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Which fuel pump for LB9 (with possible LSx swap soon)...

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Old Feb 9, 2015 | 12:14 AM
  #1  
Dante93GTZ's Avatar
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From: East Tennessee
Car: 1992 Z28 Heritage Edition
Engine: L98
Transmission: T56
Axle/Gears: 3.23:1
Which fuel pump for LB9 (with possible LSx swap soon)...

I parked my 91 Z28 in the garage about 6 months ago... under its own power. I went to start it the other day and the fuel pump doesn't prime. I've tested the circuit and all signs point to a bad pump. That being said, I'm going to replace it.

The question is, what pump should I get? The car currently has an LB9 but will probably go LSx (~400hp most likely) at some point within a year. Is there a pump that will work for both combos? If not, which pump should I buy? Any brand/model advice would be great - I'd like to order something ASAP.

Thanks.
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Old Feb 9, 2015 | 10:51 AM
  #2  
rusty vango's Avatar
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Joined: Jun 2011
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From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
Re: Which fuel pump for LB9 (with possible LSx swap soon)...

Originally Posted by Dante93GTZ
I parked my 91 Z28 in the garage about 6 months ago... under its own power. I went to start it the other day and the fuel pump doesn't prime. I've tested the circuit and all signs point to a bad pump. That being said, I'm going to replace it.

The question is, what pump should I get? The car currently has an LB9 but will probably go LSx (~400hp most likely) at some point within a year. Is there a pump that will work for both combos? If not, which pump should I buy? Any brand/model advice would be great - I'd like to order something ASAP.

Thanks.
I bought the best quality one that NAPA had. been running great for 6 years now. but ANY stock pump wont flow enough for a lsx
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Old Feb 9, 2015 | 11:51 AM
  #3  
Podium's Avatar
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Re: Which fuel pump for LB9 (with possible LSx swap soon)...

Walbro or racetronix.
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