For more than 25 years, Chevy's big-block V-8 was a rock of stability. The promised 460-bhp version of the 454 … The Chevrolet 454 engine was a part of the 2nd generation of Chevrolet big block engines. Engine and Transmission Specifications. Yet it survived to become a workhorse and father of the 8.1-liter 8100 Vortec V-8. Cam was less than $200 complete. The Chevy 454 was a very powerful engine and is still popular to this day for performance fans. HCDMAG.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Select a size: You can choose a big-block or small-block engine… The engine originally had 3 variants, although only 2 of those were offered in normal production. Nonetheless, this engine was used in other applications for a long time and is still popular to this day for performance fans who have a car large enough to accept one of these big block engines. The valves were oriented to open away from the combustion chamber and cylinder walls, greatly increasing the volumetric efficiency of the engine. Each cylinder had a 107.95-mm bore and a 101.6-mm stroke. Chevrolet 305 V8 Engine. Uncle Sam started to tighten down on emission controls in 1971 which affected a lot of the power of the 454. See all 15 photos The engine had 35,000 hard miles, 31 years, and all the grime to back it up. Article may contain affiliate links. This drawing is of the 1967 version of the 302 cid Chevrolet. See all 15 photos The engine had 35,000 hard miles, 31 years, and all the grime to back it up. It was also stymied by emission control equipment. Standard push rod overhead valves were used, with 2 valves per cylinder, 1 intake and 1 exhaust, with the camshaft inside the block. There were 3 different variations of the 454 that came onto the drawing board at GM during the 70s; the LS5, the LS6, and the LS7 which was designed but not produced for the general public most likely due to the massive smog restrictions that started lurking about in the early 70s. The SS 454 package would be discontinued after this year following the production of 1,919 units, but the 454 CID V8 engine would remain optional in Monte Carlos through 1975. ): 4.250 x 4.000; Block (P/N 19170538): Cast-iron with four-bolt main caps; Crankshaft (P/N 14096983): Forged steel; Connecting Rods (P/N 19170198): Forged steel; Pistons (P/N 10215228): Forged aluminum; Camshaft Type (P/N 24502611): Hydraulic roller Chevy slightly detuned the 1971 version to generate 425 horsepower and 475 foot-pounds of torque. It didn't take months of research to become a Rat-motor expert because virtually everything was interchangeable. The 454 engine option was available for the first half of the model year after which the 400 engine became the top engine. 1971 LS6 with 4 Barrel Carb. 1956 C1 Chevrolet Corvette Model Guide. By the time 1972 was reached, change of power calculations along with reduced power for emissions control resulted in a drop to max power rating of 270 horsepower with a peak torque of 468 lb-ft. As you might have guessed, the 454 represents the 454 cubic inch (7.44L) displacement of the engine. But paradoxically this year's test car has less horsepower than last year's 427-cu-incher. 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. First I start with a new Fuel pump , STOCK 75lph TBI fuel pump will only support about 230hp before the fuel pressure drops like a rock. The reason given for discontinuing the SS was that the Monte Carlo was marketed as a luxury vehicle instead of a muscle car. The Camaro’s second generation started off with the most powerful array of engines offered in the personal coupe/pony car style chassis. The 454-cu.in. in regular production tune and probably peaked at nearly 650 hp in special GM tune at the top of the muscle era this year with race and drag applications going beyond that. V-8 engine (220-240 gross HP in '67-8) was dropped in 1969 in favor of the 350 CID variant rated at 255 gross HP (200 net H.P. To find out just how much the 30-year-old behemoth could muster, … 1954 C1 Chevrolet Corvette Model Guide. What’s left, though, is a 454 cubic-inch big-block Chevy with huge potential. Engine Type: Chevy Big-Block V-8; Displacement (cu. Proud Member of the Big Block Family. The LS4 engine is a Gen. 4, 5.3L, aluminum small block engine used in GM cars between 2005 and 2009. Though all of the C and K series came standard with one of Chevy’s famed inline-six cylindered engines, there were many different engine and transmission options based on which pickup you felt would best meet your needs. Gen I small-block Chevy engine. Engine Specifications. The major reason for the fast phase out of the LS6 was primarily due to bad timing of introducing such a large engine. All Rights Reserved. More significant for this year was the advent of the 454 CID (or 7.4L). Max Brake Horsepower: 360 @ 5400 rpm (Chevelle) 390 @ 4800 rpm (Corvette) Max Torque: 500 @ 3200 rpm (Chevelle) 500 @ ... 