AutoGuide on MSN
GM working to rethink cylinder deactivation technology
General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its ...
GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...
Gadget Review on MSN
Your $30 oil change could cost you $5,000 – because of this $3 part
Quick-lube oil changes use $3 filters without anti-drainback valves, causing dry starts that grind metal and destroy engines ...
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