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.

do I need new fuel rails?

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Old 04-03-2006, 12:33 PM
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likenew94stang
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Default do I need new fuel rails?

I am building a 331 stroker. Trick Flow Complete Upper kit (TW heads, cam, track heat intake, timing, etc), 150-shot Nitrous Express, 24lb injectors.

Do I need a new set of fuel rails? The fuel rails aren't that expensive, however, if you buy a complete kit w/ reg, hoses, and fitting, it's like 550, personally I think it's a rip.

Do I need new fuel rails (Aeromotive), or can I stick w/ stock?
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Old 04-03-2006, 01:22 PM
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Derf00
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Default RE: do I need new fuel rails?

you should get an estimate from a performance shop on what your HP will be with all the mods. If the 24lb injectors are sufficient then you'll be fine with the stock fuel rails as well. If you have to upgrade your injectors, then you need to see what the maximum PSI your stock fuel rails can handle before deciding on an upgrade for those.
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Old 04-03-2006, 01:23 PM
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88BlueGT
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Default RE: do I need new fuel rails?

You do not need aftermarket fuel rails until you hit approx 600 horsepower.
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Old 04-03-2006, 01:31 PM
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likenew94stang
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Default RE: do I need new fuel rails?

I am running a 331 stroker w/ Nitrous. I believe I'll get AROUND 350hp all motor and close to 500 w/ Nitrous...I'll never be close to 600.

Do you all think that the #24 injectors will be ok w/ my application?
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Old 04-03-2006, 01:47 PM
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Vertastang
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Default RE: do I need new fuel rails?

NOpe sell them to me!! LOL JK
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Old 04-03-2006, 03:29 PM
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Tims 88GT
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Default RE: do I need new fuel rails?

if you make 350 on motor and add the 150 shot you are going to be more like 480. your not going to get the whole 150 out of the 150 shot. also if you are using a 5.0 stock block and u are going to make 480 to the tires u might want to think about a better block.
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