TPI Fuel Pump
#1
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Join Date: Nov 2005
Location: Texas
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TPI Fuel Pump
I have been told that a TPI fuel pump will supply enough fuel pressure to work on an LS1 engine conversion. The only difference being the fuel pressure regulator. I have not been able to confirm this so any help with this would be greatly appreciated.
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Thanks for the reply. I was concerned with the information I had been given but at the same time, hoping I wouldn't have to drop the tank to change the pump. Looks like a new pump is the solution.
#4
Not sure what you are trying to do but here goes. You need an aftermarket fuel pressure regulator. I have the Holley version that I am running one on my TPI motor at 58psi. However I have the EP381 fuel pump which is what is used on the Typhoon.
If you are wanting to just use the factory TPI fuel pump with an LSX motor you can use the Corvette fuel filter/regulator with it. The factory TPI fuel pump does have its horsepower limitations though. I would just upgrade it.
If you are wanting to just use the factory TPI fuel pump with an LSX motor you can use the Corvette fuel filter/regulator with it. The factory TPI fuel pump does have its horsepower limitations though. I would just upgrade it.