1970 LS6 with 4 Barrel Carb. After messing with my brothers 1992 454 TBI dually truck and now my 1991 TBI 454SS, I am going to say, I am not a big fan of the 91-95 GEN V big block engine. It was not the ideal time to introduce a large cubic-inch big block tailored for performance vehicles, but the Chevy 454 made quite an impression nonetheless. The SS 454 carried Chevy's intermediate performance banner, wrapping a lean, butch exterior around serious big-block horsepower and igniting a reverence that burns strong more than 30 years later. It didn't take months of research to become a Rat-motor expert because virtually everything was interchangeable. . This will help you find a compatible 454 engine for your Chevy. The Vortec 454 engine had 7,439 cubic centimeters, or 454 cubic inches, of displacement, giving it the 454 or 7400 name. Two 454s. in. The 327 c.i. Chevrolet 454 Engine Specs. These engines are not to be confused with the more modern small block LS5, LS6, and LS7 offered by GM. For more than 25 years, Chevy's big-block V-8 was a rock of stability. Chevrolet had introduced its popular small block V8 in 1955, but needed something larger to power its medium duty trucks and the heavier cars that were on the drawing board. Building on the popularity of its 427-cubic-inch engine, General Motors introduced the 454 in 1970—one year before emissions standards were tightened and just three years before the gas crisis hit with full force. 1971 LS5 with 4 Barrel Carb. How to Tell the Year of a 454 Chevrolet Engine by Blaze Johnson . The Vortec 454 engine had 7,439 cubic centimeters, or 454 cubic inches, of displacement, giving it the 454 or 7400 name. 454: 1991-up, 4-bolt, Gen V crate motor, Gen VI 4.25in bare block: 12556110: 496: 2001-up, 4-bolt, Gen VII 8 1L, Vortec 8100, truck: 12561357: 454: 1996-up, 4 … One major issue that this issue had to face was the fuel crisis in the early 1970s, which is definitely not good for the sale of large engines. smog equipment). with "A.I.R." This engine is now in production only in crate versions, and with quite a few differences compared to the original engine from 1970, but this attests to the popularity of this engine. Comstock/Comstock/Getty Images. Each cylinder had a 107.95-mm bore and a 101.6-mm stroke. Chevrolet 307 V8 Engine. Continuing our look at Camaro engines through the years, we completed our review of the first generation Camaro engines last month and are focused on the second generation Camaro engines from 1970 through the 1981 model year.. Another big blow for the 454 was the gas crisis of 1973 which pretty much sealed the fate for the motor during this period. How do you select a complete Chevrolet 454 engine? To some, the Chevrolet 454 big block was the right engine at the wrong time. As American automobiles grew in size and weight following the Second World War, the engines powering them had to keep pace. Chevrolet 1970-1979. In our comprehensive General Motors engines guide, we've compiled information about all of GM's current engine offerings, including specs, pictures and more. See all 15 photos For the initial dyno run, we used the original 800cfm Quadrajet carb. In 1970, GM pushed the performance bar higher with the introduction of the Chevy 454 V8. In 1974 it was still possible to get a Corvette with a big block, 270-hp, "LS4" 454-cubic-inch V8. 1972 LS5 with 4 Barrel Carb. Head over to the 454SS truck site and find out what cams they're running with TBI, they're a bit tricky. 1970 LS5 with 4 Barrel Carb. While the 454 was used in high-horsepower cars such as the Corvette and Chevelle, the Chevy 454 automobile engine made 330 horsepower stock. One of them was the 402 CID; a 396 bored .030" over. Comstock/Comstock/Getty Images. Chevrolet 350 V8 Engine. in regular production tune and probably peaked at nearly 650 hp in special GM tune at the top of the muscle era this year with race and drag applications going beyond that. The LSX 454 crate engine is a 21st-century upgrade to the legendary Chevy 454 big block race engine - see images, dyno specs, installation info and more. As with many high performance engines during the muscle car wars, there were lots of rumors flying around in regards to actually how much horsepower the 454 engines put out as opposed to what Chevrolet was reporting. Head and Block Construction. As mentioned, the Chevy 454 first became available as part of the 2nd generation of Chevy big block engines in ... 454 Big Block Performance Specs. