Boy have I learned a lot about oil in the past 2 days… looking for a definitive answer
I have an audi 2.9t rs5, 2019
It is stage 2 catless downpipes and has no gpf/opf, factory calls for VW 504, but I’m wanting to go with a 40 weight oil, so either VW 511 or 502
My question is, is there any...