AMSOil 5W30 uses Viscocity Index Improvers.

Mobil 1 5W30 does not.

Simple choice really... :p

I was all ready to try some AMSOil until I found that out... I still think they make a good quality oil, just not wanting to run it in my high strung motor.


2000 SVT #674 - Check it out!

Whoever coined the phrase; "If it ain't broke; don't fix it" ~ Just doesn't get it...