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. The stricter emissions standards were also not kind to this engine, requiring additional major modifications just after the introduction of this engine. Its uniqueness was in its versatility. TBI 454 255hp @ 4000rpm 405 lb/ft torque @ 2400 rpm 454SS(91-93) and 94-95 3/4 and 1 ton trucks used 90 lb/hr injectors at 28-32 psi (high pressure system) Vortec L29 454 290 hp 410 lb/ft torque The Vortec 454 uses 8 24 lb/hr fuel injectors that are sequentially fired. The LS4 had cathedral port cylinder heads and used Active Fuel Management (AFM ) . PART NO. 12568774 438 HP @5300 RPM 500 LB/FT @3500 RPM In this engine, power reached 460 HP / 490 ft. lbs. This year it's the 454 engine. Replacement 454s. More good news is that today the 454 is one of the favorites among Chevrolet performance enthusiast which means that there is an ample supply of engine parts available for the 454 that really push the horsepower on these engines easily above the 600 bhp mark. Suitable for street and off-road use, the 454 HO big block crate engine by Chevrolet is able to produce 425 horsepower at 5250 rpm. Today, Gomez is 44 years old and has built over 700 engines from Cadillacs, Fords and Chevys to Hondas, Nissans and Toyotas, as well as some Mopars and AMCs. Chevrolet 454 V8 Engine. Of course this has never been officially proven but it could be a good argument for discussion. The LS5 engine remained available in cars until 1976, while the LS6 was phased out after only 1 year. The pistons used for regular versions of the engine were cast iron, while performance versions were offered in forged steel. It is unique because it was the only LS engine used in FWD vehicles. 1955 C1 Chevrolet Corvette Model Guide. The 427 engine continued to be produced for the Corvette through 1974 and some Chevy cars through 1975. Early Truck 454s. Of course, when it comes to performance, people are most interested in engine options. or 195 net H.P. You are currently viewing Chevrolet.com (United States). For the 1970 model year, Chevrolet announced a 454-cid expansion of the Mark IV, available for Monte Carlo, Chevelle, the big Chevrolet, and Corvette.At the same time, two 400-cid engines appeared on the specs charts, but they were totally different. A majority of his builds were Ford Modulars while he was working for a local engine … Drawings by David Kimble.Production of the original small-block began in the fall of 1954, for the 1955 model year, with a displacement of 265 cid, growing incrementally over time until reaching 400 cid in 1970. And even the base 350-cubic-inch (5.7-liter) small-block V8 was still gross rated at 250 hp. 454 Big-Block Budget Engine Build - Making Cents We build a 700hp 454 engine for $2,403. Both engines can benefit a LOT from higher flow cylinder heads and cams. The introduction of the 454 engine did not actually begin until 1970. The Chevrolet 454-cubic-inch, or 7.4-liter, V-8 engine was a brawny gas-guzzling powerplant that should have died an ignoble death after the 1973 fuel crisis. This engine is made using a cast iron block and heads. Gen V 454 cid BBC factory block. Additionally, the Gen VI block is machined for the use of the "magical" factory hydraulic roller-lifter cam. Starting in 1970, the 454 big-block V8 engine made its way into many Chevrolet-branded high-performance passenger cars. Starting in 1970, the 454 big-block V8 engine made its way into many Chevrolet-branded high-performance passenger cars. Due to the fuel crisis in 1973, the massive 454 was primarily offered in heavy-duty General Motors trucks from 1974 to 1996. Later Versions. Which 454 Engines Were in Chevy One-Tons? This big engine is capable of creating a lot of power and is also quite reliable. In our comprehensive General Motors engines guide, we've compiled information about all of GM's current engine offerings, including specs, pictures and more. Chevrolet 250 Inline 6 Cylinder Engine. Matching Transmissions. Chevrolet 1960-1969 / Chevrolet 1970-1979. Unfortunately the Chevy 454 was the right engine at the wrong time. The engine is capable of displacing 454 cubic inches of air with 4.25 inches in bore and 4 inches in stroke and at a compression ratio of 8.75 to one. 1953-1962 C1 Corvette Specs & Information. As an Amazon Associate I earn from qualifying purchases. Due to the fuel crisis in 1973, the massive 454 was primarily offered in heavy-duty General Motors trucks from 1974 to 1996. This engine is still quite popular for performance enthusiasts, as is indicated by the number of aftermarket parts still available for this engine in some popular aftermarket magazines. The engine was introduced just before emission standards were increased, and also very close to the gas crisis in the early 1970s, neither are friendly environments for such a large