Went w; my buddy in the 93 cobra every time prior he failed, he's running rich b/c the computer we think but anyway. didn't pass the first couple pulls then what it looked like the guy went from 1st to 3rd to get up to speed and he passed by 2 thousanths. It was nuts but if your close bring it out there, prior we always went to schaumburgh. This is why i have mine reg. in MICH> Thought this might help some of you good day