Big power guys
Big power guys What kind of fuel system are you big power guys running? I want to build a fuel system to support 800 RWHP or a little more. What do you guys suggest?
TECH Senior Member
Joined: Nov 2001
Posts: 9,246
Likes: 3
From: Troy, AL
Re: Big power guys I'm only about 520 RWHP.
Walbro 340 intank
NOS 255 inline
Drilled filter inlet
Gutted fuel rail at the fuel pressure dampner
Kenne Bell Boost-a-Pump set at +30%.
Lucas 42.5 lb injectors.
For 800 RWHP I would add to the above setup a set of custom fuel rails or at the very least get rid of the fuel pressure dampner all together (next on my list anyway.) I would also run some thumb sized fuel line and a REALLY high flowing fuel filter.
Would this be a FI or a N2O application?
Walbro 340 intank
NOS 255 inline
Drilled filter inlet
Gutted fuel rail at the fuel pressure dampner
Kenne Bell Boost-a-Pump set at +30%.
Lucas 42.5 lb injectors.
For 800 RWHP I would add to the above setup a set of custom fuel rails or at the very least get rid of the fuel pressure dampner all together (next on my list anyway.) I would also run some thumb sized fuel line and a REALLY high flowing fuel filter.
Would this be a FI or a N2O application?
TECH Senior Member
Joined: Nov 2001
Posts: 9,246
Likes: 3
From: Troy, AL
Re: Big power guys My advice is to go extreme on anything to do with the fuel system and install a FP gauge in an A-pillar pod where you can really see what's going on.
Right now I think I have WAAAAAAAAY more than enough fuel pump with the 340, 255, and BAP supplying the extra juice to them. But, everything else is so restrictive. I'm trying to compensate for a restrictive system by overpowering it. That's why I'll be reworking my fuel rail, line, and filter soon.
If I were you I'd run the fuel for the nitrous system independently from the motor. A fuel cell, a nice pump, fiter, and some big line. Your current fuel system will only have to keep up with what HP the engine makes NA. This would be the most surefire way to do it.
[ January 16, 2002: Message edited by: Colonel ]</p>
Right now I think I have WAAAAAAAAY more than enough fuel pump with the 340, 255, and BAP supplying the extra juice to them. But, everything else is so restrictive. I'm trying to compensate for a restrictive system by overpowering it. That's why I'll be reworking my fuel rail, line, and filter soon.
If I were you I'd run the fuel for the nitrous system independently from the motor. A fuel cell, a nice pump, fiter, and some big line. Your current fuel system will only have to keep up with what HP the engine makes NA. This would be the most surefire way to do it.
[ January 16, 2002: Message edited by: Colonel ]</p>
Re: Big power guys I have been meaning to talk to you about your fuel system. Do you think the Aeromotive pump will support 800 RWHP at 58 psi? I wanted to know how you put the fitting in the tank like a sump.
TECH Addict
Joined: Nov 2001
Posts: 2,207
Likes: 0
From: College Station, Tx
Re: Big power guys 800 rwhp at 58psi? I would go for a weldon pump and get the voltage controller for street use.
Getting a pump to support it is one thing, getting one that will last a few years is another. Weldon is pretty much the best out there.
Chris
Getting a pump to support it is one thing, getting one that will last a few years is another. Weldon is pretty much the best out there.
Chris
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Re: Big power guys While designing your system, check out the billet fuel rails over at www.ls1speed.com. Ends are threaded, rails can be anodized in different colors, and these rails were designed for a 1000 HP car.
[ January 16, 2002: Message edited by: Pro Stock John ]</p>
[ January 16, 2002: Message edited by: Pro Stock John ]</p>
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TECH Fanatic
Joined: Nov 2001
Posts: 1,055
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From: Chi-Town
Re: Big power guys Why dont any of you just do a double intank pump system from ARE/Racetronix?
that is what mikey used in his car when he went 9.50
then you dont have to mess with upgraded fuel lines and such
just a thought
i believe the twin pumps are like $550 with kit and a core sending unit
that is what mikey used in his car when he went 9.50
then you dont have to mess with upgraded fuel lines and such
just a thought
i believe the twin pumps are like $550 with kit and a core sending unit
Re: Big power guys Was the twin intank what Mickey was running? That setup would be the easiest way to go since you don't have to replace the fuel line. I just wonder how much the stock fuel line can support
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Joined: Nov 2001
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From: Iowa :-/~
Re: Big power guys [quote]Originally posted by Colonel:
<strong>I'm only about 520 RWHP.
Walbro 340 intank
NOS 255 inline
Drilled filter inlet
Gutted fuel rail at the fuel pressure dampner
Kenne Bell Boost-a-Pump set at +30%.
Lucas 42.5 lb injectors.
For 800 RWHP I would add to the above setup a set of custom fuel rails or at the very least get rid of the fuel pressure dampner all together (next on my list anyway.) I would also run some thumb sized fuel line and a REALLY high flowing fuel filter.
Would this be a FI or a N2O application?</strong><hr></blockquote>
How do we gut the fuel rail? Can you explain how this is done please.
<strong>I'm only about 520 RWHP.
Walbro 340 intank
NOS 255 inline
Drilled filter inlet
Gutted fuel rail at the fuel pressure dampner
Kenne Bell Boost-a-Pump set at +30%.
Lucas 42.5 lb injectors.
For 800 RWHP I would add to the above setup a set of custom fuel rails or at the very least get rid of the fuel pressure dampner all together (next on my list anyway.) I would also run some thumb sized fuel line and a REALLY high flowing fuel filter.
Would this be a FI or a N2O application?</strong><hr></blockquote>
How do we gut the fuel rail? Can you explain how this is done please.
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Joined: Nov 2001
Posts: 1,055
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From: Chi-Town
Re: Big power guys [quote]Originally posted by FlamingTA:
<strong>Was the twin intank what Mickey was running? That setup would be the easiest way to go since you don't have to replace the fuel line. I just wonder how much the stock fuel line can support</strong><hr></blockquote>
i'm pretty sure. i was talking to nick and he told me that the twin intank would be more fuel than mostly anyone needs for an n/a or nitrous application.
He said it is tricky to use on a returnless fuel system like the LS1 but if you DO HAVE a return with a fixed regulator that is adjustable, you wouldn't have any problems
<strong>Was the twin intank what Mickey was running? That setup would be the easiest way to go since you don't have to replace the fuel line. I just wonder how much the stock fuel line can support</strong><hr></blockquote>
i'm pretty sure. i was talking to nick and he told me that the twin intank would be more fuel than mostly anyone needs for an n/a or nitrous application.
He said it is tricky to use on a returnless fuel system like the LS1 but if you DO HAVE a return with a fixed regulator that is adjustable, you wouldn't have any problems
