LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

High Flow Fuel Pump on a Stock Car

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Old Aug 6, 2004 | 04:17 AM
  #1  
1995CamaroZ28's Avatar
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From: Las Vegas, NV
High Flow Fuel Pump on a Stock Car

My Fuel Pump went bad, and i wanted to know if it will be fine to run the Walbro High Performance In-Tank Fuel Pump, 255 liters per hour on stock injectors with stock heads and cam.
I asked the nearest shop, and they told me that i should but a stock pump, which is capable for 450 hp or so...
I am also doing a complete tune-up, so I wanted to get some opinions.
Old Aug 6, 2004 | 07:16 AM
  #2  
94Zpower's Avatar
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From: Montreal, Canada Not Quebec
Re: High Flow Fuel Pump on a Stock Car

I just did thi exact swap from stock to the walbro 255 and I needed an adjustable Fuel pressure regulator to tone down the fuel pressure but I am still
not entirely sure if that was because my stock one was messed up or not,
as long your fuel pree is correct you injectors heads & cam car should be fine.
Old Aug 6, 2004 | 09:19 AM
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94Zpower's Avatar
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Re: High Flow Fuel Pump on a Stock Car

An dif you want I have a Brand new SLP AFPR for sale that you could use with your new pump, SLP sells for $65+tax =Shipping you could have mey brand new one for $55 shipped, let me know if you wanna see some pics.
Old Aug 6, 2004 | 10:48 AM
  #4  
1995CamaroZ28's Avatar
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Re: High Flow Fuel Pump on a Stock Car

so, you are saying that it would be fine to still use the high flow pump withouth the heads and cam swap?
P.S-send me some pics to my PM.
Old Aug 6, 2004 | 10:50 AM
  #5  
Derrick Redd's Avatar
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Re: High Flow Fuel Pump on a Stock Car

You will be fine with the 255lph with your current mods. And have more fuel in reserve for bigger mods later.
Old Aug 6, 2004 | 07:29 PM
  #6  
1995CamaroZ28's Avatar
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Re: High Flow Fuel Pump on a Stock Car

i just came back from a diff. shop and they told me that my fuel pressure will run kinda low, and i should still go with the stock one that should support over 400 hp..

what do u think?

also, please list all the things that i should be placing for a COMPLETE tune-up..

Old Aug 6, 2004 | 07:54 PM
  #7  
simple's Avatar
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From: Springfield, IL
Re: High Flow Fuel Pump on a Stock Car

Originally Posted by 1995CamaroZ28
i should still go with the stock one that should support over 400 hp..

what do u think?
if future plans warrant a 255lph pump then go for it (Walbro GSS340)
other wise another pump option is a Walbro GSS307 i believe that is the 210lph pump

i'd recomend not replacing it with a stock fuel pump, they are marginal at best and wont leave too much room in the future for more performance mods

www.racetronix.com or
www.neweraperformance.com <- got mine for $114 shipped from those guys in 3 days
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