Originally Posted by NEED_A_GTS
Mobil 1 15w-50 Racing oil. Has more ZDDP than other oils and doesn't have the EPA sticker on it for this reason. The thicker oil will complement the added heat with TT.
Mobil 1 15W-50 does not have more ZDDP than Joe Gibbs or Brad Penn or equivalent oils. Not sure about the turbo diesel oils. I would assume that the turbo diesel oils have more ZDDP in them as well.
Mobil 1 is a decent oil and I used the 15W-50 religiously when my car was N/A.