Re: Penn vs Valvoline test results..Ed Wright
Great info thanks for the post, the results are a little surprising to me . What oil and how many runs was on it before you added the Brad Penn , just asking if 20% of earlier oil may have had an effect on the results.? just wondering...
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Last edited by S/ST J718; 01-18-2019 at 12:21 PM.
Reason: more info
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