i should be ordering my 3.73 tomorrow. but was wondering when i get them . will i have to do anything to the ecm or tranny. after the install. or will it run okay ? i wont be able to tune it for another month or so. or should i wait till i can get it tuned? 3.73 or 4.10? this is my first performance mod.
http://speed-eng.com/store/product_info.ph...roducts_id=2640
http://speed-eng.com/store/product_info.ph...roducts_id=2642