Well, 30-35 thousandths is very old school tech about turbos.

I won't say NOT to do what Terry says....but I will say that you should take a look and see what the '03 cobra runs in plug gap, or the late model lightning pickups.

Then decide from my hands on, from Terry's advice, and what the Factory says. Remember, the supercharged Fords are around 10psi.


Former owner of '99 CSVT - Silver #222/2760 356/334 wHP/TQ at 10psi on pump gas! See My Mods '05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red '06 Mazda5 Touring, 5spd,MTX, Black