Originally Posted by Silver Surfer
Wait hang on a sec...according to that info you posted the life of a flat tappet lifter is 600 miles? I am at work so I don't have time to read all that info you posted yet. But that seems crazy since flat tappets were successfully used since the 1980's. Yes I know the oil formulation has changed, but if Mr Joe Gibbs is touting his awesome sauce oil is good for 600 miles...wow
That's 600 miles in Cup racing with high spring pressures.... just a little different working conditions than a grocery getter.
Gibbs got into the oil biz when his Shell oil sponsorship in the Busch cars went away... and, with it, went the special oils Shell supplied to their sponsored teams.