need help please!! fuel problem

joedaddy4 · May 11th, 2009, 10:45 AM

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

Bullitt95 · May 11th, 2009, 11:51 AM

How did it run before you changed the fuel pump?

joedaddy4 · May 11th, 2009, 12:36 PM

it ran fine with the 95 lph pump but i couldn't get into boost

Bullitt95 · May 12th, 2009, 03:30 AM

I don't get it. You said you couldn't get into boost. Is your engine supercharged 'cause it doesn't say so in your sig?
Sounds like your new fuel pump isn't working properly. You might wanna have it tested to see if it really IS flowing anything like 255lph (4.25L/min).

mrmccrory · October 9th, 2009, 05:08 PM

i would do a little more research on the fuel pump upgrade.my goal would be to make sure my fuel pump requires or doesnt require other components in the fuel system to be upgraded as well. this way i can bypass any performance issues.

2002BLGT · October 9th, 2009, 05:37 PM

Originally Posted by joedaddy4

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

throw the calibrated MAF junk in the trash and get a SCT or Sniper meter and pay to get a decent tune on it , and make sure you didnt get a made in China knock off Walbro pump

100% Genuine Walbro Fuel Pumps

93hatch · October 9th, 2009, 05:41 PM

Originally Posted by mrmccrory

i would do a little more research on the fuel pump upgrade.my goal would be to make sure my fuel pump requires or doesnt require other components in the fuel system to be upgraded as well. this way i can bypass any performance issues.

nope 255lph pump works fine with the stock fpr and everything else

94blakonblak · October 9th, 2009, 06:38 PM

His sig says that he has a boostbrothers turbo.

Lind · October 9th, 2009, 09:52 PM

^ lol at least someone seen it, well not making boost could be a combo of a bunch of different things, as far as the fuel pump/combo should be fine, id get it tuned and find out what your real issue is

Bullitt95 · October 10th, 2009, 12:43 PM

Originally Posted by 94blakonblak

His sig says that he has a boostbrothers turbo.

He must have added it to the sig. after I spotted that it wasn't there.

May 11th, 2009, 10:45 AM	#1
joedaddy4 Regular 1994 Mustang GT Join Date: Jan 2009 Location: Oak Grove, KY Posts: 78 iTrader: 0 reviews	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 __________________ 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

May 11th, 2009, 11:51 AM	#2
Bullitt95 Hardcore Enthusiast 1995 Mustang GT auto 13.36 @ 105.0 Join Date: Apr 2007 Location: Al Ain, UAE Posts: 1,393 iTrader: 0 reviews	How did it run before you changed the fuel pump? __________________ 244whp/284wtq Mod list in My Garage

May 11th, 2009, 12:36 PM	#3
joedaddy4 Regular 1994 Mustang GT Join Date: Jan 2009 Location: Oak Grove, KY Posts: 78 iTrader: 0 reviews	it ran fine with the 95 lph pump but i couldn't get into boost __________________ 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

October 9th, 2009, 06:38 PM	#8
94blakonblak Regular 1994 Mustang Gt Soon to come Join Date: May 2009 Location: Starkville/Southaven Posts: 321 iTrader: 0 reviews	His sig says that he has a boostbrothers turbo. __________________ "Train hard, kill everyone, ask questions later"...94Gt,Trickflow 170's,Trackheat upper/lower, custom cam. In need of suspension work.

October 9th, 2009, 09:52 PM	#9
Lind Enthusiast 1994 Ford Mustang GT Join Date: Sep 2006 Location: Shawano, WI Posts: 580 iTrader: 0 reviews	^ lol at least someone seen it, well not making boost could be a combo of a bunch of different things, as far as the fuel pump/combo should be fine, id get it tuned and find out what your real issue is __________________ www.moddedmustangs.com

May 12th, 2009, 03:30 AM	#4
Bullitt95 Hardcore Enthusiast 1995 Mustang GT auto 13.36 @ 105.0 Join Date: Apr 2007 Location: Al Ain, UAE Posts: 1,393 iTrader: 0 reviews	I don't get it. You said you couldn't get into boost. Is your engine supercharged 'cause it doesn't say so in your sig? Sounds like your new fuel pump isn't working properly. You might wanna have it tested to see if it really IS flowing anything like 255lph (4.25L/min).

October 9th, 2009, 05:08 PM	#5
mrmccrory Newbie 1998 cobra svt Join Date: Sep 2009 Posts: 16 Blog Entries: 1 iTrader: 0 reviews	i would do a little more research on the fuel pump upgrade.my goal would be to make sure my fuel pump requires or doesnt require other components in the fuel system to be upgraded as well. this way i can bypass any performance issues.

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