
12-21-2013, 10:57 AM
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CC Member
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Join Date: Sep 2013
Posts: 60
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Not Ranked
Lots of threads on this subject here, Brad penn 20-50 works for me. Also Joe Gibbs racing oil 20-50 works great but a bit more expensive. Both have lots of ZDDP and can't be used on a car with a catalytic converter.
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