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Re: Alternator to power fuel pump? [message #370470 is a reply to message #370469] Sat, 10 September 2022 17:44 Go to previous messageGo to previous message
Matt Colie is currently offline  Matt Colie   United States
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
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Senior Member
Johnny,
I guess that you did away with the engine driven pump altogether.
The Mr.Gasket version of a clicker pump is what I have had on the shelf for a while. I put it in line with the auxiliary a day ago and got to test it today. We still had vapor lock issues that instantly disappeared when I stitched to the Aux tank. In my history, I had had some failures with those pumps and I have had problems with both the OE tank selector as well. That is why my plan is to mount two 4070s under the floor and use them as the tank selector. That also gives me a redundant system. I see you have that too.
I had plans to put back the wrong pump that has a vapor bleed, but I don't think I am going to have to go that far based on today's experience.
Matt

Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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