Thread: Which oil do you use
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Old 04-12-2016   #141
Mystic ZR-1
 
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Join Date: Jan 2010
Location: Mystic CT
Posts: 2,632
Default Re: Which oil do you use
Why is 10w40 so popular?
GM said 10w30.
Ya know, they're really smarter than we give
them credit for...
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