Quote:
Originally Posted by SWZL11LE
So what is the definite answer on this. I read 13 pages of replies and I am a bit more confused. Too many varying answers throughout the replies.
Is the 0W40 ESP okay to use on cars that are tracked or not?
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Yes it is perfectly fine...Is it as heavy track-duty as the 15W-50? No. Will it matter? Well, if GM/Mobil 1 both say it's track capable in the faster C7 Z06 and the ZL1, that's good enough for me. At operating temperature, the weights are 40 vs 50 and both of those are capable. The difference is at cold temps, 0w is easier on the engine. 15w is heavier and the car should be carefully warmed up before aggressive usage.