Well i got my car running very well with 55lb injectors and 14psi of fuel pressure my block learn is around 129-132. It worked very well for about 2 days and I went on a 4 hr road trip and now when i push the gas more then 1/3 of the way the car starts missing like it is against a rev limiter. My snap-on scanner is telling me there is no sign of knock my map sensor goes up to 29".

Anyone have anyidea of what might be wrong.

checked timing and set to 0* its got new plugs, wire, cap, rotor,msd blaster coil, Hypertech chip, headers,dual 3" exhaust with x pipe, 55lb inj. @ 14psi, open element filter, Electric fan, carter tbi fuel pump rated at 50gph @ 20psi, Aeromotive external regulator, 2004r and 2.42 gears and a stock rebuild 30over 350.