Carb LT1 Guys in here please!!
Registered User
Joined: Aug 2003
Posts: 279
From: Kingston Springs, TN
I just saw a "Q&A" in the current issue of Hot Rod magazine with regard to running an EFI high pressure pump with a carb. Look at page 135 of the June 2008 issue. They show a high pressure pump feeding a "tee", with a Kinsler bypass valve set at 8psi allowing fuel to return back to the tank from one branch of the tee, and the other branch of the tee feeding a Holley PN 12-803 regulator (non-bypass) set at 6.5-7psi, with dual feeds out of the regulator to the carb.
http://www.holley.com/12-803BP.asp
Registered User
Joined: Jul 2005
Posts: 435
From: Flint, Michigan
I switched my car over to a gen I small block, and used the stock pump in the tank, a bypass holley regulator, I used all the factory fuel lines, it was pretty easy, I would recommend a bypass to return the fuel to the tank, with out it, the fuel pump will be working too hard and hitting a dead end at the regulator. you might have to actually restrict the bypass a little. I used a hose clamp and just watched my guage as i tightend the clamp.
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