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A unique intake manifold that used the 48 mm (1.9 in) twin-bore throttle body from the 5.7L TPI Corvette engine was used on the engine's top end. [9] The turbocharged 4.3 L (262 cu in) was last used in the GMC Typhoon in the 1993 model year. The engine produced 280 hp (209 kW) at 4400 rpm and 360 lb⋅ft (488 N⋅m) of torque at 3600 rpm.
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.
The 267 was introduced in 1979 for the GM F-body (Camaro), G-body (Chevrolet Monte Carlo, El Camino), A-body (Malibu Classic, 1979–1981) and also used on GM B-body cars (Impala and Caprice models). The 4.4 L; 267.8 cu in (4,389 cc) engine had the 350's crankshaft stroke of 3.48 in (88.4 mm) and the smallest bore of any small-block, 3.5 in (88 ...
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
Iron Dukes were fitted with fuel injection (TBI, via a single injector in the throttle body) in 1982. This version was christened the Tech IV, though Car and Driver later ridiculed it as the low-Tech IV. [citation needed] Power output increased to 90 hp (67 kW). [11]
For 1986, throttle body fuel injection (TBI) was used. For 1992 and later years, a central port injection was used. Much like the second-generation F-body 1970–1981 and X-body vehicles, the Astro/Safari (internally designated as the M-body for RWD models or L-body for AWD models) [4] had a bolt-on subframe.