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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.
Vortec is a trademarked name for a line of gasoline engines for General Motors trucks. The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber , creating a better air / fuel atomization. [ 1 ]
In contrast to the higher-performance 454 SS, the Sport Equipment Package was offered with the 4.3 L V6, 5.0 L V8, and 5.7 L V8 engines. [21] Two-wheel-drive versions were offered with an upgraded ZQ8 heavy-duty suspension option, including heavy-duty shocks and high-ratio steering. [20]
The addition of EFI and picking up the Vortec 7400 name took place in 1996 which was replaced with the Vortec 8100 platform once the 7400 was retired. Chevrolet Performance released the 454 again in 2011 as a small-block crate engine dubbed the LSX454R officially rated at 776 horsepower at 7,000 rpm and 649 lb-ft of torque at 5,100 rpm.
The 305 is sometimes dismissed in performance circles because of its lackluster performance, small bore size, and difficulty flowing large volumes of air at high rpm. However, two variants of the 1983 to 1992 305 were notable performers: the 1983–1988 L69 High Output 5.0L (only used in late 1983–early 1986 F-body and late 1983–1988 Monte ...
The engine is a modified version of the Vortec engine found in the standard Jimmy, which originally produced 190 hp (142 kW). [2] The engine uses a Mitsubishi TD06-17C/8 cm 2 turbocharger producing 14 psi (0.97 bar) of boost and a Garrett Water/Air intercooler , as well as revised intake manifolds , fuel system, exhaust manifolds, and a 48 mm ...
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