i realized that when i read 1.45 bars at my greddy boost gouge. i read 1.38 bars at my greddy profec b spec 2 electronic boost controller. i am so confused. which one i should belive

This post has been edited by tufy: Jul 24, 2006 - 7:19 AM

Both are acurate, i got the same then i installed Boost gauge (defi) on a GT4 of a friend and Spec B II greedy boost controler...

I bet Boost controller might be more acurate cuz its a electronic device, and it MIGHT count a bit more acurate.. cuz on the gauge you are looking at the needle..