Quote Originally Posted by drewzilla03 View Post
i am installing a new air intake, 180 t-stat, headers, plugs and wires on mon (pully drop and pcm next month). i'm thinking al104's?...same gapping? will it need to change with pully drop? also with those mods is 3.4, 3.5, or 3.6 pully appropriate?
Depends on your car...

'97-'03 would take a 3.4" with AL104's gapped at .050"-.060", accordingly.

'04+ would need a 3.6"...Probably keep some AL605's in there honestly...you want the hottest spark you can get away with...not the coldest.