fuel problems with walbro 255
09-12-2007, 03:31 PM
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fuel problems with walbro 255 ok i have a 98 ls1 with a vortech blower. i just installed a intank walbro255 fuel pump and it hardly runs, stalls out some, undriveable. but if i disconnect the maf it will run,drive down the road untill i go full throttle then the car boggs down and just will not go. i dont no if this is part of the problem but when i shut of the car my fuel pressure drops to 0.
the car ran fine before adding the new big fuel pump any help???
the car ran fine before adding the new big fuel pump any help???
09-13-2007, 07:02 PM
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ok my car is not running its a 98 ls1 with 10# boost vortech and just installed a intank pump 255 lph. now the car will not run just spits and spudders. it will rev up ok in the drive way but will die out when i go to drive it just move it...and will not hold fuel pressure when car is shut off. when i turn the key on fuel pressure is at 20psi then start up 30 psi then rev up 31 psi thats getting in to boost any help?
