Chevy 454 ls7 specs The Chevrolet 454 engine, also known as the big block engine, was one of the most popular high-performance engines of the muscle car era. Jan 18, 2018 · When I was looking around trying to decide if I wanted to use these heads and cam that were "free", I couldn't find much real world experience of LS7 heads on a 6. Engine. FIND Search Listings 750,851 Follow Markets 9,130 Explore Makes 651 Auctions 1,155 Dealers 337 Jul 6, 2000 · I have a 454 LS7 that was purchase back in 1988 from GM for $3800. O. 125 inches, while the stroke reached 4 inches. 050" == 192° Camshaft Exhaust duration @ . Square: 2006-15: C6 Z06, Camaro Z28: 454 swap to LS motor in a 1994 Chevy dulley c3500 cab in a half long bed. C6 Corvette Z06 (LS7) Specs. 510-inch intake/0. Aug 27, 2012 · Production Chevrolet designed the LS7 454 beginning in 1970, but it was never placed in any vehicles that were sold to the public. *Our primary focus in this article is the original 454 big block engine from 1970-1976. It was introduced in 1970 and came in three variants: the LS5 (an RPO code you won’t find in the modern LS family), the LS6, and the LS7. Let’s delve into the specifications of this remarkable engine. Golen Engine specializes in Chevy LS complete engines known for power and performance. 60 Big Pistons for CHEVY LS7 454. Oct 22, 2014 · But, note, I don't think the 454 big block is an LS7. Oct 6, 2012 · RPO LS7 454 BBC Forged Aluminum GM TRW pistons #3963551 Big Block Chevy STD Bore High Performance Piston This 454 . Dec 15, 2007 · I worked in the parts department of a local chevy dealer in the 70's. The LSX454 is filled with an all-forged, super-tough Nov 28, 2022 · Cast or stamped numbers are used to help identify each Chevrolet Big Block engine. With the base 350 cid V8 engine and optional 396 cid big block having been offered in earlier models, the 1970 Chevelle SS benefitted from a change in GM corporate policy that would now allow the Divisions to install engines larger than 400 cid in their Crate Engines, 7. Oct 3, 2019 · LS7: LS7 Upgrade Guide: LS7 Engine Specs: 58X: E: Alum. Introduced in 1970, the 454 engine was available in several different variations, including the LS4, LS5, LS6, and LS7. Carb is restored to original factory color and replated steel components. Here are the key details: Engine Oil Capacity: The engine requires approximately 5 quarts of oil for a complete oil change. Model designations like Super Sport, RS, and Z28 represented the ultimate in trim and performance. " Can't vouch for Aug 27, 2012 · Brutal Legend: The LSx 454 – Part Number 19244611. It is unique because it was based on the C5-R Le Mans Corvette racing engine. An LSX with Big-Block Power! Free Shipping! With the LSX Bowtie block, Chevrolet has built a 21st century 454 with the latest technology. It was purchased from Grody in West Hartford it was late in the first Gen BB series because the dealer had an LS7 in the warehouse. We called them 7's. Jan 18, 2018 · Find all the key LS7 engine specs in one place! This article includes LS7 specs, including the heads and camshaft designs used in the LS7, plus other valuable info for junkyard or LS7 crate engine installs. Only truth is that it's a short deck block. At Master of Machines, we love cars, May 24, 2022 · LS7 Engine Specs. Because of the crank snout and other components, the LS7’s dry sump cannot be easily added to factory LS wet sump engines. Had corvette oil pan. This is for an 1970s style LS7 454 CRATE MOTOR PURCHASED in 1986. 4L/454 Chevy big block Mark IV Pushrods, Valvetrain and get Free Shipping on Orders Over $109 at Summit Racing! Jun 7, 2007 · The beuaty of the 427 on the street is it is faster reving eng. I believe the RPO NA9 Evaporative Emission Controls is what would be considered the Calif. 