L MAKE? DOES AN 8. Jun 14, 2006 · The 502 uses this cam as well. 1. #5 · Jun 3, 2013. Boost pressure should be around 1 bar for my power goals or maybe even less. 1L, AN ALL-MOTOR 496 WITH STOCK, REC-PORT, IRON HEADS AND A GEN 6 454 EQUIPPED WITH HCI AND A 6-71 BLOWER (AT DIFFERENT BOOST LEVELS). 6 millimeters). It’s an old school pushrod V8, but the factory camshaft is severely neutered. (866) 358-2277. 1L MAKE MORE LOW-SPEED TORQUE Dec 15, 2010 · The gen 6 timing chain set uses a retainer plate to keep the cam from walking forward. Mar 28, 2022 · HOW MUCH POWER DOES A CHEAP, LOW-BUCK, JUNKYARD 454 MAKE? HOW MUCH POWER DOES A CHEAP, LOW-BUCK, JUNKYARD 8. So GM feels the cam is worth making some decent truck power. 676” lift / 106 LSA) L2465-F Pistons, deck clearance between . In the battle of generations, the Gen 5 and Gen 6 454 engines each bring their own strengths to the table. Stroke is good up to 4". 4L 454 cid Big Block V8 Marine Engines. It seems a certainty that Chevy guys would rather eat dirt than drive a Ford, but not all Chevy guys agree about their choice of powerplant. TC Member # 4431. My engine was originally a 330HP carb GenV and it had 4 bolt mains. Kelly, I have all the specs for one I did about a year ago. lil more lift and duration. 030 over and stroked a 1/4 of an inch. 10. 022 thick, 4. The idea is to build bullet proof bottom at stock spec,i. When the 454 cubic inch engine appeared in the Chevrolet catalog in 1970, it was intended to rule the streets by building on the same Mark IV design architecture that had defined the 427 cubic in V8 that preceded it. 0 +. In keeping with the engine’s goals, Hardcore chose a hydraulic flat-tappet camshaft from Comp Cams. Big block Chevy 454 with 550 Hp performance aluminum head engine combination can be custom designed to tailor to your specific needs. 050 inch). Not trying to controdict anyone but I believe the NON Mag EFI engine has large oval L-29 heads. Using the stock heads with a more aggressive cam and Nov 20, 2014 · The budget 454 not only managed to exceed 500 hp, but did so in spectacular fashion with peak numbers of 565 hp at 5,900 rpm and 532 lb-ft of torque at 5,400 rpm. Jun 3, 2013 · ordinary builder. 454 Big Block Chevy Turn-Key Crate Engine With 550 HP. 454 / 390 HP @ 4800 RPM 70 Vette. Part Number: HRS-91167 3. . Valve sizes are 2. Moroso 20411. 19 Engine. The stock diameter is . 10 sec. 454-R, Single Plane, Rectangular Port, Aluminum, Square Bore, Standard Deck, Chevy, Big Block, Each Part Number: EDL-2902 4. 73 scorpion rockers. Jul 17, 2013 · 1971 style closed chamber 13. Fastener Type. 2 comp peanut port 454 on the dyno today with a 228 @. If the average guy would read and heed what George has done, he would probably run a lot better and have more money in his pocket. It was Chevrolet’s second big block production motor following the Mark I W-series from the late 50’s to mid-60’s. My 496 build was right around the 10-12k. (These are SAE J1349 "net" power ratings, a more conservative test standard than SAE J607 Cylinder Head, Marine-Duty Performer RPM 454, Assembled, Aluminum, Black Anodized, 118cc Chamber, 315cc Intake Runner, Chevy, Big Block, Each Part Number: EDL-61555 5. Aug 24, 2022 · Engines a gen 6 454 Brodix bb2 plus heads, CSU 750 blow through carb victor sr intake up and forward header’s msd 6btm ignition, electronic boost controller, borg s475 turbo, two 60mm wastegates one for each bank was my idea. #1 · Apr 14, 2016. 8 of an inch/ounce external weight. 