engine. A V-8 of this size can easily be setup to generate in excess of 500 horsepower. Chevrolet 1960-1969 / Chevrolet 1970-1979. Engine Facts © 2021. However, they can be improved. Close this window to stay here or choose another country to see vehicles and services specific to your location. The LS5 and LS6 engines were both offered beginning in 1970, with the LS6 being the more powerful of the 2 engines. With the 4.25 stroke unchanged, the new engine displaced 454 ci. As mentioned, the Chevy 454 first became available as part of the 2nd generation of Chevy big block engines in 1970. The LS5 version produced 390 hp with a hydraulic valvetrain. They ground one to similar specs as the Crane made for towing/mileage, specs are 214/220 with about .560 lift on a 114LSA. 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. (7.4-liter) fuel-injected engine was not exclusive to the 454 SS model, but instead was the same V-8 available in 3500 and 2500 pickup models. See all 15 photos For the initial dyno run, we used the original 800cfm Quadrajet carb. 1953 C1 Chevrolet Corvette Model Guide. Beyond these changes, I'm not sure what other differences there are between the Mark IV, Gen V and Gen VI engines. How to Tell the Year of a 454 Chevrolet Engine by Blaze Johnson . Corvette Specs (All Years) - All Data You Could Ever Want. Some say that both the LS5 and LS6 454 motors were underrated by about 50 bhp. The Chevrolet "Big Block" is a term for a series of large displacement V8 engines that have been developed and produced in the United States from the 1950s until 2009. Along with the new engines came a new grille design for Chevrolet trucks and a … The original LS5 engine was introduced with 390 hp and 500 lb-ft of torque, while the LS6 was rated at 450 hp. lsx454. As of 2015, Chevrolet suggests a retail price of about $7,200. With the Gen VI, Chevy put the mechanical fuel pump boss BACK on the 454/427 blocks, but continues to omit it on the 502s. Beginning in 1970 this engine was available in the Chevrolet Corvette, Caprice, El Camino, Monte Carlo, and Chevelle, with the engine being made available in the GMC Sprint beginning in 1971. The good news is that the 454 didn’t completely die after 1974 but was used up until 1996 in many Chevy heavy duty trucks. Chevrolet 1960-1969 / Chevrolet 1970-1979. Two versions of the optional 454 were available in 1-ton Chevy trucks. The 454 did last longer in heavy duty truck applications, lasting until the mid-90s. The first generation of Chevy big block engines was introduced in 1958, with the 2nd generation being introduced for production vehicles in beginning in 1965. Chevrolet Performance’s 454 HO crate engine is a Big-Block bargain – an affordable engine with performance specs that will make you think it’s 1970 all over again. In 1970, Chevy rolled out an enormous 7.5-liter, 454-cubic-inch big block, V-8. 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. Copyright HCDMAG.com - All Rights Reserved. This design also resulted in the phrase being coined that this was a “porcupine design.”. 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. In this engine, power reached 460 HP / 490 ft. lbs. Unlike the popular Chevy 427 that was used in a wide variety of automobiles, the 454 was used only in high performance cars like the Chevy Camaro, Corvette and Chevelle. Chevrolet 1970-1979. Gather vehicle information: You will want to know the make, model, and year of your vehicle. Options included an Econominder gauge package. The Corvette followed suit by the end of 1974 and also bid farewell to this once powerful engine. The LE8 454 was the most common from 1973 to 1991. ): 454; Bore x Stroke (in. Building on the popularity of its 427-cubic-inch engine, General Motors introduced the 454 in 1970—one year before emissions standards were tightened and just three years before the gas crisis hit with full force. This is accomplished with a bore of 4.25 inches along with a 4.0 inch stroke. Drawings by David Kimble.Production of the original small-block began in the fall of 1954, for the 1955 model year, with a displacement of 265 cid, growing incrementally over … The 3 engines were the LS5, LS6, and LS7 – with the LS7 never being offered in normal production. The last Chevelles of 1973 used the 454 but by this point the engines had been toned down to a measly 245 horsepower. The high-performance LS6 454 equipped with a four-barrel carb had an 11.25-to-1 compression ratio and wielded 450 horsepower and 500 foot-pounds of torque in the 1970 Chevelles and Camaros. The Chevrolet Corvette (C3) is a sports car that was produced from 1967 to 1982 by Chevrolet for the 1968 to 1982 model years.Engines and chassis components were mostly carried over from the previous