Fuel Pump
#11
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Join Date: Jan 2006
Location: wisconsin
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#13
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#14
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https://www.holley.com/products/fuel...arts/12-454-25
These are what I run. Pre-set 7.5psi pressure. 170 gph. I still use a regulated return system back to tank.
These are what I run. Pre-set 7.5psi pressure. 170 gph. I still use a regulated return system back to tank.
#15
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Is there any good way to bench test these pumps? I have one of the old Holley six-valve versions - was working fine when I took it off my old 454. I did notice that the lever is damn well impossible to push down manually - are they all like this?
#16
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Yes. Extremely hard to pushdown.
#18
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I have a Clay Smith 6 valve pump and it wears down the push rod pretty quick. It to is very hard to push the lever down.
#19
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#20
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Yes, I just throw a new push rod in at the beginning of the season. If I let it go too long it makes it too hard to get out. Also I don't want it to dig into the cam.