050 flattappet hyd, with a performer RPM intake, was just over 500 HP @ 5600 RPM. quick rundown on my motor gen 6 454 block manley crank 4. The heads feature a 118cc combustion chamber, 2. I just purchased the Edelbrock Performer RPM 60459 heads, an 800-cfm carb, and an Air-Gap manifold. #5 · Nov 17, 2013. Beth is correct,you have a Gen 6. We did the low budget 454 many years ago and for about $1000, including the engine, had our son's '69 Chevelle going 13. mine: stock cast 454 crank, stock 3/8" rods w/arp bolts, liteweight hyper pistons, I spin it to 62-6300rpm ALOT with a stickshift. So I have a mild Gen 6 roller 454, 9:1 CR, . Apr 4, 2022 · HOW MUCH POWER DOES A GEN 5 TBI 454 MAKE? HOW MUCH POWER DOES A GEN 6 454 MAKE? HOW MUCH POWER DOES A GEN 7 8. 4L/454 Chevy big block Gen VI Pistons Forged aluminum Piston Material and get Free Shipping on Orders Over $109 at Summit Racing! Save up to 10% on the Powersports Parts you Need! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Find CHEVROLET 7. Gen VI . 6:1 (with 110cc Heads) Oct 30, 2019 · To prep the Hunk-o-Junk big-block for turbo use, we decided to pull the Gen 6 motor apart and add some much-needed ring gap. Dec 14, 2021 · They can also be identified by a six-bolt aluminum timing chain cover compared to 10 bolts on older big blocks. This represents less than 2 percent. 0L/489, Assembled, Intake Manifold, Aluminum Heads, Chevrolet, 7. WARNING: Cancer and Reproductive Harm - www. I have now disassembled the entire engine (except the crank and pistons) to check that everything looks good, remove all the dirt and grease and to prepare it for a rebuild. 20' inch rear, 18 inch front Billet Specialties. it was 8. Jan 28, 2004 · 396 / 360 HP @ 5600 RPM 66-67 Chevelle. Click Here to Apply. Each cylinder had a 107. #3 · May 10, 2015. Any good machine shop can fit and line hone these caps to fit any 2 bolt 396-427-454. 1968 Chevelle - 3795# with driver. 6:1 comp and 385 hp. P65Warnings. as well as studs all round. 4L/454 Chevy big block Gen VI Starters and get Free Shipping on Orders Over $109 at Summit Racing! Starter, Protorque Maximum, Mini, 3. Hello! A few weeks ago I bought a very low milage 454 Gen. On a big-block V8 camshaft upgrades are extremely popular — and fruitful. 16@118mph 461 BBC 8:1 compression with junk Quality Remanufactured GM 7. We started with Comp's popular XE268 grind, a powerful street performance camshaft we have 454 HO (PN 12568774): 425 hp at 5,250 rpm. Aug 21, 2020 · My 89 454 had on on it and I just left if as I never had any trouble. 385 rods. 4L Remanufactured Marine Engine. 11. 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. 4L GM Remanufactured Marine Engines. It will however fit most 2and 4WD pickup trucks and 63'-82' Corvettes without power steering. After installation of the 6-71 supercharger, the peak numbers jumped to 587 hp and 564 lb-ft of torque at a peak boost reading of Apr 20, 2015 · Aaron. Firing Order: 18436572. 427 / 390 HP @ 5200 RPM 69 Vette. 4L Gen V, 8. 25 stroke manley rods cp bullet 24cc dome piston. 25 bore felpro gasket , arp head bolts. These truck engines were ALL 4bolt main. 110 lobe sep. Sep 1, 2004 · These engines are BIG truck only (Coke truck, dump truck, school bus, etc). VI Engine Generation 6 $4,000. 25". x2 on the Carter. 4 mpi. The 7. 11349 posts · Joined 1998. but you can put a 4. 55,---3. Milton Friedman [/FONT] May 9, 2015 · mr 4 speed. approx 10. 