I used ESP 0w-30 for several 5K mile OCIs in my ‘21 LM2 (no UOAs). I decided to switch to HPL euro oil with the desire to extend to 7,500 mile intervals and possibly longer. After speaking with David at HPL, he recommended using their CK4 oil instead. He stated they have not found any negatives...
Currently in my daughter’s Santa Fe. Bought it when it first released because of $15 rebate and like many BITOGers have little self control. I’ll be switching over to HPL after this run and doubt I’ll ever buy it again
I agree. The manual for my 3.0 duramax even says to use an Additive if top tier isn’t available. Since I bought it new 90k miles ago I’ve used Stanadyne, Hot Shot’s, and Archoil for a few tanks until I realized it had iron in it. Current plan is to finish up my current HS bottle and then switch...