Thread: Gains from 3.5" pulley and supporting mods?

Originally Posted by blakgtp

if you are getting a custom tune i suggest going with a 3.6 or 3.5 pulley and adding more timing. depends on your altitude and car though. on my car. i was seeing lot's of kr with the headers, supporting mods and 3.4 pulley. (i'm 2 feet below sea level)

Well, I'm buying a modular pulley setup. If I have tons of KR, I'll up the pulley size.