My first oil change in my PT Cruiser Turbo I switched to M1 SuperSyn 10W-30. Just saw a jug of Tri-Syn 5W-30 SL/CF for about $3.50/gallon. If I read these posts correctly, the SL version of Tri-Syn ran pretty good numbers. Any problems with switching/mixing the SS and TS?
Thanks.
Thanks.