Originally Posted by Big H Killa
Alright this mod make any difference in the leaness or richness of you're car. The reason i know this is b/c my brother in law just got a couple tachs put in and one of them happened to be an Air/Fuel Gauge. He was running a little rich when he came home and I was truning the screw all sorts of ways and it didn't really make any difference in his rich or leaness. But I do believe it helps with you throttle response b/c he mentioned to me that his car feels like the response is a little better.