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1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
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Ok, what is it?

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Old Feb 20, 2009 | 08:52 PM
  #1  
Michael Gosline's Avatar
Michael Gosline
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From: Phoenix
Ok, what is it?

What is it. picture by MichaelGosline - Photobucket

*Apparently I can't insert photos yet. Please use the link above.

This was on the outside of the drivers side frame rail.

It appears to be something to do w/ the fuel system.

It was left in place but disconnected from the system. Yes they looped the hose back onto itself. The red wire that obviously goes to it was disconnected and taped off.

The fuel gage does not read the secondary fuel tank.

I'm going to make a wild guess and say it doesn't work but the truck works just fine with out it.

So, what is it, what does it do and what is the chance of replacing it if I can't fix it?

Thanks,
Mike...
 

Last edited by Michael Gosline; Feb 20, 2009 at 08:53 PM. Reason: Cant attach pics.
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Old Feb 20, 2009 | 09:00 PM
  #2  
rix4x4's Avatar
rix4x4
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That is an old fuel pump that is not being used anymore.
 
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Old Feb 20, 2009 | 09:06 PM
  #3  
Michael Gosline's Avatar
Michael Gosline
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Possibly for the secondary fuel tank? It was close to that. There is just a hose coming out of the bottom of the front side of the secondary tank.

And like I said, the fuel gauge doesn't read that tank when I flip the switch.

Mike...
 
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Old Feb 20, 2009 | 09:11 PM
  #4  
Alvin in AZ's Avatar
Alvin in AZ
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From: Gadsden Purchase
I gave away a couple of electric fuel pumps of that style, (Bendix right?)
came in a box with the same dune buggy this one did...

http://www.panix.com/~alvinj/file12/bendix6volt.jpg

Not sure which is an older style but mine's still in service. ;)

I believe Michael's fuel pump style is the more desirable because a couple
guys wanted the other ones (12 volt tho) and didn't want the one I kept.

Alvin in AZ
 
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Old Feb 20, 2009 | 09:16 PM
  #5  
Michael Gosline's Avatar
Michael Gosline
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From: Phoenix
Unfortunately I don't know how to test it, other than the obvious - rerunning the fuel lines through it. And if it doesn't work, how to fix it - I opened it up and have a basic understanding and what may be wrong with it.

Is it really worth trying to fix?

Mike...
 
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Old Feb 20, 2009 | 09:59 PM
  #6  
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Jermafenser
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Find out why it is in there in the first place.
 
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Old Feb 20, 2009 | 10:01 PM
  #7  
Michael Gosline's Avatar
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Well since it appears to be a bypassed fuel pump, and the truck is working ok with out it, with the exception of not knowing how much gas is in the secondary tank... I think we have established why it was there.

The only question is to figure out if it works or how to fix/replace it, and if its worth the trouble/expense.

Mike...
 
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Old Feb 20, 2009 | 10:07 PM
  #8  
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Jermafenser
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Uh, yes. But WHY was it there in the first place?

Originally Posted by Michael Gosline
Well since it appears to be a bypassed fuel pump, and the truck is working ok with out it, with the exception of not knowing how much gas is in the secondary tank... I think we have established why it was there.

The only question is to figure out if it works or how to fix/replace it, and if its worth the trouble/expense.

Mike...
 
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Old Feb 20, 2009 | 10:46 PM
  #9  
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I have no idea if it was a factory install or not. Someone who knows far more than me will have to reply.

Mike...
 
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Old Feb 21, 2009 | 04:06 AM
  #10  
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No, it's not. As others said, it's an old electric fuel pump. Dentsides always came with mechanical fuel pumps installed on the engine.

Someone put it on there. Why did they do that is my question.
 
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Old Feb 21, 2009 | 09:06 AM
  #11  
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You don’t have to hook the gas lines up to test the pump. Just hook the 12 volts back up, pull the hoses off and turn the pump on. Put your finger over the inlet and outlet and see if you feel any pressure or suction. If you do then be thankful that the guy looped the hose to keep the dirt out. Those pumps are getting expensive.

I haven’t used one of those Bendix pump for 30 plus years and if I remember right they have a brass bellows and have a tendency to crack and start leaking gas.

I use the Mallory pump on mine. I have the 460 and the stock pump will not supply enough fuel when pulling hard. The only time I use it is when pulling long grades or hard acceleration like getting into traffic from a side road or onramp. It is also great for priming your engine after the truck has been sitting for long periods.

It also makes it easier to start if you run out of gas a lot.
 
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Old Feb 21, 2009 | 01:43 PM
  #12  
Michael Gosline's Avatar
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Why someone did any thing is always going to be "the question for the ages".

So far it seems to work just fine with the stock mechanical pump in the engine.

Originally Posted by Jermafenser
No, it's not. As others said, it's an old electric fuel pump. Dentsides always came with mechanical fuel pumps installed on the engine.

Someone put it on there. Why did they do that is my question.
 
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Old Feb 21, 2009 | 03:01 PM
  #13  
Dr. Dirt's Avatar
Dr. Dirt
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yes, you can post pics in the forums. since you already have your pics loaded to Photobucket just post the [IMG] code into the reply box. when you push reply the picture will show up.

then you come out with something like this:
 
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Old Feb 21, 2009 | 05:19 PM
  #14  
Michael Gosline's Avatar
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Ya, I tried that.. instead of posting the actual pic, it just posted the code for it.

Someone said something about not being able to post pics until a certain number of posts or something.

Anyways... the thing is sitting on the table, mostly cleaned up but no clue what I'm going to do with it yet.
 
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Old Feb 21, 2009 | 06:44 PM
  #15  
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Throw it in the garbage, thats what I'd do with it.
 
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