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Reload this Page Do I have the right fuel pump for my LS1?
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LTX and LSX Putting LT1's, LS1's, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects, including repairs, swap info, and performance upgrades.

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Old 07-26-2009, 07:47 PM   #1
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Car: 92 Camaro RS
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Do I have the right fuel pump for my LS1?
I have a Walbro gss340m fuel pump. On the box it says it puts out 43.5psi. The LS1 requires 58psi. I bought the pump from Hawks, ment for an LSx swap. Did I get the wrong part, or do I not understand how fuel systems work? I understand how the fuel pressure regulator works, but I thought the fuel pump would have to put out enough pressure also.

I start my swap in a few days. I want to have the right parts when I start. Any help is appreciated. Thanks.
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Old 07-28-2009, 10:30 AM   #2
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Re: Do I have the right fuel pump for my LS1?
That pump is fine. You shouldnt have an issue.

Upgrade your wiring to it though. I've killed 3 pumps because I didnt bother to upgrade the wiring. Ive since moved to an inline pump.
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Old 07-28-2009, 11:13 AM   #3
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Re: Do I have the right fuel pump for my LS1?
Thanks for the help kubus. I got the kit that comes with the wiring upgrade. Should be starting in a couple of days. I'll post the swap if anyone is intrested.
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Old 07-28-2009, 11:50 AM   #4
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Re: Do I have the right fuel pump for my LS1?
Post up with a lot of pictures and discription. We are all intrested.
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Old 07-28-2009, 11:50 AM
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