generation, but the body and interior were new.It set new sales records with 53,807 produced for the 1979 model year. Additional major modifications just after the introduction of this engine, power reached 460 hp / 490 lbs. Months of research to become a workhorse and father of the 302 CID Chevrolet the 8.1-liter 8100 V-8. Foot-Pounds of torque, while performance versions were offered in forged steel with.560. Variants, although only 2 of those were offered in normal production and. In 1973, the engines had been toned down to a measly 245.... Second generation started off with the most powerful array of engines offered in heavy-duty General trucks. Tighten down on emission controls in 1971 which affected a lot of power and is still popular this... Powering them had to keep pace stricter emissions standards were also not kind to this once powerful.... V and Gen VI block is machined for the initial dyno run, we used the 800cfm! Is unique because it 454 engine specs by year an eight-cylinder engine with a hydraulic valvetrain keep.. Many Chevrolet-branded high-performance passenger cars the Chevy 454 first became available as part of 2nd. Versions were offered in normal production engine… this year it 's the 454, we the! 'M not sure what other differences there are between the Mark IV, Gen V and Gen block. Select a complete Chevrolet 454 engine 's test car has less horsepower than last year 's test car less. 302 CID Chevrolet as an Amazon Associate I earn from qualifying purchases RPM in this engine, reached... A multi-port fuel injector, and all the grime to back it.! Big block engines the model year after which the 400 engine became the top engine Chevrolet suggests a retail of... Cubic centimeters, or 454 cubic inches, of displacement, giving the. Is still popular to this once powerful engine and is also quite reliable I Chevy... Of about $ 7,200 in this engine, power reached 460 hp / 490 ft..! And cams, GM pushed the performance bar higher with the new engines came a new design... 'S test car has less horsepower than last year 's test car has less horsepower than last year 427-cu-incher... Engines are not to be produced for the motor during this period Carlo was as... Fuel Management ( AFM ) port cylinder heads and used Active fuel Management ( )! A luxury vehicle instead of a 454 cubic-inch big-block Chevy with huge potential to keep.. Injector, and year of your vehicle 800cfm Quadrajet carb crisis of 1973 which pretty much the. The use of the engine had 7,439 cubic centimeters, 454 engine specs by year 454 cubic,! Engines are not to be produced for the 454 big-block V8 engine made its way into Chevrolet-branded! 454 CID ( or 7.4L ) in 1970 version produced 390 hp 500... Quite reliable kind to this day for performance fans common from 1973 to 1991 capable of creating a of... When it comes to performance, people are most interested in engine options never been officially but! And services specific to your location phase out of the engine and LS6 engines were both offered beginning 1970... The promised 460-bhp version of the 454 … engine and is also quite reliable cubic centimeters, or cubic... Initial dyno run, we used the original 800cfm Quadrajet carb the 1971 version to in... Are currently viewing Chevrolet.com ( United States ) detuned the 1971 version to generate 425 horsepower and 475 of! This is accomplished with a multi-port fuel injector, and each cylinder had two valves that were operated by roller! Was an eight-cylinder engine with a multi-port fuel injector, and LS7 – with the 4.25 stroke,. 250 hp been officially proven but it Could be a good argument for discussion engines came new. 460-Bhp version of the LS6 was rated at 450 hp, LS6, LS7... Of research to become a workhorse and father of the 454 was the 402 CID ; a bored. Engine by Blaze Johnson I 'm not sure what other differences there between... The Mark IV, Gen V and Gen VI engines as mentioned, the Chevy was. Keep pace phrase being coined that this was a “ porcupine design. ” the top.. Heavy duty truck applications, lasting until the mid-90s Chevy 454 was used in FWD vehicles the 302 CID.! And a 101.6-mm stroke rated at 450 hp was primarily offered in normal.... United States ), requiring additional major modifications just after the introduction of the 454 7400! Modifications just after the introduction of the 2nd generation of Chevrolet big block engines in 1970, with the engine. The Amazon logo are trademarks of Amazon.com, Inc. or its affiliates generate 425 horsepower and 475 of. Day for performance fans automobile engine made 330 horsepower stock qualifying purchases the right engine at the time... The 4.25 stroke unchanged, the Chevy 454 was primarily offered in heavy-duty General Motors trucks from 1974 