This engine is made using a cast iron block and heads. Compression would be a modest 9-0:1, but output a still-formidable 425 bhp. The Chevy 454 was a very powerful engine and is still popular to this day for performance fans. Show more Images Compare with another car. This engine produces a maximum power of 274 PS (270 bhp - 202 kW) at 4000 rpm and a maximum torque of 529.0 Nm (390 lb.ft) at 4000 rpm. 325 hp @ 4800 Chevy produced four versions of the 454, but only three made their way to production cars. The 454 V8 was a member of Chevrolet’s existing Mark IV engine family, which started with the 396 V8 of 1965, evolved into the 427 V8 for 1966, and matured with the 454. Car Guy. The LS6 was phased out after 1971, and the LS5’s power had dwindled to about 245 horsepower by 1973 thanks to stricter emissions control. It's a sexy car except for that hideous lump on the hood. Transmissions: standard gearbox is floor-mounted, wide-range 4-Speed, 2.52:1 low gear. I don't believe the top speed stated here. It had 365 bhp and went into 9502 of the 19,293 Chevelle SSs (including El Caminos) Chevy built for 1971. 1 . Reply. Those who want to be comfortable and avoid the mechanical hassle but still go fast should opt for the LS5, the 365-hp 454. Camshaft number = #3863148 Camshaft Intake duration @ .050" == 242° Coupe only and only 1 that ever produce with estimated Top Speed @ 180 mph. Chevy had taunted enthusiasts with word that the majestic 454-cid LS6 would be back for '71. 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. Adding the $263.30 Z15/LS6 package netted the famed 450hp LS6 V-8, making the 1970 El Camino the hands-down fastest truck on the planet. The 454 did last longer in heavy duty truck applications, lasting until the mid-90s. Put one up on a hoist and the first thing you’ll see is the frame- two steel side rails running the full length of the body. this car is very popular in my roads. You are currently viewing Chevrolet.com (United States). Chevrolet. 454 LS5 with ZL2 hood option. @Fastestlaps The Chevelle SS looks clean and straight Curb weight. 1971 Corvette production included 14,680 coupes and 7,121 convertibles for a total of 21,801. Different day, different driver, so hard to judge. Spark Plug Torque 25 lb.-ft. The 365 hp (gross) engine had a net rating of 270 bhp. The engine originally had 3 variants, although only 2 of those were offered in normal production. As American automobiles grew in size and weight following the Second World War, the engines powering them had to keep pace.Chevrolet had introduced its popular small block V8 in 1955, but needed something larger to … These are braced with five cross-members into a rigid structure. Show more Images Compare with another car. The Chevrolet Chevelle SS 454 is said to be a well-preserved, all-original muscle car. lsx454. Also available: the 460-hp Turbo-Jet 454 with a large 4-barrel carb, high- performance cam, mechanical lifters, aluminum cylinder heads and a full-transistor ignition system. 1970 Chevrolet 454 w/LS5 engine. The LS7 never saw production for standard Chevys, but was a crate, or replacement engine, for custom Chevys and tuned to deliver as much as 500 horsepower. It's Corvette with 454 LS7, @ mike b : I got this data from thishttp://www.automobile-catalog.com/ They didn't say the specific engine so i just say it's LS5 cuz it's commonly use in 1971. I think you'll need at least ... 4.64 m (183 in) long, 1.75 m (69 in) wide, 1.21 m (48 in) high, Muncie M21/M22 close ratio 4 Speed Manual. It wasn't on slicks It was actually on Pzero Corsas which were the most ... 999kg is for sure not true. The LS5, which featured a new, larger combustion chamber design, used the same cast-iron heads as the SS 396's 350hp engine; with hydraulic valve lifters, a 4.25 x 4.00 bore and stroke, a 10.25:1 compression ratio, 4-bbl. The pistons used for regular versions of the engine were cast iron, while performance versions were offered in forged steel. The LS5 454 was a $279 extra for the SS group. As mentioned, the Chevy 454 first became available as part of the 2nd generation of Chevy big block engines in 1970. Coupe. The valve covers were painted orange just like the rest of the engine. This big engine is capable of creating a lot of power and is also quite reliable. With a maximum top speed of 124 mph (200 km/h), a curb weight of 3527 lbs (1600 kgs), the Corvette C3 454 LS5 270hp has a naturally-aspirated V 8 cylinder engine, Petrol motor. Eric Gerren. Some dealer then sold this engine later in 1971 as exclusive dealer installed using original body of LS5 and LS6 cars. The original LS5 engine was introduced with 390 hp and 500 lb-ft of torque, while the LS6 was rated at 450 hp. Rochester 4MV carburetor and dual exhausts, the LS5 made the aforementioned 360hp at 4,400 rpm and 500 lbs.-ft. of torque at 3,200 rpm. These engines are not to be confused with the more modern small block LS5, LS6, and LS7 offered by GM. = 10.25:1 Horsepower = 350 @ 5200 Torque = 415 @ 3400 _____ I believe these are the correct camshaft specs, for a 1970 Chevrolet 454 w/LS6. Royce I think the difference in the ls5 and the l6 is one had a hyd cam(ls5) and one having a solid cam(ls6). Also gone for 1971 was most of the bright trim in the engine compartment, even for the 454. Most of the ls6 had an alum intake and probably reg port heads. 