[Diy_efi] boat fuel pump

Steve Ravet Steve.Ravet
Thu Apr 6 16:32:47 UTC 2006


> -----Original Message-----
> From: diy_efi-bounces at diy-efi.org 
> [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of Don Sauman
> Sent: Thursday, April 06, 2006 7:22 AM
> To: diy_efi at diy-efi.org
> Subject: Re: [Diy_efi] boat fuel pump
> Hi Steve
> Could you not use the 15 psi electric pump from the TBI 
> Mercruiser/Volvo/Chey V8 and regulate it back to 3-6 psi for a carb.
> Cheers
> Don

I have found there are 3 mercruiser electric fuel pumps.  2 low pressure
used with carbs, and 1 high pressure used with all EFI (TBI and MPI).
The EFI pump is discontinued.  From the parts diagrams it doesn't look
like the carb pumps were used with regulators so I doubt they'll do 15
psi for EFI.  One www page specified that the EFI pump doesn't have
threads on the inlet fitting.  It must be a friction fit onto the fuel
cooler, which is probably why it's only sold preassembled now.  Looks
like a dead end with mercruiser parts unless I spring for the
pump/cooler assembly.

I took another look at David Allen's boat EFI page, he used an inline
Ford pump.  Is there any safety reason to not use an automotive fuel
pump instead of a marine pump?


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