Quote:
Originally Posted by Jim Hanig
Randy was it the same weight oil 10x30 to 10x30 . I have tried every thing from 0x5 to 10x30 not one time did i see any gain.
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Yes. It helped me, but not scientific. Tried it in 3 different cars, with three different engines, and about 3 hundreths on all 3 combos.