[suprafly79]

What do you guys think about installing an unorthodox racing pulley set on the supra....
is it worth doing or will it do more harm than good?????:smoker:

 

[Mighty Mouse]

I have heard that it would damage your engine, cause to much vibration on the crank etc. etc. I installed mine back at about 85K miles. I now have 130K miles and its all happy. BPU and 6spd. I hear autos are a definatly no with it.

 

[DuCeY DuCe]

i know a couple of people who screwed up their engine from underdrive pulleys. i would recommend against it. but i also know a lot of people who have had them on for 50,000+ miles with no problems. its your car your decision. oh yeah i know 1 person with a supra that had them and it seems the pulleys are the cause of his engine dying but hes not sure yet.