hv been a loyal user for tufoil...
how's this revo engine treatment compare with the tufoil..
in terms of performance and usage..
do i have to add every bottle during oil change..?

p/s: tufoil is edi make a difference for my retro 4banger.. if i change to using revo, is there a difference?

This post has been edited by bugbear1986: May 31 2011, 05:23 PM