Originally Posted by Duffyjr
Isn't the T5 10w30 CK- 4 still high in zddp or is this thread to old?
https://www.bobistheoilguy.com/forums/ubbthreads.php/ubb/showflat/Number/4377748/Searchpage/7/Main/268751/Words/%2BRotella+%2BT5+%2B/Search/true/shell-rotella-t5-10w-30-api-ck-4#Post4377748
you're gonna hate this but i would prefer to avoid sopus too, just like i'm not a huge mobil fan. i would use an oil from the following brands: royal purple, valvoline, castrol, oreilly, chevron