5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

RUNNING RICH

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Old 06-28-2008, 09:24 PM
  #1  
quickfast50
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Default RUNNING RICH

SHE ACTING REAL SICK NOW. I HAVE A 89 FOX. WITH ALOT OF MODS. I BELIEVE MY INJECTORS ARE BAD. SHE GOT A 331 STROKER WITH HOLLEY UPPER AND LOWER, HOLLEY HEADS, 24LB,75MM MASS AIR,65MM THROTTLE BODY,E303 CAM AND CHARGER. WHAT CAN BE THE PROBLEM.
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Old 06-28-2008, 09:30 PM
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mjr46
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Default RE: RUNNING RICH

explain the issue at hand please!
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Old 06-28-2008, 10:34 PM
  #3  
aode08
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Default RE: RUNNING RICH

Check the ground wire to the O2 sensors(tan) that was on the rear of your old heads you took off.

Check the fuel pressure as well.

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