No, they don't, it's the SCT chip. Yes, chips can be a pain in the butt because they need to be pulled to be tuned, but I have the SCT chip with a custom tune and that thing is awesome to say the least. Cleared up that lag 5.0s suffer in the upper RPMs due to a restrictive spark advance.
__________________
Trinity 99 Mustang SVT Cobra 280 rwhp, 290 rwtq
Selena 95 Mustang SVO GT-40 250 rwhp, 275 rwtq (Under Reconstruction)
00 Mustang V6 (sold)
98 Mustang V6 (sold)
|