Quote:
Originally Posted by Tokay444
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This should be no surprise. If running track-only and you want viscosity in the range it is for "normal" 190F-220F temps, guess what? You need 50-weight to get there.
However if you are running limited sessions on track in your street car and don't want to change oil before and after *every* track event, maybe 5w30 or 5w40 is a better choice...