0-to-1 pistons • Steel connecting rods • Forged 4340 Steel crankshaft • Aluminum (production) LS7 cylinder heads • Corvette Z06 LS7 intake manifold Jul 11, 2010 · What an incredible LS6 you have Mr 4 Speed!!! The color is perfect! Got the block back from the machine shop, No ridge line at the top of the deck, bore is . The LS7 is a 7,011 cc (7. Explore the Chevrolet Corvette C3 Stingray Coupe 1970 454 V8 Turbo-Jet 390HP 4-speed 1969, 1970 detailed specs, including 0-60 mph times, horsepower, and handling data. Several LS-7 intake manifolds were individually produced and sold to the general public by a few Chevrolet Jan 13, 2024 · 1970 Chevy 454 Engine Specs. bolts for pressed pins, 3963552, forged high dome pistons, racing mechanical camshaft 3959180 (same as ZL-1), open chamber cast iron heads 6260482, balancer 3963530, standard flywheel An even more powerful version, producing 465 hp (347 kW) and 610 lb⋅ft (827 N⋅m), of the 454, then dubbed LS-7 (not to be confused with the modern, mid 2000s, 7-litre Chevrolet Corvette engine that powered the C6 Z06, which is an LS7). Dec 22, 2008 · Engine Mods - LS7 454 Camshaft Help! - I purchased this camshaft from the original owner. Searching has been fruitless. Part # 3965774. com. GM Chevrolet LS6 Restored 1971 Holley 4bbl carburetor. Horsepower. chevroletperformance. Apr 12, 2005 · I have one of those crate engines in my basement. We also carry a 440ci LS7 edition that delivers the same jaw dropping 700 horsepower. The heads in this auction are BRAN NEW and have never had valves installed. 500 3 days ago · With a carburetor and high-flow Chevrolet Performance intake manifold (sold separately), these engines are good for about 627 hp and 586 lbs. 7. 19417357 Chevrolet Performance LSX454 Replaces 19332316, 19355573 627 HP LSX454, An LSX with Big-Block Power! 627 HP. Feb 16, 2023 · Mid 70s 454 LS-7 bought in the original crate a few years back. 050 IO 62° BTDC, IC 105° ABDC (@ . Its engine is a naturally aspirated petrol, 7. This engine was the successor to t Mar 30, 2010 · C3 General - 1970 LS7 454 Corvette - Im looking for any information, pictures, or articles from any test vehicles or brochure information from back in 1970 regarding the LS7 454 (465HP) that was listed as an option early on but never built. 594 vrs . 125” x 4. 398" Camshaft lift - Exhaust = 0. D. (parts was a boring job)The catalog was seperate from our group number book,some of the high performance parts were only listed in it. Layout: Front-engine, rear-wheel drive. for the italian immatricolation i need the original block but if i can demostrate that my block (14015445 xch) is an engine replacement for the corvette i Sep 21, 2017 · In fact, there have already been LS engines—the original Chevy 454, for example. LS6, and the track-only LS7. 0L LS7, Each. A Corvette with the LS7 engine was test driven by a writer for the magazine Sports Car Graphic, who reported that the car could complete the quarter-mile in 13. Chevrolet developed three 454-cubic-inch engines for the 1970 model year: the LS5, the LS6 and the LS7, though the last one was not produced for the public in any vehicles. Jan 28, 2021 · The LS7 was perhaps best known for the phenomenal amount of power that it produced. List # 4802 for 1971 454 Chevrolet Camaro CHevelle LS6 and LS7. 0L LS engine to talk about here—the fire-breathing LS7. emissions package. 25:1 Horsepower = 345 @ 4400 TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS. Please check the Chevrolet Performance Parts catalog or Chevrolet Performance Parts web site for specific part numbers at www. The 1970 Chevy 454 engine is a legendary powerhouse that has left a lasting impression on the automotive industry. The 454 LS7 block and pistons Dec 7, 2000 · The 1970 LS6 454 Chevelle is 450 Hp. Pontiac 455. Jul 6, 2011 · 1) All 70-74 Corvette 454 cid engines were two bolt main configuration EXCEPT 1971 LS-6; 2) Most, if not all, 70-72 Corvette 454 cid engines used a forged steel crankshaft. Gary Anderson Jan 19, 2011 · 1970 LS7 454 Chevy Big Block Engine LONG BLOCK 12. I make a copy of the GM Performance Parts Catalog I ordered it from. the internals -- and, following a tip from another source, I have just found some of them in the March 1970 issue of Chevrolet Service News which is dedicated to "1970 Corvette Features". Engine: Chevrolet 454 cubic inch (7. of torque. Unique high-flow, CNC-ported, square port, cylinder heads and intake manifold; Titanium intake valves Oct 17, 2014 · In 1972, I could call Richardson Chevrolet in Houston and have a LS-6 or LS-7 long block delivered for under $1000. LS7 Long Block, Assembled, Internal Balance, Aluminum Block and Cylinder Heads, Chevrolet, 7. It was intended for only Chevrolet’s high-performance vehicles, including the Chevelle and Corvette, and there were rumors the engines’ horsepower output was actually under-reported by Aug 4, 2015 · General Motors offered a 1971 Corvette LS6, but never installed the successor LS7 454 in Chevelles or Corvettes. That engine never got built. at 0. The 1972 Chevy 454 engine is a powerful and iconic V8 engine that was widely used in various Chevrolet vehicles during the 1970s. Explore the Chevrolet Corvette C3 Stingray Coupe 1970 454 V8 Turbo-Jet 460HP 4-speed close 1969, 1970 detailed specs, including 0-60 mph times, horsepower, and handling data. 75 kW) and 612 lbf⋅ft (829. 