10@118mph 9-30-22. the 454 produced 510 hp at 5,800 rpm and 488 lb-ft of torque at Sep 15, 2021 · The Biggest Chevy Muscle Car Motor. Apr 11, 2022 Chad Reynolds 1320 Engine Tech, 1320 Tech Story, Apex Engine Tech, Apex Tech Stories, ENGINE, ENGINES, TECH, Tech Stories, Videos, XL Engine Tech, XL Tech Stories Comments Off on HOW TO MAKE CHEAP, JUNKYARD BBC 454 Jun 3, 2014 · Our Blue Collar 454 first appeared in the July '12 issue and consisted of a stock-bore block and rotating assembly from a late-'70s Suburban and a pair of 049-casting oval-port cylinder heads Find CHEVROLET 7. Nov 16, 2011 · A cheap upgrade for the cam is a ZZ502 take out or from Summit and if you find some 454 HO heads you could basically clone one pretty low buck. The Gen 5 engine boasts a legacy of performance, reliability, and a well-established aftermarket support system. 4L/454 Chevy big block Gen VI Top End Kits and get Free Shipping on Orders Over $109 at Summit Racing! Free Mount & Balance for Many Wheel & Tire Packages - Contact us for Details! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Jan 21, 2018 · 1969 Code X66 SS396 - RS Conversion - Holley Terminator TB w/ HP ECU EFI - TKO600 - 3. Estimated Price $14,895. just a series of blank guages (no needles) Lifters, Street Series, Hydraulic Roller, Street Series, Vertical Bar, Chevy, Big Block, Set of 16. It made 680 hp @ 5800 rpm and 652 lbft @ 4900 Would have probably gone over 700hp if we wanted to twist it a little higher. 5 out of 5 stars ( 6 ) Aug 1, 2021 · GM V8 Tuning - Engine, Gas (Gen 3) 1999 454 gen6. 002 and . you may want to consider the ZZ502 aka ZZ454 cam. Machined GM production heads. Right about 10. 466. 75:1. A Gen V timing cover looks like the old Mark IV except where it seals to the pan. 250 crank into a 4. in the configuration from them. 000” Compression Ratio: 9. Estimated Ship Date: Jun 25, 2024 if ordered today. You could check with other brands of mechanical fuel pumps too. 7. The current “bad-boy” Bowtie race head is PN 12363425 (casting number 14044861), a bare head with 380-cc intakes and valve seats for 2. 619 to . 95-mm bore and a 101. 1cc dome pistons. Your pressure is fine but when towing it might be lower as the oil gets hotter. the 454 HO is a nice cam but idles like a passenger car. no IAT, no crank position, no rpm on cranking, no injector times etc etc. #2 · Apr 14, 2011. Jul 1, 2015 · Loyal readers ofSuper Chevywill immediately recognize this 454 (aka BBC Big Hero VI) as the very same engine we plucked from a wrecking yard and plopped on the dyno. 5 lb-ft. You arent getting 1000hp boosted. In Part 1, we stripped the Gen Mar 1, 2011 · Michael Rasmussen; Massaprqua, NY: I have a 454 big-block from a Chevy truck in my Chevelle. A Holley 110 probably will work. This engine comes equipped with a 6 quart truck style oil pan. 25-inches (107. May 18, 2023 · Conclusion. Apr 1, 2004 · Westech Performance Group modifies a GM Performance Parts 502-cid sixth generation big block V8 crate engine in Part 1 of a 502 Chevy Big Block Buildup, at Sport Truck Magazine. 050-inch lift on Apr 14, 2016 · Lidstrom Discussion starter. Most big-block Chevys used in racing cars are mounted with a 1/4-inch-thick mid-plate between the engine block and the transmission, and require longer-than- stock bellhousing dowel pins. A society that puts freedom before equality will get a high degree of both. B. 4 mph. Dougs Headers, 3 inch all the way. It was an eight-cylinder engine with a multi-port fuel injector, and each cylinder had two valves that were operated by hydraulic roller cams. different blocks. #9 · Mar 30, 2015. Find CHEVROLET 7. •7. It features 244 degrees of duration at . The latest Generation 4-Bolt Main Block from Chevrolet has designed the water jackets to accpet both old style Mark 4 cylinder heades as well as the GEN 6 heads from GM. e. •Gen VI with 1pc. Nov 1, 2006 · This all-new engine is filled with a forged 4340 steel crank with 4. Nov 17, 2013 · timvantol. 375-inch stroke, shot-peened, forged 4340 H-beam rods, and forged-aluminum pistons with full-floating wristpins. 