Need help.
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New User
Joined: Aug 2019
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Need help.
Hey everyone, so I just recent purchased this truck and have been pouring over it trying to diagnose all the various issues with it. I have found a component that I'm not sure what is, or where the lines go to but it seems one of the connecting lines is just missing. Can anyone tell more about this component and the lines that run to it.
Tuned
Joined: May 2019
Posts: 480
Likes: 141
From: NJ
There is what appears to be a carburetor inlet fuel filter in the line before it, that needs to go. Diesel fuel has way more crap in it than that filter was meant to take out, not to mention the filter is designed to work in a pressurized line but is on a suction line. No bueno.
That pump doesn't really need a filter before it anyway, and the stock filter is perfectly adequate for protecting the IDI fuel system (about as precise as a hammer, compared to modern diesels). You can add an aftermarket filter head before the pump, but adding an extra maintenance item and about 6 more potential leak points is really not improving anything. These engines commonly go for 800,000 miles- that's 50,000-80,000 gallons of fuel- on the original fuel system, with the stock filter alone.
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New User
Joined: Aug 2019
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That is the power cable for the pump, they have the ground and power connected to the terminal posts on the battery.
i ain't rite
Joined: Mar 2005
Posts: 65,569
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From: Marlboro Mental Hospital.
would be more concerned with the cheap electric pump being used failing.
those pumps are not made for diesel use and normally do not last very long.
those pumps are not made for diesel use and normally do not last very long.
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Elder User
Joined: May 2018
Posts: 695
Likes: 22
Right, nothing wrong with the good old Carter mechanical lift pumps that came stock. They were used on Ford, Chevy, IH, etc. gas engines for decades. Mines lasted for over 20 years.
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Scope Wizard
Joined: May 2019
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while it is ok to use it for diesel because Holley says it is rated for Diesel it wouldn't be my pump of choice and it is not mounted to Holley's Specs.
I wouldn't expect the filter to last too long in the diesel world... and another thing is that Pump does not have a Reverse Flow check Valve so you could have drain back with it. with all that said, it's not one of the cheapest pumps I've seen folks use on the IDI's ... I've seen much worse
https://www.holley.com/products/fuel...s/parts/12-427
I prefer the good old rebuildable Carter Mechanical pump, they work fine and last years <<== but that is just me.. everyone has their own opinions