00” 4. Known for its impressive performance and reliability, the 454 engine has become a favorite among car enthusiasts and collectors. There is talk that the 1971 version lost 6. These engines were used in trucks from 1975 until 1996. Transmission: 4-speed manual or 3-speed automatics. motortrend. The LS7 did not show up till pretty late in the availability of the early crate LS6 motors. 050" = 203° Camshaft lift - Intake == 0. Chevrolet LS7 Small Block V-8: A Complete History Of An Iconic Engine Jul 11, 2010 · C3 General - help to get info about my BB 14015445 - Hi, i have a 70 454 with this block: 14015445 (1982) and the suffix cod xch. 6% horsepower and gained 15% torque, but we couldn’t find any corroborating Aug 14, 2014 · Many aftermarket heads, such as this Edelbrock Performer RPM 454-R, are rectangular port aluminum with open combustion chambers, similar to the fabled LS6/LS7 production heads. 30 over and will be perfect with a powerhoan, rods cleaned, pistons cleaned, block cleaned and magged, no sleeves no welding no repairs. It needs pistons. 73 Wavetrac rear 1967 Sedan - 406 - Powerglide - Moser 3. The LS7 was available in performance cars between 2006-15. There may have been some exceptions, though, with those using a cast nodular iron crankshaft; 3) All 73-74 Corvette 454 cid engines used a cast nodular iron crankshaft; 454 HO (PN 12568774): 425 hp at 5,250 rpm. 1970 Chevelle SS 454 LS6 specs. 44 L) LS6 Mark IV Big Block. EO BBDC 106°, EC ° ATDC 73° (@. (ID#3976036). 001 standard high limit, pressed pin, high performance piston has a 12. Here are the details you need to know: Oil Type: The LS6 engine requires high-quality engine oil that meets the API (American Petroleum Institute) specification of SN or higher. Jan 19, 2011 · MOTION SS-454 CAMARO 550 HORSEPOWER • GM LSX 454 Engine • Bore: 4. 4 litres. 1970 Chevrolet Corvette Stingray 454 LS7 specs, performance data, engine specifications, pictures, updated August 2024. These were in a Chevrolet big block recently tore down. 455ci, NA V8. It is mandatory for you to contact Golen Engine Tech Support before starting your Chevy 454 long block engine for the first time and you can reach our Tech Support Line at 1-800-591-9171 Dec 24, 2006 · LS-6 AUTOMATIC - Holley list no. 90@113 MPH Find CHEVROLET 7. this is a ls7 crate engine. 7:1 rocker ratio Review (MPN: L2307A for sale) CHEVY Bbc Forged Trw Block . 44 L) internal combustion reciprocating V8 engine. 25. An LSX with Big-Block Torque! With the LSX Bowtie block, we’ve built a 21st century 454 with our latest technology. It was purpose-built for high-performance. CRATE MOTOR PURCHASED in 1986. Body Type: 2-Door Coupe or Convertible. 1970 Chevrolet Chevelle SS LS7. Identifying a Chevrolet Big Block Camshaft Chevy Big Block Camshaft Part Number Sep 15, 2021 · The Chevrolet Corvette was only equipped with the 454 LS6 for a single model year, and 1971 was also the last hurrah for every other Chevy model that had access to the monster motor. 4 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. Chevelle SS 454. This engine is known for its durability and performance. The Best Horsepower Per Dollar Around! Priced From: $. Power: Rated at 450 @ 5,600 and 500 lbs/ft of torque @ 3,600. Part Groups. Feb 14, 2024 · To keep the Chevy 454 LS6 engine running smoothly and efficiently, it is crucial to follow the recommended oil specifications and service intervals. CHEVROLET 7. 0L LS7 Engine. 2:1 *cam lift . 