65@125mph 406 with home ported Dart 215 heads. roller (237/241 @. works with those dog bones and spider. VI 454/425 & 502/450 HP Crate Engines- Single Replacement. 6. Compression: N/A. 625-inch) dowels. Bore: 4. 4L/454 Chevy big block Gen VI Fuel Pumps and get Free Shipping on Orders Over $109 at Summit Racing! Save Up to 10% on Select Holley Family of Brands Products - Shop Now! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Find CHEVROLET 7. This engine is commonly know as a "Vortec" or "Gen VI" and is identifiable by it's 1pc. Dual springs with damper,height are set 1. On the other hand, the Gen 6 engine offers advanced technology, higher horsepower, improved fuel efficiency, and 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. 73 Posi - Paint Code 71 - LeMans Blue. 6-mm stroke. 400+ HP and 450+ TQ will move that big body. 005; 10. When we pulled this engine from the torched motorhome, It had TBI on it. 1L MAKE? HOW CAN I BUILD AN EASY, CHEAP 400-HP Aug 4, 2020 · 454 4-bolt main block with main studs AFR 290cc heads Comp custom hyd. Feb 15, 2010 · The casting numbers indicate 96+ 454 vortec 7400 L-29 Generation VI #10237297. As i know diddly about bbc specifics, due to me prefering sbc, i need serious help and fast. Specifications: Displacement: 454 CID Bore x Stroke: 4. 25 inch bore, but it increased the stroke to 4 inches, and it Jan 17, 2022 · The pistons used on the 454 HO short block are a small closed chamber dome (13. Oct 15, 2013 · gen6 454 stock specs needed! Ok, i have a 454 from a 97 k2500. Like. I want to up the power a bit, but do not know which way to go: either a head swap to aluminum ovals or a small roots supercharger like a 174/177. 402 / 350 HP @ 5600 RPM 70 Chevelle. o SOLD 8/2016 my beloved 1970 Elky 496. 19/1. Vortec 062's 406 w/hyd. 5 to 1. building a 489 vs a stock 454 has at least about a 40 hp/40 ft lbs at almost all rpm level advantage. 90/ 4000lbs RW 11. •Aluminum valve covers (not included) •Standard Rotation. Dec 7, 2018 · Jeff Smith: There appears to be a very slight difference between the forged steel cranks used in Chevrolet Performance’s Gen VI ZZ454 and 502HO engines and the cast crankshafts used in regular production replacement 454 Gen V and VI engines. #10 · Apr 23, 2015. *Shown with optional upgrades. Jan 11, 2009 · Its a BBC 454 gen 6 marine motor with the following specs if it was a Mercruiser 454 Mag. 251. Gen 6 is always roller cam and roller lifters. 4L/454 Chevy big block Gen VI Parts and Accessories and get Free Shipping on Orders Over $109 at Summit Racing! HP Tuner, MPVI3, Pro Feature Set Jun 10, 2021 · The 454 uses a cast-iron engine block and aluminum cylinder heads and used this construction throughout its entire production run. Idle Vacuum. 250 bore block gen 6 will say "7. 5 cc chambers set up for a 427/435 stock eliminator, class. 0L Gen V, Each Part Number: HPE-HP411PM Not Yet Reviewed The Chevrolet Performance 454 HO short block is a great starting point to build a strong 454 engine for your Hot Rod. 43---3. 15. cam and stock rocker arms. 1 HP, 5 Oct 21, 2009 · These are shown for 55-57 Chevy chassis. 589/. 250" block to the 502 boresize of a 4. Stroke is good up to 4. 4L/454 Chevy big block Gen VI Fuel Injectors and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get up to 10% back - Get Details! