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Its solid-lifter cam, known as the "30-30 Duntov" cam named after its 0.03 in (0.8 mm)/0.030 in hot intake/exhaust valve-lash and Zora Arkus-Duntov (the first Duntov cam was the 0.012 in (0.3 mm)/0.018 in (0.5 mm) 1957 grind known as the '097, which referred to the last three digits of the casting number) the "Father of the Corvette", was also ...
Racing-spec cam, high-flow aluminum heads (casting #s varied by model year) and some upgraded, competition-grade parts: 12.50:1 [b] 430 hp (321 kW) [c] 1969: 1969: ZL1: Aluminum block with open chamber "3946074" aluminum heads (the early Corvette RPO engine featured a closed chamber head); cam even "hotter" than L88's; upgraded parts similar to ...
The Chevrolet 90° V6 family of V6 engines began in 1978 with the Chevrolet 200 cu in (3.3 L) as the base engine for the all new 1978 Chevrolet Malibu.The original engine family was phased out in early 2014, with its final use as the 4.3 L (262 cu in) V6 engine used in Chevrolet and GMC trucks and vans.
For the 1990 model year, GM replaced the 2.0-liter engine with a stroked version displacing 2.2 liters and using throttle-body fuel injection (TBI). Commonly called the 2.2, it produced 95 hp (71 kW) and 120 lb⋅ft (163 N⋅m) of torque. Applications: 1990–1991 Chevrolet Beretta; 1990–1991 Chevrolet Cavalier; 1990–1991 Chevrolet Corsica
The LQ1 (also called the Twin Dual Cam or TDC) was a 3.4 L (3,350 cc) DOHC V6 engine ("X-code") based on the aluminum-headed second generation of GM's 60° engine line, sharing a similar block with its pushrod cousins, the 3.1 L LH0 V6 and the then recently retired 2.8 L (2,837 cc) LB6 V6.
For 1991, the 700R4 was renamed to the 4L60. The TBI (throttle body injection) system used on the Blazer's standard 5.7 liter V8 had longer throttle shaft bearings, new throttle return springs, and improved fuel mixture distribution. The 5.7 liter V8 also had new heavy-duty intake valves and powdered metal camshaft sprockets.