3969898, except with RPO NA9 Evaporative Emission Controls, then Holley list no. He pull the cam and lifters out of the factory crate motor never fired from the late 80's. I know the 427 might be alittle more costly to build. Feb 19, 2024 · Here are the recommended engine oil specifications for the Chevy LS7 engine: – Oil Type: The LS7 engine requires synthetic engine oil with a viscosity rating of 5W-30. ) The duration at lash point in degrees (intake/exhaust) is 328/324; duration at . The way this engine achieves its size is down to a larger bore and longer stroke. View Specs: Build Now: LS7 427ci 650hp WS LS2, an LQ9 or LS3 — or Block Chevrolet Performance LS7 aluminum Chevrolet Performance LS3 aluminum Chevrolet Performance LS7 aluminum Chevrolet Performance LSX cast-iron with steel main caps Bore, Stroke 4. 4:1 nominal 13. 015") 112° LSA Jul 15, 2024 · Specs courtesy of Chevrolet and FastestLaps. part: l2307a price Find CHEVROLET 7. Includes pins. = 10. There were plenty of posts about "small bore" LS7 heads, but nothing about factory or LSX-LS7 heads. 73 rear - Holley Super Sniper EFI with a shot of Nitrous. of torque at 4,800 RPM. Jan 16, 2023 · I don't have the exact specs of the 1st design L88 cam, but the 2nd design L88/ZL1 cam specs out as follows:. 9:1 nominal Feb 21, 2020 · We drive a 69 Chevy Camaro fitted with an early crate LS7 454 Factory GM Performance Big Block, backed by a manual trans. It was basically undrivable due to 12. TITLE LS7 EFI Crate Engines Specifications REV 16OC14 PART NO. 050" tappet lift (intake/exhaust) is 220/220; and maximum lift with 1. 454 LS7 hade 460 hk och fabriksmonterades inte i någon bil utan såldes som eftermarknadsmotor. 00 from a Chevy dealer in Decatur Ga. Say 81 or 82. By 1970, the Muscle Car era was at its peak, and no muscle car soared higher than the Chevrolet Chevelle SS. Please refer to the Chevrolet Performance Parts Visit Our "What's New" page to get all the latest Chevrolet Performance News, Announcements, and Specials. /ft. My Chevy Power / GM Performance manuals all list the LS6 cam Feb 2, 2008 · I have a bare 73 454 block and I'm trying to decide which way to go with it,454 or 427. Jan 31, 2022 · Originally developed for the C6 Z06, the iconic LS7 and its wet sump LS427/570 crate engine cousin have both been discontinued by GM and Chevrolet Performance. 060 over pistons and the skirts have been knurled. The Chevrolet Performance LSX454R was born and it is a beast of an engine. The LS7 is the largest engine in the LS family. 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. We have some of the lowest prices on Chevrolet Performance Parts, Chevrolet Performance Engines, and Chevrolet Performance Transmissions. It has it rated at 500+HP@ 5600 rpms. Explore the Chevrolet Corvette C3 Stingray Coupe 1970 454 V8 Turbo-Jet 390HP Hydra-Matic Auto 1969, 1970 detailed specs, including 0-60 mph times, horsepower, and handling data. Mar 13, 2023 · A N. The vehicle was set up for drag racing, I am replacing with something more built for daily street use. Due to the higher gas prices, insurance concerns and upcoming new smog and unleaded fuel mandates, GM only offered the LS7 as an “off road use only” crate engine although a similar design is still available today called the 454 HO from GM Performance. Part Number: NAL-19303238 Jun 21, 2012 · 1972 Nova - 454 LS7 - ATI Turbo 400 - Moser 3. 1970 lanserades en motor på 454 kubiktum. R. The LS7 was later offered as a crate engine from GM and advertised at 500 Gross HP. 1 compression • 4 bolt main block • 5140 forged steel crank - factory balanced Mar 29, 2011 · This reply is many years late but for anyone interested I also purchased an ls7 454 crate engine in 1982 for $1800. 19329268 DATE REVISION AUTH SHEET OF1 14 05MY14 Initial Release - William Duncan N/A 16OC14 Revision - William Duncan N/A LS7 EFI Crate Engines Specifications Specifications part number: 19329268 Jan 20, 2011 · I've got an 1970s style LS7 454 Chevy Big Block for sale. 4L/454 Oil Pans. The 8 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a displacement of 7. Luckily, the LS6 deck did not require machining. Filter by Availability Filter Results Filter by Vehicle Individual Parts . Apr 19, 2021 · The arrival of the 1970 Corvette happened somewhat later than was typical in the automotive manufacturing industry, due in part to the incredible sales backlog that had occurred during the 1969 model year and also due in part to the UAW (United Workers) strike, which delayed the new Corvette