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Intank low pressure pump psi?


rusty ol ranger

2.9 Mafia-Don
Supporting Member
Joined
Sep 22, 2007
Messages
13,894
City
Michigan
Vehicle Year
1987
Engine
2.9 V6
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Manual
My credo
A legend to the old man, a hero to the child...
Anyone know the PSI of the low pressure lift pump used on the older rangers?
 
Says 3 PS. I’m sure the mean 3 PSI.
373BFE8B-9580-4EEC-8C49-5F8984871F5C.png
This other one says 6.5 max. I wouldn’t have thought there would be such a difference 🤔
EDC0C433-B9F2-49B2-8DFD-EC812C1CDBF2.png
I referenced an 87 Bronco II.
 
Last edited:
+1 ^^^ Lift pumps are usually max 10psi, they were used for many years in motor homes with mechanical pumps on the engines
The gas tanks were 20ft or more away from the engine so a low pressure pump was needed to feed the mechanical pump on carb engines
 
+1 ^^^ Lift pumps are usually max 10psi, they were used for many years in motor homes with mechanical pumps on the engines
The gas tanks were 20ft or more away from the engine so a low pressure pump was needed to feed the mechanical pump on carb engines
I was gonna rig one up on that damn yazoo mower instead of spending 250 bucks on an oem kohler mechanical pump.

The junk chinese mechanical pump that i put on after the junk chinese electric pump i put on took a shit also took a shit.

Guess im spendin some money.
 
Outboard motor(boats) electric pumps are not cheap but might work for your application
 
Outboard motor(boats) electric pumps are not cheap but might work for your application
Im just gonna buy a good oem pump.

Its driven off a connecting rod so it shouldnt be anything internal like a bad eccentric
 

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