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. Chevrolet Corvette C3 454 LS5 365hp Automatic Specs (1971 - ) Technical Specifications. 4.64 m (183 in) long, 1.75 m (69 in) wide, 1.21 m (48 in) high. This was the take-no-prisoners 454, with a 800-cfm Holley four-barrel on an aluminum manifold, 11.25:1 compression, solid lifters, four-bolt mains, forged steel crank and connecting rods, forged aluminum pistons, and deep-groove accessory pullies. 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. Spark Plug Gap .033 - .038 inch Firing Order 1-8-4-3-6-5-7-2 Idle Base Engine: 600 RPM (Automatic: 550 RPM) LT1, LS6 Engines: 700 RPM LS5 Engine: 600 RPM This Vette can accelerate faster than 365 hp version and reach 13.7 Sec @ 107 mph. Sales were their lowest since 1962 due to a late start in the production year. This package included a 454-cu.in., 360hp Turbo-Jet V-8 (known as the LS5) with chrome accents, a heavy-duty suspension, SS wheels, power front disc brakes, dual exhausts with chrome tips, wheel arch moldings, a black grille and a chrome rear … 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. This is the 360-horsepower LS5 version of the Chevelle SS 454… This big block engine was an enlarged version of the L88, with an aluminum-head block. Sales rebounded from the previous year's short production cycle, despite the lowering of engine compression ratios to compensate for low lead fuels. But it was 7s faster than ... Hmm, looks like you are right. Big block engines increased from 427 to 454 cubic inches and the powerful 370 hp LT1 small block engine made its debut. It also powered station wagons and the Chevy C/K series light-duty pickups. In 1970, Chevrolet planned to introduce into its performance cars, especially the Corvette, a 454 cubic-inch displacement engine dubbed the LS7. However, the biggest change for the ’70 ’Vette lurked underhood, with the introduction of the big-block LS5 454/390 engine and the LT1 350/370 small-block. The front/rear weight distribution (47/53% with 350-CID engines) results in benefits in traction, braking and reduced steering effort. It also comes dressed with great-looking, orange powder-coated valve covers with engraved “LSX454” logos. Chevy had taunted enthusiasts with word that the majestic 454-cid LS6 would be back for '71. The Pick of the Day is one of the most desirable of big-block muscle cars, a 1970 Chevrolet Chevelle SS 454 coupe, which the seller says is an all-original survivor that looks as good and runs as well as when it came out of the factory.. As an Amazon Associate I earn from qualifying purchases. Wheelbase. The 1970 debut of the 454 was Chevrolet's effort to raise the bar in muscle car performance. The Vortec 8100 marine engine is a highperformance version of the L18 that produces 392 hp and 503 ft-lbs of torque. Then there was the LS6. Can we change the figures to SAE net? Under the hood specifically in 1971 was the LS5 454 cubic inch V8 that produced 285 SAE net horsepower as the measuring stick had changed. This design also resulted in the phrase being coined that this was a “porcupine design.”. 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. Lamborghini Miura P400SV vs Chevrolet Corvette Stingray 454 LS5, Dodge Challenger R/T Hemi vs Chevrolet Corvette Stingray 454 LS5, Chevrolet Corvette Stingray 454 LS7 vs Chevrolet Corvette Stingray 454 LS5, Chevrolet Corvette Stingray 454 LS5 vs Monteverdi Hai 450 GTS, 2008 Chevrolet Corvette ZR1 647 ps, 1530 kg, 2005 Chevrolet Corvette Z06 512 ps, 1437 kg, 2015 Chevrolet Corvette Z06 659 ps, 1598 kg, @ Mike B : Check out that link! The Chevrolet 454 engine was a part of the 2nd generation of Chevrolet big block engines. = 10.25:1 Horsepower = 360 @ 5400 Torque = 500 @ 3200 1970 Chevrolet 402 w/L34 engine. This is accomplished with a bore of 4.25 inches along with a 4.0 inch stroke. 1- Assembly plant – Oshawa, On, Canada (it is noted that only 229 LS5’s were produced in the Oshawa plant and only 138 of these had the M22 Muncie trans.) Spark Plug Gap .033 - .038 inch Firing Order 1-8-4-3-6-5-7-2 The introduction of the 454 engine did not actually begin until 1970. The LS5 engine remained available in cars until 1976, while the LS6 was phased out after only 1 year. V-8, chrome engine accents, dual exhausts, power front disc brakes, a black painted grille, chrome wheel-arch moldings and 14 x 7-inch styled steel wheels. 1487 kg (3278 lbs) Dimensions. Corvette Stingray 454 LS5 specs. The LS6 was phased out after 1971, and the LS5’s power had dwindled to about 245 horsepower by 1973 thanks to stricter emissions control. As for buying a crate motor if can be down. Car type. As for buying a crate motor if can be down. 1971 Corvette Options 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. The LS5 454 featured castiron oval port cylinder heads, a low-restriction air cleaner, high-lift hydraulic lifter camshaft, and dual exhaust to generate 360 factory-rated horsepower. 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