from reaching showrooms until February. The major differences between the LS6 & LS7 (according to the spec sheet from GM) is as follows *12. P. R4556-A, Chevy no. Tech Specs. Due to the number of application variations, the LSX 454 crate engines do not include an oil pan, and the valve covers do not include provisions for mounting the ignition coil brackets May 25, 2014 · LS7 454 piston specs Jump to Latest 6. The 7. Starter The design uses a production Corvette LS3/LS7 engine starter. The LS5 engine was primarily used in Chevrolet vehicles during the late 1960s and early 1970s. For example the LT1 was the rare and amazing 302 CID Chevy Smallblock in the original Camaro Z/28 in the late 60s. During the heyday of the factory muscle car, Chevrolet produced what they thought would be the perfect muscle cars. The LS7 was a 454 back in the day, now its a Gen IV smallblock. 76 N⋅m) of torque. Its both. 4 liters). And by the same token, it could have been the same block used in a light truck with a 454. Some have L2307A and others have a different part number but all 8 appear to be identical. - but requires no more space under the hood than a production LS engine. To accommodate the two-stage LS7 pump, the LS7 crankshaft snout is longer than normal. It is important to use high-quality oil that meets the GM Dexos 2 specification. . Introduced in 1970, it was part of the Mark IV series of engines and gained immense popularity due to its robust performance in various applications, including: Chevrolet Big Block Camshaft. 0L 427 C. Compare horsepower, torque, and specs to perfect your custom car. 578/. 370” Static Compression Ratio 10. We will also provide you with a complete Set Up Guide as well as full phone tech support to aid you with the installation process for the LSx 454 long block. The Chevrolet Corvette Stingray 454 is one of the 19400 range of cars from Chevrolet. I. (Advanced five degrees; use spring P/N 3970627. 5-seconds, and was capable of completing a ¼ mile pull in just over 11-seconds. Apr 24, 2009 · Thanks for all of that typing Toddalin!! Those page references accord with my 1993 Assembly Manual, however I'm actually chasing the official engine specs for the 460hp option -- i. Chevrolet re-uses "L" designations a lot. They were crate engines, and built with whatever 4 bolt blocks Chevy was producing at the time, and 1975-1987 was when those crate engines were offered. Presently it's fitted with a large roller cam and lifters. Please ask questions. 125” x 3. Those that have them, traditionally seem to add roller cams, aluminum after market heads and other internal speed parts. Jan 24, 2000 · The LS-7 crate motor was listed as follows: PN 3965774, 454CID, 12. Mar 10, 2023 · A N. 556/. Apr 21, 2013 · I believe these are the correct camshaft specs, for a 1970 Chevrolet 454 w/LS4. 0L LS7 engine in a 2006 Chevrolet Corvette Z06. The highly refined small-block conjured up 505 brake horsepower at 6,200rpm, and 475 lb. Feb 24, 2021 · 3963512 454 70 Corvette, Pass 360, 390 HP 3963512 454 70 Chevelle LS6, 450 HP 3963512 454 70-71 Pass, Chevelle, Monte Carlo 3963512 454 71 Corvette 365, 425 HP 3963512 454 73-75 Chevelle. It’s lighter and more compact than an original Big-Block 454–and it delivers the 1967-71 396/402/427/454 Chevy Big Block Factory Muscle™ Solid Lifter Camshaft and Lifter Set. This engine was rated 465 hp (346. 4L/454 Pistons Forged aluminum Piston Material and get Free Shipping on Orders Over $109 at Summit Racing! Aug 17, 2018 · In 2011 Chevrolet released the 454 again, but this time instead of a big-block, it was in the form of an LSX small-block. Oct 28, 2024 · The Chevrolet 454 is a member of the big-block V8 family, known for its impressive displacement of 454 cubic inches (7. General Motors built an automotive empire out of the idea of sharing parts and platforms across multiple lines of vehicles. Feb 19, 2024 · The Chevy LS5 engine is a V8 engine that belongs to the LS engine family. 6K views 3 replies 3 participants last post by deadpool1988 May 25, 2014 Chevrolet Corvette Stingray 454 is a car that has a 2 door coupé body style with a front mounted engine powering the rear wheels. Still in vehicle. It has bore/stroke ratio of 4. 