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.

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Old 07-30-2008, 01:45 PM
  #1  
kremer306
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Default computer

I want to run 24 lb injectors but need to reprogram computer what is the best way to do this?
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Old 07-30-2008, 02:10 PM
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PRO50SC
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Default RE: computer

What kinda car? Why do you need to reprogram the computor?
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Old 07-30-2008, 05:43 PM
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Milton
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Default RE: computer

if its a mass air flow car, get a mass air flow sensorthats calibrated for the injectors you want to run.if its speed density iveHEARD(dont take my word)you can run 24's with stock computer but i dont know
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Old 07-30-2008, 07:13 PM
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AdderMk2
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Default RE: computer

ORIGINAL: Milton

if its a mass air flow car, get a mass air flow sensorthats calibrated for the injectors you want to run.if its speed density iveHEARD(dont take my word)you can run 24's with stock computer but i dont know
no you cant. the only way you can PROPERLY run a 24# injector in a SD system is if you increase the overall airflow of the motor by 20%

if you just throw 24# injectors in a SD system, the values in the VE tables will be SO completely wrong, that the car (most of the time) wont even start
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Old 07-31-2008, 12:47 AM
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kremer306
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Default RE: computer

sorry I have a 91 mustang 5.0 bored .30 over with alm. heads trick flow stage 2 cam trick flow intake. for the injection system 80 mm mass off a lincoln cold air intake 70 mm bby throttle body bbk fule pressure regulator set at 50 psi 19 lb injectors. to run 24 lb injectors can I change the computer to a cobra or any other computer or is it best to buy a chip I dont want to buy a new mass air because I have the 80 mm but its set for 19 lb injectors. if I need a chip what is the best one. or what is the best computer
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