Re: Red Line versus Valvoline versus Mobil One?
Jim,
I would appreciate your data as well....
I'm currently running Royal Purple 10W-40 synthetic, and I have Mobil 1 0W-30 and Penzoil 5W-40 in the garage. Please send me your results (you can PM me if you like).
Thanx,
Marvin
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Marvin Robinson
3188 STK/SS
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