I never altered the boost pressure that came stock from the kit. I am not to sure what the greddy box does so i can't trouble shoot any sensors because I don't know what to look for. The Unit that I am using is a holley boost sensitive pressure regulator. So only when boost accures the pressure is aplied. The regulator is fully adjustable. My problem is that something is wrong somewhere in my car so I am just trying to fix it by throwing more fuel into the engine.

The kit is supposed to work on completely stock motors. Which mine was for the most part. The only reason I started adding all of the extra mods is because one day all of a suddon I was running lean..... The kit ran fine for about 3 months on stock parts without any mods.