4L/454 Camshaft Kits N+LS6 Grind Number 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! Search Within Results 1970 Chevrolet Chevelle SS 454 specs, quarter mile, lap times, performance data, top speed, engine specifications, pictures, updated May 2024. LS6 454 from the early 1980's. (Photo Courtesy Edelbrock) Modern competition heads usually have heart-shaped combustion chambers to minimize chamber volume and increase the quench area. 015") 347°/359° ADV. 8 cu in) engine, based on the Gen IV architecture. LS-7 454 big-block Chevy from 1979 runs for the first time at Westech Performance—read what happens! Steven Rupp Writer Steve Brulé Photographer Mar 10, 2023 See All 22 Photos Oct 23, 2009 · For a true 12. Torque. I already have a set of 049 heads. I remember searching the GM high performance parts catalog to see what was the most expensive part in the catalog. There is 1 flaw in the throttle head. Find CHEVROLET 7. English Français Deutsch Svensk Português PT Español русский Italiano български Nederlands Polski Português BR Türkçe Aug 27, 2012 · Brutal Legend: The LSx 454 – Part Number 19244611. Top End Features. This motor has the Open Chamber 12. 125-inch • Cast-Iron block, six-bolt cross-bolted mains • Forged Aluminum 11. Big-Block performance built from our LSX Small-Block One of the most legendary engines in muscle-car history was the Chevy 454 Big-Block. 0 L; 427. S. Jul 25, 2017 · 1968 Z28 M21/U17 BRG/W 1967 Chevy ll Nova SS 1969 Z28 X77/M20/VE3 LeMans/W From 1969 427-CID RPO ZL1 and 1970 454-CID LS7 competition engines. 5:1 compression. 050 inch). If it is a true LS-7, it will have a forged 1053 cross drilled TuffTrided crank, floating wrist pins with 7/16 Boron Rod Bolts, Federal Mogul Bearings, oval skirt forged pistons that will yield at least 12 to 1 with 119cc chambers, and of course, a 4 bolt main block. 627 HP @6300 RPM; Aluminum LSX-LS7 port; with “as cast guidance. 4 liters, making it a true powerhouse. Aug 31, 2022 · The ’70 version of the LS6 454 was a pinnacle year as, by 1971, Chevrolet started to detune the engine. It is essential to use Details on the GM 7. 6:1 nominal 10. There are very few videos or information regarding these 50 year old engines. Aug 28, 2015 · C3 Tech/Performance - 454 LS7 3965774 crate engine from early 80's - Early 80's I put in a LS7 (part #3965774) crate engine in my 72 LS5. Get all the Info. 3969894. 8 cm × 10. Custom Built and Dyno Tested by Scott Shafiroff Race Engines. PRICE $5,000. e. 25 in × 4 in (10. The Chevrolet Big Block used a variety of Cams over its production. 5 compression on low octane gas, so I switched back to the LS5 after a couple of years. 25:1 compression vrs 10. The motor is a 12. The LS7 equipped Z06 posted 0-60 MPH times of only 3. May 4, 2023 · In this guide, we discuss Chevy 454 engine specs, performance, reliability, upgrades, and more. This big block engine was an enlarged version of the L88, with an aluminum-head block. So, if you’re one of the people who think it’s all a little confusing, you’re not weird. 050, with lift at Specs Comparison . Other key features of this LSx 454 supercharged engine include a boost-ready design, forged rotating assembly, six-bolt cylinder heads and a hydraulic roller cam for reduced wear and friction. 270” 4. The early production models came with either a Solid (mechanical) or Hydraulic Cam. 454 Small Block Chevy Big Dawg Pump Gas Engine. I have raced against a Baldwin Motion 454, 4speed 71 Chevelle, Ed Isky preped 70 440 Cuda, 68 Vette with a LS7 4 speed tunnel ram with dual 750 DP, a 67 Gt fast back Mustang with a 427 ford SOHC eng in it and a 69 Dodge Charger with a 426 HEMI. 454-motorn monterades i personbilar fram till 1976, och i lastbilar till 1996. Apr 30, 2024 · C3 General - 1970 Factory LS7 Specs - There was a LS7 454 that was mentioned in the 1970 Corvette brochure as a factory option. The LS6 version of the 454-cid big block is probably best known for its inclusion in the second-generation Chevelle, where it topped out at 450 hp and 500 lb-ft of torque. The block's dimensions and surfaces are carefully checked. Apr 6, 2023 · The Rise of Chevy’s 454 LS Engine. And by 1973, the Chevy 454 produced less power than the Pontiac SD-455 at 275 hp and 468 lb-ft. 430" @ 111° LSA 1970 Chevrolet 454 w/LS4 engine. Our large inventory and huge warehouses allow us to offer some of the best prices around. ex. May 3, 2007 · I've been asked to fill in some blanks for cam specs for the LS6 454. I do not have a cam card. Developed out of Chevy’s racing programs, the LS7 was a high performance LS motor for the top tier Camaro and Corvette track trims. 