help 5.0 gt

  1. N

    Progress Thread 1984 mustang gt350 will not start

    My mustang stopped starting and did absolutely nothing I found out that if I put my key in the on position with the clutch safety switch jumped I can start the car through the starter solenoid and it will run but there is a yellow with green wire that I am assuming goes to the ignition maybe...
  2. M

    Fuel Fuel Gauge stuck on full no matter what

    I bought my 1987 5.0 convertible in March. Since the day I got it, it's been stuck on full even though I've been driving it a lot. What could the problem be?
  3. 5


    I drive an '89 Mustang GT automatic I got in a front end collision last year and the damage went all the way to the fan, completely dented the radiator support. I replaced all necessary parts, fan radiator, ac condenser, welded front end back on and put in a new front bumper and hood. The car...
  4. 8

    Engine Turbo fox build hot start issue

    Hi new to the page and in desperate need of some guidance. I have a 89 fox 5.0 with an on3performance turbo set up and for the life of me cannot figure out my hot start issue. Car has 60lb injectors, 340lhp fuel pump, new high torque starter, new coolant temp sensor, new plugs, wires, cap...
  5. B

    WTB/Trade sn95

    I know this is a long shot but can’t find one anywhere, does anyone know of a v8 manual 1993-1999 mustang for sale? I don’t mind if it doesn’t run, needs a transmission, missing parts, anything as long as the engines in there and it has a solid body, I want to find a decent condition body for a...
  6. C

    92 fox 5.0 won’t fire, pump issue?

    What tells the fuel pump to shut off after priming? When I cycle the key on, The pump turns on and never shuts off. Bad pump? 1992 mustang GT 5.0 Will fire /Run on starting fluid has spark, correct plug order Ignition switch replaced Has 40 or so psi at the rail Injectors are getting 12v off...
  7. D

    Electrical 88 5.0 Tach diagnostic help

    First post here. I’ll get straight to business. I have a 1988 5.0 Im currently restoring and the tach is dead. I have removed the whole harness during the resto and gone through it from the ecu to the engine. The tach only moves when cranking the engine to about 100-200 rpm. I have tested the...
  8. J

    1985 mustang gt 5.0L carb (M) serial code engine wiring harness and under dash wiring harness

    hey I have a 1985 mustang gt carbureted and someone before me chopped up the wiring under the hood and dash, really need help finding a new harness so I don't have to keep dealing with this nightmare electrical situation, should I take it to ford or a local mustang shop or an auto electrical...
  9. E

    Engine Fox mishimoto radiator

    IM NEW.TO FOXES BEFORE SOMEONE START JUDGING Ok so i ordered at pepboys a new mishimoto radiator cuz mine is leaking, mine currently have a 3 row mishimoto radiator but since i wasnt the one who bought the radiator the warrany doesnt cover it, well to keep on the story, i.went and ordered a new...
  10. L

    88 gt wont start unless sprayed with starting fluid

    88 gt small cam crane cams coil, exhaust etc etc. Wont start without starting fluid has new iac valve tps and is a mass air flow car was converted by previous owner, runs rough upon starting wandering idle smokes a bit then will make a suction noise and and the idle smooths out and doesnt smoke...