TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Fuel pump replaced! (correctly)

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Old Nov 17, 2009 | 07:55 PM
  #1  
Jono4820's Avatar
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Joined: Jul 2008
Posts: 204
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From: Fox Lake, Illinois
Car: 1991 RS
Engine: 350 TBI
Transmission: 700r4
Axle/Gears: 3.08 lt. slip
Fuel pump replaced! (correctly)

Just replaced the stock fuel pump with a higher volume pump. I used the pump in this link.
https://www.thirdgen.org/forums/tbi/...fuel-pump.html

What a difference in drivability! Granted my old pump was only pumping 7.5 psi and the new is at 11.5 plus the potential additional volume.

I spent the time to drop the exhaust, rear-end, and tank to do the job the right way (4.5 hours). This project proved to be WAY easier than I would have thought using a floor jack, jack stands, and hand tools (for the most part)! So any one else thinking about doing their pump themselves by dropping the tank I highly recommend doing so.

Thanks for this board and the help I received,
Jono
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Old Nov 18, 2009 | 05:16 PM
  #2  
thomas1976's Avatar
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Joined: Jun 2006
Posts: 2,199
Likes: 1
From: West-Central
Car: 91 Trans am
Engine: built 360 TBI
Transmission: built 700r4
Axle/Gears: 10bolt/3.23
Re: Fuel pump replaced! (correctly)

Good job!

I actually prefer changing the fuel pump on these cars then the front springs
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Old Nov 19, 2009 | 10:36 AM
  #3  
Saabster's Avatar
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Joined: Sep 2006
Posts: 440
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From: Greater D.C. area.
Car: 89 Camaro RS
Engine: LO3 TBI
Transmission: 700R4 => WC T-5
Axle/Gears: 3.42 Open Diff
Re: Fuel pump replaced! (correctly)

Good to know this is managable, want to move to a TPI pump a 2.0 Bar FPR.
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Old Nov 24, 2009 | 01:59 PM
  #4  
bluers91's Avatar
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Joined: Dec 2005
Posts: 443
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From: Wild Blue Yonder
Car: 1991 RS Camaro
Engine: 350 TBI
Transmission: 700R4
Axle/Gears: 3.42 Posi
Re: Fuel pump replaced! (correctly)

I did it the right way with a friend. It took us about 2 days taking our time. We probably worked about 3 - 4 hrs each day with a few beers mixed in.
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