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Old Mar 18, 2015 | 08:27 AM
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Cab Swap

Im new to this site, read many good things on here that have helped me out greatly.
I have just picked up a 91 7.3 idi f250
no bed, cab is totally shot, only has 60k on it.
I have a 41 dodge 200 power ram cab and box that I plan on switching,
anyone have any advice on how hard it is going to be to remove the cab off the 91, and what will I need to put on the dodge body,
thanks in advance
 
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Old Mar 18, 2015 | 09:43 AM
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Sacrilege! Blasphemer!

Are you keeping the Ford front clip or changing that over to to to D*dge too?
If your keeping the front end you gunna run into body line issues and it will look
like a turd on wheels, you might run into wheele well issues aswell it might be a better fit to
Slam the idi(ford) power train into the ram if it is a rolling chassis

I have know other ideas other than a Buncha welding (mounts)
And bloody knuckles
 
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Old Mar 18, 2015 | 01:55 PM
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No blasphemy here. I'm totally into the idea of using Ford power in another brand of body. BTW. that 7.3 is a Navistar design. I would love to stuff a healthy Ford engine into a Camaro or tri five just to see their eyeballs pop!

Now on to practicality and the fact is the 40's era cabs of any make are far too narrow for a modern full size pickup frame. A Ranger frame would be my swap of choice, but lots of S10 and Dakota's have been done as well. Any of them would be a better choice.
 
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Old Mar 18, 2015 | 02:33 PM
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Welcome to the site. Four body bolts and the cab can roll off(after hacking some hoses and wires).

I'm guessing you are talking about a Power Wagon type body?

Or more along these lines?




I highly doubt you will fit that 7.3 under that narrow hood. Sounds like a cool project, but I'm thinking you'll be cutting on the sides of that hood to make things fit. LEt alone fitting it in front of the stock firewall. Not that anything can be made to fit, but not just going to bolt it together and go.
 
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Old Mar 19, 2015 | 08:36 AM
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thanks for the replies guys, any in put helps, and yes it is that exact style, EXACT
I know its going to be a big project and consist of a lot of fabricating but I think in the end it will be worth it, I love seeing these old trucks come back to life
 
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Old Mar 19, 2015 | 11:51 AM
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i like the idea.
besides the tight engine space, the biggest thing you will find is you will need to make all new cab and body mounts. the ford frame is 36 inches, the dodge will be 33 inches. so you will need to fabricate now mounts.
not a big deal really, i had to do it to put the pickup bed on my F-superduty.
 
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Old Mar 19, 2015 | 11:56 AM
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The only thing that worries me is the electrical, ...
 
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Old Mar 19, 2015 | 12:01 PM
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use all the dodge wiring if it is in good condition, except convert it to 12 negative ground from the 6 volt positive ground.
convert the engine gauge hookups from electrical to mechanical and use the stock dodge gauges.
 
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Old Mar 19, 2015 | 12:03 PM
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Those early 7.3's shouldn't be too hard to wire up(aren't they still all mechanical motors? Unlike a Powerstroke). Keep the wiring harness from the 91 and then mark what you take off the motor. Buy a Chilton or Haynes with the wiring diagrams in the back and you'll just have to trace things and just cut out what you don't need. Will be time consuming.
 
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Old Mar 19, 2015 | 12:05 PM
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the IDI only needs 3 power wires. one to the fuel shutoff switch in the injector pump, one to the glow plugs, and one to the starter rely.
 
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Old Mar 19, 2015 | 12:05 PM
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It'll be a big project, but not rocket science. I know if I tried to tackle it I'd take at least a couple years to get it done, working between the interruptions known as "life." And the electrical would take me way more time that it seems like it should. But again, it's not that hard, it just takes time.

And by the way, this is not what I'd call a "cab swap". That implies just taking one off and putting another on where it was all made to go together. This is a much bigger (but much cooler) project than that.
 
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Old Mar 19, 2015 | 01:06 PM
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There is absolutely nothing in the dodge cab, it's totally bear but it's solid no rust, that's why in using it, I will probably just go with advance auto specials for tach speedo temp, unless someone has a better idea.... I don't want to cob this to bad
 
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Old Mar 19, 2015 | 01:18 PM
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Autometer or maybe Stewart Warner make much better quality guages. That's just me.

Seeing the 7.3 is only three wires, then I would not even try to use any of the 91 cab wiring. Get yourself a new harness, like Painless or Ron Francis and start over.
 
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Old Mar 20, 2015 | 07:19 AM
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and their aint much to hooking those gauges up is there?
 
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Old Mar 20, 2015 | 07:52 AM
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Mechanical guages are easy. The electric versions are too. They all come with simple diagrams for it.
 
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