Quote:
Originally Posted by AL427SBF
Check out the Mobil 1 Racing Oils (page 2 bottom), if I'm not mistaken those 2 have the highest ZDDP content of any oils discussed so far? If so, and the ZDDP ppm count is the sum total of this debate - I would say the discussion is over (unless you decide to mix you're own).
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More research, Joe Gibbs XP1 ZDDP 5846 ppm, some others even higher, WINNER Joe Gibbs!