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.

fuel pressure and injectors

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Old 08-17-2007, 02:39 PM
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blackbeautysn95
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Default fuel pressure and injectors

i bought a 91 mustang with a 302 out of some other car than a mustang. not a truck. andits a roller engine. i put my ported h.o. intake on top with a bigger tb and tb spacer as well as some kind of maf sensor. its hard to tell what mm they are. my question has to do with my regulator, i bought a bbk regulator and a bbk 155 lph fuel pump as well as 24 lb injectors. they said the maf sensor wont work with the injectors, that true? and if so what will it do. (i don't know the exact size of mas)

other question is... what should i tune the regulatorto for pressure? (with stock injectors)
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Old 08-17-2007, 03:27 PM
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Texas5.0
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Default RE: fuel pressure and injectors

You have to have the mass air calibrated to the injectors. The car may run but it will run like crap.
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