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Re: Carter 4070 electric fuel pump plumbing [message #261366 is a reply to message #261306] Tue, 09 September 2014 06:51 Go to previous messageGo to previous message
SeanKidd is currently offline  SeanKidd   United States
Messages: 747
Registered: June 2012
Location: Northern Neck Virginia
Karma:
Senior Member
I installed my dual P4070 this spring and confirm 6psi output. If using 2 pumps you will need check valves. 6psi was ok for my carb for a while but started to overcome the float, I replaced the float with brass, and installed a regulator and lowered the output to 4psi. Quadrajet is happy at 4psi.

Sean and Stephanie
73 Ex-CanyonLands 26' #317 "Oliver"
Hubler 1-Ton, Quad-Bags, Rear Disc, Reaction Arms, P.Huber TBs, 3.70:1 LSD Honda 6500 inverter gen.
Colonial Travelers
 
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