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Nov 30, 2022 · NOT 427-396 which are neutral balance. Cranking Compression. The original Find CHEVROLET 7. Main Cap Bolt (396-427, 2-Bolt) 95 ft. (Above only rated at 360 HP in 70 Chevelle) Even with a lot of additional cam, you could only raise the RPM {and peak HP}by a limited amount. L-29 461 BBC 11. Jun 20, 2022 · Id at least look into the cost and use of a one piece rear seal 4. Minor changes to accommodate a one-piece rear main seal and hydraulic roller lifters occurred with the advent of the Gen V and later the Gen VI engines in the 1990s. rear main seal. Firefly Aerospace, Vandenberg AFB, SLC-2W. From the factory, Chevy retards the camshaft timing by 6°. VI L29 Vortec engine with hydraulic roller. Jan 18, 2014 · Cylinder Heads (56) Valve Covers (54) Carbureted Intake Manifolds (51) Camshaft and Lifter Kits (48) Brake Pads (44) Headers (44) Rocker Arms (44) Editor’s Note: This series counts down the Top 10 engines of all time— see how the voting was done by reading our initial post. ). 5 64 Chevelle. 0 LSX with TSP 224R cam swap. . I had a 9. ca. 00 Price Sep 11, 2009 · I have a gen VI 454 sitting around and was contemplating stroking it to a 489. Mar 30, 2015 · 6499 posts · Joined 2007. forged internals and best bearings for app. It has all indications of a roller May 4, 2023 · Firing Order: 1-8-4-3-6-5-7-2 Engine Weight: ~685 lbs Max Horsepower: 450 hp @ 5600 rpm Max Torque: 500 lb-ft @ 3400 rpm. All the Holleys above the 130 will work, just run the correct line, filters, and regulators. 6s 102. 50 on a 112 centerline, isky red zone solid lifters AFR 305 heads Steelcomp Oct 24, 2019 · A 1973 truck 454 was typically factory-rated 240 hp at 4,000 rpm and 355 lb-ft of torque at 2,800 rpm. •1998 & up applications. 601, 112 LS Chevrolet BB Gen 6 454-502 1996-1999 Advertised Duration: 282/288 Jun 18, 2023 · 3) Camshaft Upgrade. Results 1 to 1 of 1. I think that's the resulting displacement when bored 0. Sump length is 8-3/4" and width is 10-1/2". 25 / 4. 250/1. 671” / . This wider bore makes the 555 a very efficient engine. 236/360 heads flow about 20 CFM less than a 390 head both being stock. 20805 posts · Joined 1999. 335cc Darts heads stage 2 porting. It has a 1 piece rear main seal. When you’re ready to slide a Big-Block into your classic, give us a call at (203) 235-1200! We have all the parts needed to put one into your ride. You can check it out on our website too, SS396. 880 inches. 4 454 Gen. 7 inches Hg. We want to EARN your business for LIFE! USA. Web site says it fits 70 chevelle. 5/124mph -with a "top fuel" timing curve - sold [NEWBIE ALERT] gen 6 454 with 0411 ECU the editor software pulls up the tune file no probs all data present and the VIN shows up, scanner reads and checks for MIL's and nothing is present, but i got nada on the guage page. S475 Turbo. Additionally, the bore and stroke remained the same throughout the entire production run as well. 510-inch intake/0. Gen 6: Standard LH The 555 engine gains a huge jump in hp and torque over the 468 and the 505 due to fact it has a wider bore. '67 Chevrolet Biscayne- SS427 L-36/TH400, '67 Hell Camino-BB 427/TH400 , '66 300 Deluxe 2 door-230/PG. I'm guessing it makes anywhere from 380 to 425 hp. Apr 24, 2023 · 454 Big-Block Budget Engine Build - Making Cents. IE: MPI Oct 18, 2016 · Blown big-blocks rule! Equipped with aluminum (oval-port) heads and a dual-plane intake from Speedmaster, along with a COMP Xtreme Energy cam, the low-compression, Gen VI 454 produced 469 hp and 508 lb-ft of torque. I was looking at some of the stroker kits on Ebay and various other internet sources (Jeggs, Summit, etc. Max Brake Horsepower: 235 @ 4000 rpm 270 @ 4400 rpm (Corvette) Max Torque: 395 @ 2800rpm 380 @ 2800 rpm (Corvette) Stroke: 4. #14 · Jul 23, 2007. 8cc) and not flat-top as advertised. Avg. 88-inch valves. 4 motor, model years 1996 through 2000. Jun 7, 2013 · The heads were torqued down with a set of ARP six-point HP series head bolts, and . vh lz yt ox xr vl jw yt gg bv