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 Question

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Old Apr 28, 2009 | 01:00 AM
  #1  
jthorn9's Avatar
jthorn9
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From: Temple, Texas
Default Fuel Pump Question

I almost hate asking this question, but I'm going to ask it anyways, just want to hear some other opinions. I'll be buying a 1.5L Kenne Bell tomorrow (unless you guys can sway me otherwise). He's asking a little much, IMO, but he's stern on the price, and being that it's a barely used complete 1.5L unit for the GT-40 intake, I don't have much to fight back with. I'll be getting it for $2000 shipped at the rate negotiations are going.

Anyways, I have a 155 lph fuel pump right now with 30lb fuel injectors and an adjustable fuel pressure regulator FYI. My question is, will the 155lb do just fine? The S/C will boost a maximum of 8 or 9 psi depending on a few variables.

Any other advice would be appreciated. Did a search, but there's nobody on the site that has a KB, and not much info on them from what I could see. Reason I like the KB is because it's pretty much a drop in install that doesn't require 50million minor modifications like the Vortech does (which is what I wanted, but finding good deals on 94/95 Vortechs is HARD). They're either incomplete, beat to death, or so modified for high boost that I can't use them.
Old Apr 28, 2009 | 01:09 AM
  #2  
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94ford5liter
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Joined: May 2005
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From: California
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I think 155 lph for what your making now plus the kenne bell will probably be way too low. I'd say you need at least a 190, but they are so cheap you might as well just go with the 255 lph and adjust your fuel pressure down. Had the bbk 255lph on my 94 gt and no complaints.
Old Apr 28, 2009 | 09:19 AM
  #3  
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90_Mustang_GT
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Joined: Apr 2007
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I agree 5liter, go 255 and also bump your injectors up to 45lbers. And when you get it tuned they will turn ur regulator down anyways. Far as the kb goes, dont know much bout them, some guys love em and others stay away. You can get an entire kit with vortech, paxton and not have to worry bout a thing, comes with everything that you need. My advice go with one of those but if your stuck on the kb, than at least bump up your pump and injectors.
Old Apr 28, 2009 | 02:19 PM
  #4  
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projectresto83
M.A.D. Motorsports
 
Joined: Jul 2006
Posts: 8,014
From: Indiana
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Have you ever visited their site?

http://www.kennebell.net/techinfo/ge...elpumptech.pdf

and the rest of their tech
http://www.kennebell.net/techinfo/techinfo-ford.htm

Read up
Old Apr 28, 2009 | 02:24 PM
  #5  
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XPBaller
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Get a BAP, youll be fine.
Old Apr 28, 2009 | 03:14 PM
  #6  
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jthorn9
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From: Temple, Texas
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Hey, do I need to adjust the spark plug gap? I'm guessing the instructions will say, but just figured I'd ask. On their site they said to reduce the gap to .35 for a certain kind of spark plug (which I do not have). They, to me, seems like it's going to make one hell of a spark, way too much for 8 psi, any other opinions?
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