7.3 electronics
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Junior User
Joined: May 2005
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From: New Orleans, Louisiana
7.3 electronics
What electronics would I need to keep when robbing a 7.3 from a early 90's model f250??? Does it have a ECM and if so what does it control?? My plns are to install it in a 1966 f100. I want to use my old body with the diesel engine. Any suggestions or information would be greatly appreciated.
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Junior User
Joined: May 2005
Posts: 80
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From: New Orleans, Louisiana
I am going to try to use the f250 frame if possible. I would like to go with a automatic but do not know what is currently attached to the 7.3............would a big block C6 bolt up and work with the 7.3?
Post Fiend
Joined: Nov 2004
Posts: 5,638
Likes: 1
From: Manitoba
The diesel had a C6 available on trucks until 93 SD........you would need the C6 specific vacuum assy and kick down rod on the IP etc. If the 90 has the E40D then you can get an aftermarket electronic shift controller .......Baumanator........ rings a bell
Gear ratios in the trans have to be for a diesel.......
Gear ratios in the trans have to be for a diesel.......
Last edited by PLC7.3; Sep 22, 2006 at 10:02 PM.
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Junior User
Joined: May 2005
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From: New Orleans, Louisiana
To be honest I am totally new to the 7.3 and its options and different varities so any information would be appreciated. The big block C^ will bolt up to the 7.3 without any modifications??
Hotshot
Joined: Feb 2004
Posts: 11,697
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From: Marengo, Iowa
The 460 C6 will not bolt to the diesel, it has to be a diesel C6. There were no real electronics for the pre 94 motors, it was only for the trans, the motors are pure mechanical, the only electric you need is for the fuel solenoid. The 7.3 IDI is a few hundred heavier than the 460.
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Junior User
Joined: May 2005
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From: New Orleans, Louisiana
the glow plug heater only needs a hot and a ground to work is the plugged into the fuel pump electronics??
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Hotshot
Joined: Feb 2004
Posts: 11,697
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From: Marengo, Iowa
Well, the glow plugs are another story, but it depends if you want automatic function or can tolerate just a simple toggle switch to operate the relay. The key suppies power to the controller, and the controller has a temperature sender and a kind of timer to keep it from running all the time. I don't have a wiring schematic to do the controller, but the toggle switch works nicely, and much less hassle and cost...
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From: Marlboro Mental Hospital.
if you use an idi diesel, there are no electronics at all on the engine. the only electrical components are the glow plug controller, and a switched 12 volt line to the fuel shut off switch, besides the normal gauge sending units.
if you use a powerstroke diesel, which is a computer controlled engine, you will need the complete computer and wiring harness.
so basically, before 94, is idi, and after 94 is powerstroke.
if you use a powerstroke diesel, which is a computer controlled engine, you will need the complete computer and wiring harness.
so basically, before 94, is idi, and after 94 is powerstroke.
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
Using a 7.3 IDI makes the glow plugs simple, you run battery power tot he battery terminal on the controller and ignition switch voltage to the ignition terminal.
No computer, no ECM, no PCM, just ignition switch, fuel lines and battery wires.
An IDI will start and run with four wires connected to it, negative battery, positive battery and ignition switch run and start wires.
Of course you need a few more wires for the alternator and gauges, but you don't need them to make it start.
Only diesel transmissions will bolt up, but any transmission from a Ford diesel 1983 thru 2003 will bolt up. I have not checked to see if the ones behind the 6.0 will fit or not.
No computer, no ECM, no PCM, just ignition switch, fuel lines and battery wires.
An IDI will start and run with four wires connected to it, negative battery, positive battery and ignition switch run and start wires.
Of course you need a few more wires for the alternator and gauges, but you don't need them to make it start.
Only diesel transmissions will bolt up, but any transmission from a Ford diesel 1983 thru 2003 will bolt up. I have not checked to see if the ones behind the 6.0 will fit or not.