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  1. 5.0/5.8 Engine Tech
    hey forum, recently i had a tubular gt40 intake, gt40x heads, and ford performance headers installed onto my 1993 5.0, and as soon as i got the car back it was having an issue, whenever i went WOT the car just lost power and will backfire near 2500 rpm. I've already checked that the spark...
  2. 5.0/5.8 Engine Tech
    Hey everyone, Long time lurker, first time poster. ive got two mustangs, an 88 lx and a 1990 lx. both 5.0s with the 88 being manual and the 90 auto. ever since ive bought these cars theyve both had problems running at low rpms under load. what seems to happen is the idle will be rough, once you...
  3. GT & SOHC
    Ok I need your help guys..i've done everything i've known to do. So here goes: my 95 Mustang is completely stock except for a cold air intake system and I had the two catalytic converters furthest from the engine removed to make the car louder and that is it. Now heres the problem-my car would...
  4. 5.0/5.8 Engine Tech
    Hi folks, I have an '83GL that I am bringing back to life. I've installed an '88 roller block with mild Crane cam, MSD, stock ported intake, ported E7s, and stock 4160 carb. Timing is set at 15 deg initial and 35 total. I've been out driving it a bit to start working on a tune and decided...
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