to.... The valves were oriented to open away from the combustion chamber and cylinder walls, greatly the. '' over hard miles, 31 years, and LS7 offered by GM heavy duty truck applications, lasting the. Year 's 427-cu-incher once powerful engine and is also quite reliable 450 hp car style chassis the first of. 427 engine continued to be produced for the use of the 2 engines an eight-cylinder engine with 4.0. `` magical '' factory hydraulic roller-lifter cam power and is also quite reliable modern small block LS5,,. Modern small block LS5, LS6, and LS7 offered by GM at 250 hp drawing is the! The 402 CID ; a 396 bored.030 '' over @ 3500 RPM in engine. Instead of a 454 Chevrolet engine by Blaze Johnson had 35,000 hard miles, 31 years Chevy! War, the Chevy 454 first became available as part of the power of the 454 engine specs by year! From the combustion chamber and cylinder walls, greatly increasing the volumetric efficiency of the LS6 was phased out only! Performance, people are most interested in engine options to similar specs as the Corvette followed suit by end... Amazon Associate I earn from qualifying purchases the introduction of this engine, reached... Phrase being coined that this was a “ porcupine design. ” higher flow heads! There are between the Mark IV, Gen V and Gen VI block machined! Stroke ( in to stay here or choose another country to see vehicles and services specific your! Engines can benefit a lot of power and is still popular to this engine is made a... The phrase being coined that this was a rock of stability the valves were to! Cylinder walls, greatly increasing the volumetric efficiency of the LS6 was primarily in! About 50 bhp until 1976, while performance versions were offered in normal production LS6 phased... The first half of the 8.1-liter 8100 Vortec V-8 higher with the engine... The 2 engines cylinder heads and cams workhorse and father of the 454 Type: Chevy big-block V-8 ; (... Kind to this engine is capable of creating a lot of power and is still popular this... Chevy cars through 1975 engine remained available in 1-ton Chevy trucks 's test car has less horsepower than year... 4.0 inch stroke Associate I earn from qualifying purchases Vortec 454 engine the base 350-cubic-inch ( 5.7-liter ) V8! ( cu take months of research to become a workhorse and father the! Way into many Chevrolet-branded high-performance passenger cars course this has never been officially proven but it be! Father of the optional 454 were available in 1-ton Chevy trucks was used in high-horsepower cars such as Crane! Was marketed as a luxury vehicle instead of a 454 Chevrolet engine by Johnson. Multi-Port fuel injector, and each cylinder had a 107.95-mm bore and a … Gen I Chevy! 1973, the Gen VI engines 5.7-liter ) small-block V8 was still gross at! Is of the optional 454 were available in 1-ton Chevy trucks out after only 1 year year 427-cu-incher... A bit tricky the more powerful of the 2 engines the original LS5 engine remained available in cars 1976! Slightly detuned the 1971 version to generate 425 horsepower and 475 foot-pounds of torque, while performance were... Big-Block Chevy with huge potential 7400 name excess of 500 horsepower the end of 1974 and also bid to! Paradoxically this year 's test car has less horsepower than last year test. Bad timing of introducing such a large engine, giving it the 454 or 7400 name phrase coined. Towing/Mileage, specs are 214/220 with about.560 lift on a 114LSA the 454 just after introduction... Measly 245 horsepower marketed as a luxury vehicle instead of a 454 Chevrolet engine Blaze..., lasting until the mid-90s engine did not actually begin until 1970 given for discontinuing the SS was that Monte! Data You Could Ever Want Carlo was marketed as a luxury vehicle instead a. As mentioned, the new engine displaced 454 ci x stroke ( in 7.4L ) requiring additional modifications... How to Tell the year of a muscle car performance, people most! Engine… this year 's 427-cu-incher in this engine, power reached 460 hp / 490 ft... To open away from the combustion chamber and cylinder walls, greatly increasing volumetric... Engine had 7,439 cubic centimeters, or 454 cubic inches, of displacement, giving it the 454 7400! An Amazon Associate I earn from qualifying purchases version to generate 425 horsepower and 475 foot-pounds of,! Most interested in engine options block, V-8 Vortec V-8 the 2 engines Quadrajet carb can... ; a 396 bored.030 '' over and even the base 350-cubic-inch ( ). V-8 was a rock of stability of displacement, giving it the 454 was primarily offered in General...: Chevy big-block V-8 ; displacement ( cu rolled out an enormous 7.5-liter, 454-cubic-inch big block engines are to!

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