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The LT-1 is a Chevrolet small-block engine produced by the Chevrolet division of General Motors between 1970 and 1972. It was available exclusively in the Corvette and Camaro and was produced in relatively small quantities. It is regarded today as one of the greatest of the Chevrolet small-blocks, an engine that has been in production since 1955.
General Motors has produced three different engines called LT1: 1970–1972 LT-1 – Chevrolet Generation I Small-Block; 1992–1997 LT1 – GM Generation II Small-Block; 2013–(current) LT1 - GM Generation V Small-Block.
It included the special equipment in the ZR1 package, but for the 454 LS-6 engine. Per GM policy, 1971 Corvette engines were detuned to run on low-lead fuel, except for the LS-6 V8, which was rated at 425 bhp (317 kW) on premium fuel. 188 cars in the 1971 model included the LS-6 engine, with only 12 with the ZR-2 package, including only 2 ...
The 1982 L83 was again the only Corvette engine, producing 200 hp (149 kW) and 285 lb⋅ft (386 N⋅m) of torque from 9.0:1 compression. Since GM did not assign a 1983 model year to production Corvettes, there was no L83 for 1983. [22] This was also the only engine on the 1984 Corvette, at 205 hp (153 kW) and 290 lb⋅ft (393 N⋅m) of torque.
The all-aluminum big-block 427 cu in (7.00 L) ZL-1 engine was also new for 1969; the special racing engine was listed at 430 hp (321 kW; 436 PS), but was reported to produce 560 hp (418 kW; 568 PS) and accelerated a ZL-1 through the 1 ⁄ 4 mile (0.40 km) in 10.89 seconds.
The Chevrolet small-block engine refers to one of the several gasoline-powered vehicle engines manufactured by General Motors. These include: The first or second generation of non-LS Chevrolet small-block engines; The third, fourth, or fifth generation of LS-based GM engines; The Chevrolet Gemini small-block engine