1970 Chevrolet LS6 Engine S182 Kissimmee 2018

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1970 Chevrolet Chevelle SS 454 specs, quarter mile, lap times, performance data, top speed, engine specifications, pictures, updated December 2022.

1970 LS6 454 Muscle cars, Car engine, Motor car


1970 LS6 Engine Specs Jump to Latest Follow 15K views 2 replies 3 participants last post by mr 4 speed Feb 5, 2007 I idahochevys Discussion starter 7 posts ยท Joined 2007 #1 ยท Feb 5, 2007 I want to rebuild a 454 for my chevelle that has the engine specs from the 1970 Chevelle 454 LS-6.

1970 Chevrolet LS6 Engine S182 Kissimmee 2018


The 1970 LS5 came with 360 horsepower, and the 1970 LS6 came with an impressive 450 horsepower. Unfortunately, after 1971 the LS6 was phased out, and engineers dropped the LS5's horsepower to 245.. Chevy 454 Engine Specs. The Chevy 454 uses a typical old-school V8 design like you'd find on small block engines like the Chevy 350 or Chevy.

1970 Chevrolet LS6 Engine S182 Kissimmee 2018


The LS6-powered 1970 Chevelle SS 454 had none of the conveniences that 21st century muscle car enthusiasts have come to expect. Its 450-hp rating even falls five short of the current SS Camaro's 6.2-liter V-8. But for legions of Chevrolet fans, this car has it all: limited production, the baddest engine available, and enduring styling.

1970 Chevrolet LS6 Engine S182 Kissimmee 2018


The LS6's stroke measured โ€Ž3.622 inches, with a cylinder bore diameters of โ€Ž3.898 inches, which rendered a compression ratio of 10.5:1. Fitted to the LS6's engine block were 356-T6 aluminum cast heads, which were similar in design to those used in LS1 production.

1970 LS6 Chevelle Goodfriend Motors


In reality, buying the 454-inch LS6 engine in the Chevelle in 1970 was even a bigger deal. On top of the Chevelle's base price of $2,719, the LS6 engine cost $263.30 (a premium of 9.6%), but it was only available if RPO Z15, the SS 454 package, was also ordered for $503.45. That totaled nearly $800 worth of options, a massive 28% spike over.

1970 Chevrolet LS6 Engine S182 Kissimmee 2018


03-03-2005 #1 moparguy Starting The Transformation Join Date Sep 2004 Posts 115 Could someone list the specs of the 1970 454 LS6? Could someone list the engine specs for a 1970 454 LS6 engine. Like the true compression? Did it have forged domed pistons or flat top? Cam size duration and lift? Solid or Hydraulic lifters?

1970 Chevrolet Chevelle SS 454 PRO LS6 Convertible classic muscle


The 450 horsepower LS6 was the most powerful engine offered in 1970. The Cowl Induction system fed cold outside air to the big 780 cfm Holley carburetor. The LS6 used the same block as the LS5, however a 800-cfm Holley four barrel bolted to an aluminum manifold replaced the Rochester Quadra Jet.

Check Out This OneOwner 1970 Chevrolet Chevelle LS6


The Biggest Chevy Muscle Car Motor 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.

1970 Chevelle SS LS6 454 My Dream Car


In 1970, the name of the game was pure horsepower. The LS6 option Chevelle's came with a 454CI engine and used the same engine block as the LS5, however, an 800 CFM Holley (Holley List #4492) carburetor was bolted to the aluminum intake manifold.

1970 Chevrolet LS6 Engine S182 Kissimmee 2018


Back in 1970, Melvin regarded the Chevelle SS 454 with the optional LS6 engine as the ultimate muscle car, given its Holley carb, aluminum intake, rectangular-port heads, 11.25:1 compression ratio, aggressive solid-lifter cam, forged-aluminum pistons, forged-steel rods with 7โ„16-inch bolts, forged steel cross-drilled Tufftride-treated crankshaft.

1970 Chevrolet LS6 Engine S182 Kissimmee 2018


Crankshaft ~ Casting number 3521. * Forged steel. * Stroke 4.00". LS6 Piston Specs. * Domed head used only in this application. * Weight 29.12 ounces. * Impact extruded alloy aluminum. Casting Dates. * The following is applicable to cylinder heads, engine blocks, intake manifolds, exhaust manifolds, and water pumps.

1970 Chevrolet Chevelle SS 454 LS6 Hardtop Coupe muscle classic ss


The '70 version of the LS6 454 was a pinnacle year as, by 1971, Chevrolet started to detune the engine. The block's dimensions and surfaces are carefully checked. Luckily, the LS6 deck did not require machining. This would have erased the very valuable serial numbers that proved the engine's rarity.

1970 Chevrolet LS6 Engine S182 Kissimmee 2018


The 1970 LS6 454, factory rated at 450 hp, was exclusive to the Chevelle and the El Camino. It not only gave Chevrolet intermediates more power than the Corvette that year, it was the most powerful engine those cars would ever have. Part of the LS6's charm was that it wasn't exotic, but made effortless horsepower and torque.

The Ultimate Muscle Car The 1970 LS6 Chevelle Was Americaโ€™s King Of


Documented as one of the greatest Chevelles ever produced, the 1970 Chevelle SS 454 LS6 model was the highest powered Chevelle manufactured in the model's lifetime, which ran from 1964 through 1977, and was the only GM car at the time to have ever topped the horsepower rating of the Corvette.

Chevrolet LS6 Engine Specs, Configurations, & More


Editor's note: A prophesy of the 1970 LS6 Chevelle's place in muscle car history, this road test originally appeared in the May 1970 issue of Hot Rod.. compression ratios of 8.5 to 9.0:1.