Chevrolet Chevelle SS LS6

Chevrolet’s Chevelle SS evolved through the 1960s until reaching its peak incarnation as the ultimate muscle car, the 1970 LS6-powered SS454, which was endowed with the highest horsepower rating of any production car to that point in history. The LS6 was an engineering wonder packed with a forged steel crank and connecting rods and forged aluminum 11.25:1 pistons. Fed by an 800cfm Holley 4-barrel on an aluminum dual-plane intake manifold, the LS6 breathed through high-flow closed-chamber heads with the aid of Chevrolet’s hottest production solid-lifter camshaft. The resulting factory rating of 450 HP and 500 lb-ft of torque was significantly lower than actual dynamometer readings of over 500 horses.

The 1970 Chevelle SS454 had more than horsepower to recommend it, however. Revised styling gave the car a more muscular appearance emphasized by bulging fenders, a larger front grille and a domed hood with available cowl induction, all qualities embodied in this purposeful LS6 coupe that is one of three “Red Cover Girls” from the Mike Guarise Collection that includes Lots S152, a 1970 Oldsmobile 442 W-30 Sports Coupe and Lot S153, a 1970 Pontiac GTO 455 4-speed.

The red Chevelle was part of the Mecum St. Charles Auction in October, 2012. The black and green Chevelles were part of a January 2013 Mecum Auction in Kissimmee, Florida.

Source: Mecum Auctions

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