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Fuel system questions..

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Old 04-03-2007, 01:36 PM
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Default Fuel system questions..

Wondering what some of you have safely pushed thro for power on racetronix pump,60 pound injectors and maybe msd or kenn bell boost a pump?
Is this combo enough for say 800rwhp?
I am also looking at nasty perf fuel setup with custom tank and big lines and big external pump and big rails. Are the stock rails a bad restriction on the ls1 car?

I was thinking maybe just do the racetronix and boost a pump now and then go to big fuel system a bit later on if find actually do need it.
How high fuel pressure will those mototron 60 pounders take before having problems?
Old 04-03-2007, 01:43 PM
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No way will this get you to 800 rwhp!

The system we used on this T/A is what I would recommend.
http://www.exoticperformanceplus.com...Car.php?car=42

Here is a listing of the parts used.
http://www.exoticperformanceplus.com...php?service=88

Hopefully this helps. Bob
Old 04-03-2007, 06:48 PM
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I have seen 900rwhp on 60# injectors. Remember the 60's flow approx 63# at 43.5psi & approx 74# at 60psi. This is very high in duty cycle (near 100%), but it is possible, though not recommended.

Figure .55#/hr per HP per injector.

A single 255 with BAP has gone over 700rwhp, but I do not recommend that either.

Do it right the first time, as engine repairs usually accompany a high rpm leanout.




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