2 block. Sadly, by 1972 only the LS4 (standard block) and LS5 (performance block) remained in Chevy's car lineup. The big-block engine casting numbers serve as a means of distinguishing an engine block by designating the casting number, the year of manufacturing, and the CID (cubic-inch displacement). Results 1 - 25 of 166 Mar 31, 2014 · Specs: Drivetrain: Front Engine, RWD Engine: 7. 185-inch; Stroke: 4. Specs: 12. Back in the day remind you. The LS7 is a special engine, found in the performance-driven C6 Z06 and fifth-gen Z/28 Camaro. Jul 31, 2015 · This LS7 engine was supposed to be the successor of the potent LS6, 425-horse Chevy engine that appeared in the 1970 Chevelle LS6 454 line and the following year in just 188 LS6, Although the LS7 454 never made its way into any cars sold to the public, it was sold as a crate engine available through Chevrolet and claimed to produce around 500 horsepower. To keep the 1973 Chevy 454 engine running smoothly and efficiently, it is crucial to adhere to the recommended engine oil specifications and service intervals. It was later offered by GM as a crate engine with an advertised 500 horsepower. It was used in Chevrolet cars. When Chevrolet introduced the LS7 engine, it brought a lot of changes compared to the LS designs that came before it. Mine had no intake manifold either. Curb Weight: 3,836 lbs Feb 25, 2024 · LS7 is one of GM's most powerful naturally aspirated engines, producing 505 hp and 470 lb-ft of torque. Jan 18, 2014 · The Chevy 454 was originally offered in three variations: the LS5, LS6, and LS7 (which was never offered as a factory option to the general public). With the LSX Bowtie block, Chevrolet Performance engineers were able to build a 21st century 454 with the latest technology — and it requires no more space under the hood than a production LS engine. Jan 15, 2024 · Engine Oil Specs & Service Intervals. English Français Deutsch Svensk Português PT Español русский Italiano български Nederlands Polski Português BR Türkçe The Chevrolet El Camino 454 SS is a light delivery vehicle/ute/bakkie with 2 doors and a front mounted powerplant which supplies the power to the rear wheels. The 1970 production models of the 454 put out the most horsepower with the LS5 claiming 360 horsepower and the LS6 putting out a mighty 450 horsepower. 0L LS Engine Guide: Block Specs, Swap Resources & Build Info. 25:1 454 with 990 heads which cam would give more top end performance, the LS7 cam, or the L88 cam? Here is the information I was given on the L88 cam. 825” 4. Save Share Apr 19, 2017 · Will consider trading for a 454/468 with warranty. He tells me it was the L88 version. LS7 can also refer to a 454 over-the-counter 460+ hp high compression engine Chevrolet Big-Block engine of the 1970s 7. 505 @ 6,800 RPM. Later year Big Block also came with Solid Roller and Hydraulic Roller Camshafts. 25:1 compression ratio and an open dome. 612 (lift specs Per Lingenfelter as measured in the LS7, figures below not per Lingenfelter) 262°/272° @ . The bore was pushed to 4. A few years later there was an LS7 that was sold over the counter as a 454 version of the L88. The 70 454 Corvette was not released with the LS6 or the LS7. As the LS7 is a small block, 427 cubic inch, modern engine. Nov 1, 2006 · The 1965-1974 Mark IV big block chevy engine, also called the Rat Motor, served duty in many super Chevys, including Corvettes and Camaros - Super Chevy Magazine Sep 18, 2008 · This hydraulic flat tappet "454" is a good street high-performance and marine cam used in the Gen V 454 H. It's lighter and more compact than an original Big-Block 454 - while delivering Big-Block output of 627 hp and 586 lb. 0L Gen IV LS7 V-8 Small Block. Peak Horsepower: 725bhp @ 6700 rpm Peak Torque: 580lb/ft @ 5200 rpm Mar 12, 2010 · Could be an LS-7 block, but that doesn't mean anything. 