need help please, fuel problem!!!
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Old May 11th, 2009, 10:53 AM   #1
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need help please, fuel problem!!!


ok i just installed a 255 lph fuel pump but the car still has the stock injectors and maf and now when i get to about 3000 rpm it cuts out and starts to sputter like its not getting enough fuel any advice or info to y this is would be greatly appreciated thanx
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Old May 11th, 2009, 11:27 AM   #2
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I'm assuming it didn't do this before you installed the fuel pump??? Was the pump new or used?
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My daily driver has 16 cylinders and 4400hp @ 1000 rpm....


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Old May 11th, 2009, 12:36 PM   #3
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brand new walbro 255 lph
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1994 GT 5.0, 302 c.i. studded and girdle, Cobra upper and lower, gt40p heads, 3.73 gears and stock T-5, boostbrothers turbo kit, master-power t70 turbo, pro-m mass air, 80# injectors, manual rack, tubular k-member, a-arms, upper & lower control arms
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Old May 11th, 2009, 01:40 PM   #4
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You need to put a gauge on it and see what the fuel pressure is doing.
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Old May 11th, 2009, 02:00 PM   #5
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and a volume test if possible.
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Old May 11th, 2009, 02:17 PM   #6
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Thanx for the suggestions but do u know where I could get that done
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1994 GT 5.0, 302 c.i. studded and girdle, Cobra upper and lower, gt40p heads, 3.73 gears and stock T-5, boostbrothers turbo kit, master-power t70 turbo, pro-m mass air, 80# injectors, manual rack, tubular k-member, a-arms, upper & lower control arms
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Old May 11th, 2009, 02:59 PM   #7
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I bet its maxing out your fuel pressure regualtor.

5 bucks says your fuel pressure is at 60-70psi.
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Old May 12th, 2009, 12:41 AM   #8
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did u check ur plugs?
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