Using diesel oil for engine break-in? Think again. 🛢️
Modern CK-4 oils lack the ZDDP and protection your fresh engine needs. Learn why break-in oils still matter and how to choose the right one.
🔗 www.tumblr.com/lnengineerin...
#BreakInOil #EngineBreakIn #DieselOil #ZDDP