I like to ditch the factory pump and install a facet unit. but not sure which to get . 1-3 psi or the 4-7 psi unit any help would be great
I like to ditch the factory pump and install a facet unit. but not sure which to get . 1-3 psi or the 4-7 psi unit any help would be great
x2 for a 1-3psi pump but I would prefer to keep the diapragm pump setup. It's cheaper, more reliable and perfectly adaquate for the job. KISS
There are performance limitations with the stock pump, fuel tank location and hills. Had both max 4 with Kohler Command cut out going down long steep grades and a Argo Bigfoot going up long steep grades. The solution was to add a 3-4 psi electric fuel pump at the tank and tee it into the existing vac driven pump and return the excess back to the tank through a 1.5 psi check.
Acta non verba
If you really want to switch to a electric fuel pump which I'm done on a few machine due to diaphragm pumps failing. I would recommend a screw style pump like these.
Amazon.com: Mr. Gasket 42S Electric Fuel Pump: Automotive
The electric diaphragm pumps still fail like the vacuum ones.
I too have experienced a 20hp Kohler Command dying on long downhill treks from lack of fuel.
great info guys. now that we know oem system is 1.5 psi I will order this unit
Posi Flo Pumps | Motor Components, LLC | Facet Purolator
its rated 1.5-4 psi . just so we are clear I plan not to use the oem vac pump all together. not just tie this into it .
since this facet unit is rated up to 4 psi you think I need to add a regulator to system?
I've found on a few the float springs are strong enough to stop the flow and others I've had to put a "T" in the line and feed back to the tank.
glad I read this thread. It's been so long sense Ive owned an Argo, that I forgot about about the fuel starvation issue on long climbs with the tank mounted under the seat. I just mounted the tank in my Coot way back in the LR corner and that surely would have caused issues! Pump ordered
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