Originally Posted By: camperbob
IN our racecars, fuel dilution was why we started with a 50wt. With the clearances ran in piston/ring/cylinder areas, until the engine was at full temp, it would allow a small amount of dilution, and without fail every week the oil smelled like alcohol, even though no abnormal wear was shown. While I only know our engines, and our form of racing, our engine builder constantly saw more engine wear with Synthetic, over say a VR1, or Brad Penn Dino 50wt. He had us and a couple other teams on a strict Synthetic diet for a season, and the following season, we were all back on dino
Roundy-rounders, or 1/4 milers??