5 pistons. This is the first build I'm doing and I would like to hear from you guy on the strong points each of them have. LS7 Specs Index Dec 29, 2024 · Meanwhile, the non-street-legal LS7 crate engine was the pinnacle of power from Chevy, rated at more than 465 hp and 610 lb-ft of torque. com My 1970 SS454 LS6 SuperCar certified stock appearing 11. Detailed info and specifications, vehicle applications, and more. I have an original early 70's crate LS7 454 and would like to built a 70 Vette Jan 15, 2024 · 1972 Chevy 454 Engine Specs. 0:1 nominal 10. 4L 454ci LS7 V8 Transmission: 4 Speed Manual, 3 Speed Auto Power: 465/500 @ 5,200rpm Torque: 610 ft-lbs @ 4,000rpm Only one car was even known to be built, and none were ever sold, but were listed as an option early on. In fact, lets take a second to chat about the LSx 454 engine block, which is the first 100% aftermarket crate engine offering from Chevy Performance. Camshaft number = #3963544 Camshaft Intake duration @ . Jan 5, 2024 · Vehicle history and comps for 1969 Chevrolet Camaro SS Baldwin Motion 454/ LS7 VIN: 124379N709326 - including sale prices, photos, and more. head LS6 rated at 425HP. 454 LS6 hade 450 hk och fanns i t. It features a displacement of 454 cubic inches or 7. Chevrolet gasoline Big-block Mark IV 454 CID (7. 065” x 3. 5:1 1970 LS7 454 Chevy Big Block Engine FOR SALE I've got an original 1970 LS7 454 Chevy Big Block Complete with Cam, roller rockers, pan, HV pump, timing and pan tin, etc. Dual pattern, blueprinted replacement for factory (P/N 3925535) 435 H. The engine features a different block and sleeved cylinders. engine P/N 10185058. Both Holley's are 780 cfm vacuum secondary models. 4 L) LS7 is an 454 in³ (7. In 1971 the 454 Corvette was available with an Alu. Feb 22, 2021 · Obviously, this system is much more complex than a standard wet sump and requires multiple external plumbing and fittings. The old schoolers tell me that Mar 18, 2013 · • 1l07xch8 = xch = ls7 454, l= van nuys, ca, 07 = july, 9 = 1978 • discontinued between 1990 & 1991 • ls7 vs ls6 = more cam, more compression, open chamber heads = more horsepower!!! • date code = e318 (may 31, 1978) • part number = 3965774 • 12. With its impressive performance and robust design, this engine has become an icon among muscle car enthusiasts. LS-7 454 big-block Chevy from 1979 runs for the first time at Westech Performance—read what happens! www. -ft. C. In 1970, Chevrolet planned to introduce into its performance cars, especially the Corvette, a 454 cubic-inch displacement engine dubbed the LS7. For 1970 LS-7; used in engine assembly P/N 3965774 Asking Price: Best Offer Condition: Excellent City May 13, 2012 · A 465 hp (347 kW) and 490 lb·ft (660 N·m) version of the 454, dubbed LS7 was also designed but never went to production. 427 cubic inch early L-88 camshaft. Discover Chevy Performance LSX Crate Engines with racing-engineered combinations. Also to note, this engine had the ZL1 oil pump with 5/8" pickup tube braised on and no paint on this engine. Unlike our other LS displacement guides, there’s only one factory 7. 25:1 compression and the (solid lifter) cam specs were 262/273 dur. However, even the modern 454 HO crate engine shares the same general design. At some point someone drilled an extra hole in the throttle head. However, a handful of LS7 intake manifolds were produced and sold by a few Chevy dealers as performance parts. Many Options To Choose From To Fit Your Application. Mar 28, 2022 · * 7. I purchased a 1970 Chevelle SS (vehicle not for sale) with a LS7 motor. 16 cm). 540-inch exhaust, 211/230-degree duration at . H19 70 is a date code – I believe it translates into the date the block was cast – H=August, 19 would be the 19th day, and 70 would be the year. 8 seconds at 108 miles per hour. 0L V8 LS7 engine used in the Corvette Z06, 427 Convertible, Camaro Z/28. 25:1 compression, 4 bolt main block, 5140 forged steel crank, w/cross-drilled mains 3963524, 4340 forged steel connecting rods with 7/16 in. While the LS5 was the most widely available and made an impressive 390 hp and 500 lb-ft of torque One of the most legendary engines in muscle-car history was the Chevy 454 Big-Block. R4492-A, Chevy no. The early 1966 L72 427 Corvette was rated at 450 Hp and some left the factory with the 450hp decal but then Chevy lowered it to 425hp with no modifications to the engine. Chevy 454. gpdxassmhxpftlilltjsbwvqydqporhpwwulmwbyrexrbzvtgkjhioibditozprlh