Originally Posted by 32krazy!
the tunes arent actually staged tunes. it compliments the add ons you already have or will put on in the future. if you are already tuned for whatyou have on the car a dyno tune might help slightly and pick a few ponies up at a certain rpm range but jerry already did all the legwork with the canned tunes. until you add something that changes the way the air or fuel is delivered, ie: pulley , manis , injectors , headers, you arent going to change much by doing a retune