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OK, for re dunce sake - the pump I am talking about is 12 volts - vane operated and has to suck or create a vacuum to deliver to a much bigger pump.
It has to lift about 4 feet to the top of Eng over a say 10 foot span
On a good day they deliver 9 to 15 lbs pressure.
The big pump delivers excess back to tank.
To my brain It says running a 5/8 hose into the tank or a 3/4 or a 1 inch will change nothing except make it harder on the pump to "draw" diesel fuel.
True, if the size is reduced, at some pt it will get difficult also
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162 Assault Helicopter Co,(Vultures ) D troop 3/5 Air Cav. ( Bastard CAV) South of Saigon, U Minh Forest, Delta, and most parts in between.
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