Makaco Unanimous asks on our Facebook page about break in oil, with attention paid to powersports engines. First, thanks for the question, Makaco Unanimous. Second, I think I found my name for next season’s fantasy football team. Let’s get to it. Maintaining an engine is a constant fight against wear.
Thanks to Hugh Ashburn for asking this question on our Facebook page. I assume when you say “older,” you mean a classic car or hot rod with a flat-tappet camshaft. Compared to their roller-cam counterparts, flat-tappet cams undergo sliding contact rather than rolling contact.