- Joined
- Mar 3, 2010
- Messages
- 2,451
Slightly less miles, but I did a cruising/roll race "track" day and already had some issues with shear and dilution last season, so I wanted to check. Car has BM3 stage 1 93oct tune, AA single mid pipe, CTS turbo intakes for mods. Probably going to try the new LL-01 M1 0w40 next summer and report back. I refilled with the same Valvoline this time and will change at 4k.... whenever that is. Open to recommendations for -20f to 100f ambient temp oils that may hold up better, because I'm not seeing much on other forums for better UOAs at this level of mods for upper mid-west climates.