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 Pump Needed?

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Old 03-14-2007, 08:14 PM
  #1  
CantStopTheFox...
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Default Fuel Pump Needed?

Hello!
I am planning on putting in some 24lb injectors when I do my Head/Cam/Intake upgrade...

I heard that a 190lph pump is recommended...is it?

I am not supercharging it...at least not any time soon, so can I get away with the stock pump?

What do you think?
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Old 03-14-2007, 08:19 PM
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Goosepoop302
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Default RE: Fuel Pump Needed?

get a 255, no reason not to
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Old 03-14-2007, 08:27 PM
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AJRabbit
 
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Default RE: Fuel Pump Needed?

i recently did the 24lb, U/L edelbrock, 76mm MAF, and some other goodies. My motor now hesitates and bogs sometimes when im around 1/2 throttle then takes off hard. Could it be fuel related? I have a stock fuel pump. My pickup sucks. Any suggestions?
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Old 03-14-2007, 09:24 PM
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CantStopTheFox...
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Default RE: Fuel Pump Needed?

If I did go with the 255, will it be too much...or is that what the regulator is for?

AJRabbit...did you change you cam?
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Old 03-14-2007, 11:18 PM
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Chubstang
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Default RE: Fuel Pump Needed?

its a return type fuel system so the engine only uses what it needs, it doesn't get forced in, you could put a 255 on a stock motor and it wouldn't hurt anything
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Old 03-15-2007, 01:03 AM
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Goosepoop302
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Default RE: Fuel Pump Needed?

thanks for explaining
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Old 03-15-2007, 01:17 AM
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ddeaton66
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Default RE: Fuel Pump Needed?

+1 on the 255 and then you don't have to worry
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