High capacity/output fuel pump - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-11-2007, 07:32 PM   #1
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Default High capacity/output fuel pump

John has money to invest in the bonnie right now.

Willwren has commented on "Walbro" (sp?) pump. My 92 is plagued with the crappy early production pump and needs to get replaced.

Thoughts? Part #'*? Internet places to buy that are cheaper?

Thanks for the help!

-John
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Old 01-11-2007, 07:36 PM   #2
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It'* not a crappy early production pump. It'* a crappy early production fuel strainer that is attached to the pump. But replacing the pump did wonders for me even with a new stock pump. I don't know where to get a cheap Walbro. Last time I was curious I just browsed with Google for a few minutes and found a decent price.
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Old 01-11-2007, 07:38 PM   #3
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Quote:
Originally Posted by J Wikoff
It'* not a crappy early production pump. It'* a crappy early production fuel strainer that is attached to the pump. But replacing the pump did wonders for me even with a new stock pump. I don't know where to get a cheap Walbro. Last time I was curious I just browsed with Google for a few minutes and found a decent price.
So, when I get a new fiel pump though, that strainer will be also replaced, correct?

How do I know which one will fit my bonnie? Will it have model listings as well?
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Old 01-11-2007, 07:56 PM   #4
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While a pump would be nice, I thought 92 had poor tank baffles and the bad strainer design.
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Old 01-11-2007, 08:14 PM   #5
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I can't speak for the bad baffle design. We have three 92'* in the familly and no bad baffles.

Nothing is likely to list our car, but I think some list the Series II GP. The number 340 is sticking out as a model... Look at Bill'* mod page to see which one he has.

Not all pumps come with a strainer. That would be something to check on before you order one.
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Old 01-11-2007, 08:20 PM   #6
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on every pump i have changed, none of them came with a filter, strainer.. there only like 8 bucks more... but its about imposable to get the old one off the old pump with out bending the metal ring pin thingie.... the thing that holds it to the pump...

and if ya put in a new pump its a good idea to put a new filter there also...
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Old 01-11-2007, 09:46 PM   #7
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The walbro comes with a new strainer.

The baffles are also bad on the 92'* tank, but with a good pump and new strainer, it might not matter.

The stock S1 L67 fuel pump will support 400 hp, but the Series 2 won't. HOWEVER, the Walbro 255 can usually be found cheaper than a new AC Delco.

It will require you to splice into your factory wiring (2 wires in the tank), but it'* easy, and comes with full instructions.

I'll look mine up for price and vendor. I still have my paperwork somewhere.
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Old 01-11-2007, 10:08 PM   #8
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Old 01-12-2007, 01:33 AM   #9
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So, did you get the pump/filter or the high performance pump/filter?

I don't think I want to try and attempt this in my garage. It looks like a shop should be able to do this with a lot more ease.
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Old 01-12-2007, 02:46 AM   #10
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John, I did in my front yard. Just run the car out of gas, it'* easy. Except for the rust part, But you've been meaning to work out anyway right?
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