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.

injectors and fuel rails

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Old 02-22-2012, 10:18 AM
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stangman33
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Default injectors and fuel rails

ok guys, 2 questions.

question 1: im running a edelbrock victor 5.0 intake, with factory fuel rails. i bought a set of bbk fuel rails that came on an ssi intake used, and am gonna install them on my car. will they work with that particular intake. the crossover tube in the back of the rails looks as if it will cause an issue and the fpr is in the front and looks as if it will be in the way of the intake bolting into place. help. can i use the rails on this intake?

question 2: im running 24lb injectors and bought some 30's. a guy here locally is wanting my injectors in my car at the moment. my mass air meter is calibrated for the 24's. if i sell the 24's to this guy and go ahead and install the 30's into my car and leave the 24 calibration for now until i can get a calibration tube(c&l meter) what will the effect be. too rich or too lean? and will it have any other long lasting effects? can i adjust the fuel pressure to compensate until i get it calibrated right?
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Old 02-22-2012, 06:13 PM
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mjr46
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adjusting fuel pressure past or below spec will not compensate, your ecm has adaptive strategy
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Old 02-25-2012, 05:18 PM
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stangman33
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ok so if i put those injectors in for a few days will it run like pure crap and flood alot or what? and what about the fuel rails? any input on those?
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Old 02-25-2012, 06:40 PM
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mjr46
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if the fuel rails don't work, just use the stock ones, car may run but it won't be efficient
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