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-   -   Fuel pump (suction) (https://www.offshoreonly.com/forums/general-q/366936-fuel-pump-suction.html)

riverrunner242 06-21-2020 10:19 PM


Originally Posted by Rookie (Post 4744575)
What Mallory pump are you running? I run Mallory 140's. I just went and looked at my Scarab and the pumps are mounted even with the top of the fuel tank. My loop does go down to about halfway down the tank.

140 bottom of unit which is where the pump is right about level with half tank

IHTFP 06-22-2020 06:13 PM

Here is what I am planning to avoid a suction problem from the high pressure pump.

https://cimg6.ibsrv.net/gimg/www.off...10807df224.jpg

riverrunner242 06-22-2020 07:35 PM


Originally Posted by IHTFP (Post 4744776)
Here is what I am planning to avoid a suction problem from the high pressure pump.

https://cimg6.ibsrv.net/gimg/www.off...10807df224.jpg

yeah I'm just running a carb so I dont have a high pressure pump and I dont have a mech pump provision on my block. Hopefully I need a high pressure pump on my new boat👍

IHTFP 06-24-2020 04:17 PM


Originally Posted by riverrunner242 (Post 4744789)
yeah I'm just running a carb so I dont have a high pressure pump and I dont have a mech pump provision on my block. Hopefully I need a high pressure pump on my new boat👍

You could use a water pump mounted fuel pump. That is what I am doing.

SB 06-24-2020 04:26 PM


Originally Posted by IHTFP (Post 4744776)
Here is what I am planning to avoid a suction problem from the high pressure pump.

https://cimg6.ibsrv.net/gimg/www.off...10807df224.jpg

You should start a new thread on that. I see some things that should be changed up.

IHTFP 06-24-2020 08:20 PM


Originally Posted by SB (Post 4745163)
You should start a new thread on that. I see some things that should be changed up.

‘I’m listening, what do you see wrong with this?


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