Quote:
Originally Posted by Paul Workman
Considering the well established fact that ZDDP is important to flat tappet motors (from personal experience with a SBC motor too), If I assume those indicating Mobil 1 are using the oil of the current API "SN" rating (read: much reduced ZDDP levels), am I alone or does that bother anyone else to think so many ZR-1s are "in harms way"? ARE they in harms way?
p.
|
I've been using Mobil 1 High Mileage, which has close to the correct levels of Zinc.