Ok i see alot of talk about underdrive and dampened crank pulleys, obviously dampened is better but anyone have an under drive that has put some miles on there car???
I have an sc3 with ge motor btw

UNDER DRIVE..
driftmotion pulley set?
UR?

anybody running dampened crank pulley? if so what kind?

just trying to get some more ideas

thanks guys

 

ask 1siksc