What was the bhp of a 1971 Chevy Chevelle?
What was the bhp of a 1971 Chevy Chevelle?
The LS5 454 was a $279 extra for the SS group. It had 365 bhp and went into9502 of the 19,293 Chevelle SSs (including El Caminos) Chevy built for 1971. Chevy had taunted enthusiasts with word that the majestic 454-cid LS6 would be back for ’71. Compression would be a modest 9-0:1, but output a still-formidable 425 bhp.
Why was the Chevy Chevelle SS 454 made?
Chevy, like all of Detroit, was struggling to cope with a world that had changed overnight. Emissions standards had forced a switch to low-lead fuel, which in turn cut compression ratios, while insurance surcharges on supercars prompted tamer power-to-weight ratios.
What was the compression ratio in a 1971 Chevy Chevelle?
Compression fell to 8.5:1, from 10.25:1, but output actually increased by five horsepower, to 365, though it peaked 600 rpm lower than in ’70. Torque was down by 35 lb-ft.
What was the price of a 1970 Chevy Chevelle?
The 402-cid four-barrel cost $173 and had 300 bhp, 50 bhp below the previous year’s base SS engine. To retain the hallowed SS 396 badging, Chevy had called the 1970 402 a “396.”
When did the LS6 454 come out on the Chevelle?
The famed LS6 454 from the 1970 Chevelle was initially said to be part of the 1971 model year, though none were put into any of the ’71 Chevelles. Since the 454 was the only engine that required an SS package, many see the SS package for 1971 as mainly a show piece, more than translating into performance.
The LS5 454 was a $279 extra for the SS group. It had 365 bhp and went into9502 of the 19,293 Chevelle SSs (including El Caminos) Chevy built for 1971. Chevy had taunted enthusiasts with word that the majestic 454-cid LS6 would be back for ’71. Compression would be a modest 9-0:1, but output a still-formidable 425 bhp.
What kind of muscle car was the 1971 Chevelle?
Many other mid-sized muscle cars reached their pinnacle in 1971 including the 1971 Dodge Charger, the 1971 Pontiac GTO and the 1971 Buick Gran Sport. The 1972 Chevelle was the last of this year of this body design.
What was the compression ratio on the Chevelle SS 454?
Compression would be a modest 9-0:1, but output a still-formidable 425 bhp. It was never released for public sale, however. Instead, the hydraulic-lifter LS5 returned as a $279 option on top of the basic SS package.
