Review on AR9100 Friction Modifier - 1 Gallon Bottle For Treating Up To 128 Quarts Of Engine Oil by Steven Harmon
Awesome additive on my review.
I have been using this for years. It insanely improves Mileage and same with engine wear. Get even better mileage pu adding to t rd and mission auto.or manual and differentials can also be used in power steering.
Pros
- My truck runs and sounds different while running archoil. Smooths out idle, with more noticeable power.
Cons
- Pure snake oil, no benefits whatsoever
