Quote Originally Posted by rrutter81
dyno tune just for a pulley?

you do realize there is no such thing as a "pulley diameter" sensor? Its based off a map table. So he can run a bigger or smaller pulley and the map will correlate it regardless.

The CAI is another story. That will adjust LTFTs and lean out WOT. The pulley however, will not.
LOL! You do you bro!