I just put in a GT40 intake on a 1992 GT 5spd w/equal shorty headers, H-pipe, 70mm Maf,24lb injectors, 65mm TB., 373's. What's the vaccum reading at intake suppose to be? Also what should be the fuel pressure.Thanks.....
if you didn't change the cam, then i would think the the vaccum wouldn't have changed. if it is the stock cam, then i guess that anything above 15#'s is good, i think my stocker was pulling around 21#'s. the fuel pressure, start with 39#'s with the vaccum line off and go from there.