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Old Aug 11, 2011 | 01:07 PM
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From: Jeddah
Default walbro 255 lph

i am going to build a blwon 383,,
will the walbro GSS340 (255LPH) support this setup?
if not,, what are the alternatives?
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Old Aug 11, 2011 | 01:39 PM
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First of all, ask the experts in the FI/Nitrous section. IMO, you'll need alot more than that pump, at the very least, a good BAP, and probably the Racetronic wiring harness.
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Old Aug 11, 2011 | 02:19 PM
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I think that's what's in the A+A kit. I would have to go look at my kit to be sure. After that you can add a BAP or go to a dual walbro setup. It's depends on how much boost you want to run.
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Old Aug 11, 2011 | 02:21 PM
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Originally Posted by chevylad
I think that's what's in the A+A kit. I would have to go look at my kit to be sure. After that you can add a BAP or go to a dual walbro setup. It's depends on how much boost you want to run.
am going 13psi with meth injection,,
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Old Aug 11, 2011 | 03:00 PM
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thats a popular pump in the aftermarket scene, but you're talking about FI on a lot of cubes (relatively speaking). i'd be leery of using that alone, but im not speaking from any FI on smallblock experience, i'll admit. just what ive done with 4 cylinders, and even with 4 cylinders ive seen that single pump exhausted on the more intense setups.
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Old Aug 11, 2011 | 06:52 PM
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stock pump takes a **** at 500hp, Racetronix.com the hot wire kit 255 pump works up to 700

Last edited by SLEEPERFRC; Aug 11, 2011 at 06:56 PM.
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Old Aug 11, 2011 | 07:06 PM
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Originally Posted by TooSick
stock pump takes a **** at 500hp, Racetronix.com the hot wire kit 255 pump works up to 700
can i only buy the hotwire and use it with walbro GSS340 (255LPH)?
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Old Aug 11, 2011 | 08:12 PM
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Originally Posted by kj217
can i only buy the hotwire and use it with walbro GSS340 (255LPH)?
not sure the kit comes complete cost less than 400$

sell the one u got, an go with them or a boost a pump
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Old Aug 11, 2011 | 08:29 PM
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Originally Posted by TooSick
not sure the kit comes complete cost less than 400$

sell the one u got, an go with them or a boost a pump
Racetronix RFPK-007 fuel pump/hot-wire kit + BAP = Good to go.

Racetronix uses the Walbro GRJ420 255LPH pump in their kit. $277.99 if you buy direct. Then choose either a KB or MSD BAP.
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Old Aug 11, 2011 | 08:51 PM
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I run the Ractronics kit with the Walbro 255 at 577RW and it handles it fine.
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Old Aug 12, 2011 | 09:38 AM
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what about aeromotive stealth 340?
Deatschwerks DW300?
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Old Aug 12, 2011 | 03:01 PM
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Originally Posted by kj217
what about aeromotive stealth 340?
Deatschwerks DW300?
Aeromotive 340 will not fit C5s from '97 - early '04 models. It works in top-loading tanks only. Late '03 - '04 C5s and C6s.

I can't speak to the Deatchwerks stuff, but I don't think they offer anything for the '97 - E'03 C5s, at least not a drop-in replacement.

The inlet and outlet configuration on the C5 is unique and just because someone sells a submersible fuel pump dos not mean it will fit or work inside the fuel bucket in the tank.
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Old Aug 12, 2011 | 03:18 PM
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what do you think of this from Andy?

http://www.aacorvette.com/supercharg...products_id=65

$1100k is a big turn off,,
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Old Aug 12, 2011 | 03:33 PM
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Originally Posted by kj217
what do you think of this from Andy?

http://www.aacorvette.com/supercharg...products_id=65

$1100k is a big turn off,,
Umm, yeah I guess it would be for most people too, but you didn't mention anything about your budget.
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Old Aug 12, 2011 | 03:44 PM
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Originally Posted by LoneStarFRC
Umm, yeah I guess it would be for most people too, but you didn't mention anything about your budget.
do i have to state the obvious?
below 500 unless necessary,,
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Old Aug 12, 2011 | 03:59 PM
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Originally Posted by kj217
do i have to state the obvious?
below 500 unless necessary,,
For $500 (~) you can solve your problem but again, a lot will depend on how much total boost you're going to try to run and what you realistically estimate your flywheel horsepower will be.

They guys in the FI/Nitrous might give you some real-world feedback on their particular setups.
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Old Aug 13, 2011 | 08:42 AM
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how to make sure my 99 C5 is a return-less?
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Old Aug 13, 2011 | 09:59 AM
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Originally Posted by kj217
how to make sure my 99 C5 is a return-less?
Only one line coming off the fuel rail, correct?
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Old Sep 5, 2011 | 04:43 PM
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Originally Posted by LoneStarFRC
Racetronix RFPK-007 fuel pump/hot-wire kit + BAP = Good to go.

Racetronix uses the Walbro GRJ420 255LPH pump in their kit. $277.99 if you buy direct. Then choose either a KB or MSD BAP.
who sells it for the same price beside racetronix?
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Old Sep 5, 2011 | 05:02 PM
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Originally Posted by kj217
who sells it for the same price beside racetronix?
Racetronix is the actual manufacturer of everything they sell, except the Walbro pumps themselves of course. They are in Canada and as far as I'm concerned, are the gold-standard for quality and innovation overall.

They do have some distributors such as Texas Speed, Thunder Racing, and some others.
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