Originally Posted By: volk06
Originally Posted By: LeakySeals
Originally Posted By: volk06
Originally Posted By: LeakySeals
According to the UOA's on here the only 10k OTC oils are M1 and Pennzoil.
Castrol edge TBNs are higher than pennzoil or M1 in extended drains, so don't forget that one.
I have hate for anything with a "C" if used on a Toyota.
M1 response states the TBN goes to 2 rapidly and stays there for 10k and beyond so I'm not sure hot important TBN is over TAN.
With a stable and adequate TBN the TAN would skyrocket.
What do you have against castrol oils? I was never a fan until I tried some edge with ti.
I've asked and kept track of oils that failed on Toyota's for the last 5 years leading to oil consumption, deposits, sludge, etc. 80% of the time it was/is/continues to be Castrol. Assumption is volatility issues in aluminum engines. Nothing with C can handle the heat. People don't agree, but I'm sorry. DON'T use Castrol in a Toyota engine! Toyota thinks so too I guess, why they created their own brew, which is too late for most, cause the damage is done. Clogged piston oil return holes.
I don't care, want the best oil for my Toyotas. Research says Castrol is a bad Match for Toyotas if you want 300k