Q I own a '99 Chevy Lumina with a 3.1-liter V6. This weekend I got a flashing check-engine light with a severe misfire. I took the vehicle to a shop, which told me I had two rocker arms blown right ...
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New GM cylinder deactivation patent filing fixes reliability woes?– Coming for next-gen V8 engines
A recently filed patent details a new GM cylinder deactivation system that appears to be heading to the next-gen V8 engines ...
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