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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 ]
Introduced as a performance engine in 1967, the 350 went on to be employed in both high- and low-output variants across the entire Chevrolet product line. Although all of Chevrolet's siblings of the period ( Buick , Cadillac , Oldsmobile , Pontiac , and Holden ) designed their own V8s, it was the Chevrolet 305 and 350 cu in (5.0 and 5.7 L ...
The fuel-injection system for the Vortec 8100 is nearly identical to that used on Gen III small-block engines, right down to the fuel and spark tables in the ECU. [64] GM sold the Vortec 8100 to Workhorse (now a division of Navistar), making it one of the most popular engine choices in gasoline-powered Class A motorhomes during the early 2000s.
i just bought a 1999 cmc pickup it has the 4.8 vortec i am getting antifreeze in the oil took the valve covers off one head looks like new the other one has alot of sluge i heard the gm used two comp. for the heads they had problems with one of them cracking i was woundering if anyone has any info about this and what to look for thanks ...
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 LB1 used in trucks and vans was referred to as Vortec in Chevrolet literature (named after a combustion chamber design known as a swirl port which twists the fuel mix from the intake ports as introduced with the Cavalier's 2.0L engine), and this name continued to be used with all truck and van 4.3 L (262 cu in) V6s until 2014.
Performance modifications by RacingLine bring the Jetta GLI Performance concept’s output to 350 hp and 372 pound-feet of torque—up from the stock model's 228 hp and 258 pound-feet.
Also called the GM small corporate pattern and the S10 pattern. This pattern has a distinctive odd-sided hexagonal shape. Rear wheel drive applications have the starter mounted on the right side of the block (when viewed from the flywheel) and on the opposite side of the block compared to front wheel drive installations.
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