I can only speak for EEC4, but this mod made a BIG difference for my engine. Also, I have other mods which may have complemented/augmented it. I cracked the stop approx. 7/8 of a turn. Best mod in my books when looking at cost vs. benefit.


Technical Director/Co-Owner Performance Fords-check out our new throttle body service
95 SE with lots of custom 1 off mods. All design, fabrication and installation by owner.