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Author Topic: Hey guys, need your help for a 5.0L  (Read 3033 times)
dannyboy90gt
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« on: September 29, 2010, 09:13:23 am »

I have a 1990 Mustang 5.0L it breaks up on acceleration. I have recently replaced the following- Ford 02 sensors, Ford Ignition Module, Autolite Plugs, Beldon Wires, Autozone Fuel filter, Duralast cap, Duralast rotor button, Duralast coil, Reman Distributor from autozone as well. I am out of ideas of what it could be? The fuel pressure is at 34 but it is located in the engine bay so I can't see it while driving. Any help would be greatly appreciated!
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87coupe50
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« Reply #1 on: September 29, 2010, 09:23:24 am »

is the fuel pressure at 34 with the vacuum connected? What is the gap you are running on the plugs?
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Dart SHP 363, 190 FAC, Victor 5.0 EFI, 70mm T/B, DBX-97, MSD 6AL, Glenn's 1000Hp fuel system, S.D. 60lb'ers, V-2 S-trim - 3.7/6.87 8 rib, TKO 500,Translock 31 spline, 3:73, tubular K,Strange 10-way, Baseline Street Launch UCA, A/C : QH, BE/EA (A9P)
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RunninHorse
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« Reply #2 on: September 29, 2010, 10:28:13 am »

Check resistance in the plug wires too.  Check your cap and rotor.
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I'm Rob.  Working on my '93 Reef Blue coupe.  Stock internal 302, 80 MAF, 75 TB, Victor 5.0, High Ports, 30# inj., B303, 1.6s, Tremec TKO 3550, Quicktime bell, Fidanza Al flywheel, stage 3 ceramic clutch, & 4.10s.  12.68 @ 111.69
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dannyboy90gt
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« Reply #3 on: September 29, 2010, 11:24:06 am »

 I'm sorry I posted in wrong section. I was reving my car from under the hood and the fuel pressure shoots up to 45?
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dannyboy90gt
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« Reply #4 on: September 29, 2010, 11:30:06 am »

Its also smoking from the left bank on the exhaust, it is on the right to but not much. It may just be on that side cause of the h-pipe crossing. The guy that had it before me had NOS on it which I took off....
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