Marco Navarro asks on our Facebook page about break in oil, with attention paid to powersports engines. Thanks for the question, Marco. 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.
