Fuel pump time
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Member
Joined: May 2006
Posts: 418
Likes: 1
From: Parkersburg WV
Car: 1992 Camaro RS 25th Anni.
Engine: 5.0l TBI
Transmission: 700R4 Automatic
Axle/Gears: 3.73 Gov lock
Fuel pump time
I have a spare TPI setup in my garage. Eventually my TBI may go TPI.
Can I use the TPI fuel pump without any additional changes or do I need to regulate it down for the TBI?
Can I use the TPI fuel pump without any additional changes or do I need to regulate it down for the TBI?
Supreme Member
Joined: Oct 2003
Posts: 1,083
Likes: 4
From: DFW
Car: 1992 Z28
Engine: 5.7 TPI
Transmission: 700R4
Axle/Gears: G80 3.23
Re: Fuel pump time
Supposedly its not that big of a deal. I did it in my truck for a few miles before going TPI. You'll just have a ton of fuel returning to the tank lol
Joined: Feb 2001
Posts: 13,758
Likes: 560
From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Re: Fuel pump time
Its fine. The stock regulator will do the regulating. The excess will simply go back through the return line.
Supreme Member
Joined: Feb 2011
Posts: 1,589
Likes: 89
Re: Fuel pump time
Far as I can tell, the TPI pumps and the TBI pump produce about the same volume, the difference is the pressure. The pressure regulator on the TBI will provide proper pressure for the TBI injectors.
I've been running a TPI pump (EP241) on my K1500 for years.
https://www.thirdgen.org/forums/tbi/...p-upgrade.html
I've been running a TPI pump (EP241) on my K1500 for years.
https://www.thirdgen.org/forums/tbi/...p-upgrade.html
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