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Brad Penn, Royal Purple and J. Gibbs are what is being used in the sportsman racer arena.
Jerry |
#2
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When Rotella T lost some of its zinc I went to the Brad Penn 15W40 (mixed) for the street. Its been over a year and it seems to be fine. I know that it smells and looks like the oil in the old days when we bought the Kendall GT-1 over the counter in the 70's.
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