1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

13bt,fuel solutions

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Old Sep 30, 2002 | 09:36 PM
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From: Sparti,Greece
13bt,fuel solutions

i have just fitted a 13bt street-ported on my fb.now i'm working on fuel system.so i want to know what fuel pump should i need.i've ordered an in-line electric which promises to be a 500hp pump.but later i found out that it's a 43gph at 40psi pump.could it be efficient for a street-ported 13b with t04 turbo and 800cc secondary injectors?
do you know where i can find a surge-tank and a low pressure pump to feed it?
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Old Oct 1, 2002 | 05:16 AM
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what main fuel pump are you talking about? a bosch ? if you want a surge tank i would recommend rpmperformance centre's fits very nicely under the rear end.. if you search for the pics i posted the other week you can see exactly how i did my fuel system..
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Old Oct 1, 2002 | 06:38 AM
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Old Oct 1, 2002 | 11:58 AM
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From: Sparti,Greece
the one i've ordered is a msd one(43gph at 40psi).could it be enough?
oh,about the photo,why the tank has 4 holes.can u explain to me it works?
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Old Oct 1, 2002 | 12:45 PM
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low pressure in, high pressure return from fuel rail and over flow back to the fuel tank.
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Old Oct 1, 2002 | 08:26 PM
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Im running a custom surge tank. My low pressure pump is a 100gph carter carb pump. My high pressure pump is a bosch but I forget the part #. The MSD pump you orderd is a walbro I belive. I cant remember exactly but I think that pump is putting out the same GPH at the same PSI as a stock 3rd gen pump. That will give you a good idea of how much HP its good for. Its a good thing you are getting a surge tank. I did not have one at first and my car surged terribly at anything less than half a tank of gas.
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Old Oct 1, 2002 | 09:54 PM
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From: 3OH5
Originally posted by RX-7-8593
I did not have one at first and my car surged terribly at anything less than half a tank of gas.
Did you Sump it?
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Old Oct 2, 2002 | 01:48 AM
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may i use the msd for feeding the surge tank and buy an even bigger pump for the fuel rail?
i mean,is there any problem to use also a high pressure pump to feed the tank?
in the ajc13b's tank style,what is the purpose of the hole on the top and what of each one on the upper of the sidewall?
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Old Oct 2, 2002 | 01:27 PM
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high pressure is fine, ive got a stock turbo 2 pump feeding my surge tank.

i just told you what each hole is check my earlier post...
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Old Oct 2, 2002 | 02:24 PM
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Originally posted by Directfreak


Did you Sump it?

Nope, I did not want any hoses hanging under the car to draw attention. That probally would have been easier than running everything for the surge tank.
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