fuel pump
Thread Starter
Junior Member
Joined: Sep 2006
Posts: 9
Likes: 0
From: southern Illinois
fuel pump
The car had a 350 tpi will the factory fuel pump support a 6.0ltr? Hopefully will have turbo later and will have to upgrade anyway but can i get bye with the factory one for now.
Joined: Jan 2002
Posts: 757
Likes: 10
From: Middle of MI
Car: 1989 Trans Am GTA
Engine: Stock LS1
Transmission: T56
Axle/Gears: 3.70 9 bolt
Well, if its only going to be temporary, ok, but personally I swapped in an LS1 tank. Remember, the LS1 needs much higher pressure (52psi I think, vs ~42psi for the TPI), and it will be putting out more hp, and more hp needs more fuel. Especially if you are going to be putting out a bunch of hp, I'd really want to have the extra insurance of knowing the fuel pump can keep up with the motor.
BTW, welcome to the boards, tons of knowledgable people around here ready to help out.
BTW, welcome to the boards, tons of knowledgable people around here ready to help out.
Senior Member
Joined: May 2003
Posts: 987
Likes: 0
From: Houston-katy
Car: 1986 Irocz- Houstons Fastest Street
Engine: 408 LS1 w/ 2 stage
Transmission: Turbo 350
Axle/Gears: 3:73,3850 lbs , best of 9.92 @ 138
i put a walbro 255 in my existing 3rd gen tank, seems to do the job
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