3.1 liter, V-6, VIN T, firing order and engine layout for Chevrolet, Pontiac and Oldsmobile vehicles.. wiring diagrams, and specifications can vary by different engine, transmission, and even accessory combinations, so you may encounter incorrect, outdated, or inadvertent typographical mistakes when using this site... Engine Notes With one notable exception, all of the 60° V6 engines in GM's 2.7/3.1/3.4L family have been conventional pushrod designs with two vales per cylinder. The one exception was the dual overhead cam (DOHC) "LQ1" version of the 3.4L engine produced from 1991 to 1997. The 3.1L V6 utilizes a 3.50" bore with a 3.312" stroke.
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The Chevy 3.1 Liter V6 engine is a widely recognized engine in the General Motors lineup, particularly known for its reliability and performance in various vehicles from the late 1980s through the early 2000s. This engine, part of the GM 60-degree V6 family, was used in a range of models including the Chevrolet Malibu, Pontiac Grand Prix, and many others.. Complete 1995 GM 3.4L Engine Teardown and Rebuild Project by bszopi For the better part of a year, I have been fully engaged in the complete tear down and rebuild and performance upgrade of a 1995 GM L-32 3.4L OHV RWD V6 engine.