1G DSM (7-bolt): Mobile1 10w30 from 63k-95k miles over 3 years, stock-280whp@RS
issues:
-I sprung a leak somehow and it got all over the timing belt
-I broke an oil squirter. Pulled oil pan and replaced it, then above leak occurred)
2G DSM (6-bolt swap): Mobile1 10w30 from 70k-105k miles over 2.5 years, 180-300whp@DB
issues: none.
Evo8 (7-bolt): Mobile1 10w30 from 21k-81k miles over 3.5 years, 210-430whp @ DB. Occasionally ran M1 5w30 in the reeeeally cold parts of winter, but idk if it was worth doing (this was when the car was under 350whp).
issues: none, I'll have to take pics when Jim pulls the bottom-end apart.
EvoX (7-bolt 4b11t): Mobile1 5w30, 10w30, and 5w40 mix, whatever I had leftover b/c I had no idea what was in it when I bought it. Will be sticking with M1 10w30 for now.
issues: will report back