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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

EFI conversion

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Old Jan 29, 2003 | 11:01 PM
  #1  
MGT351's Avatar
MGT351
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From: Munford Tn
EFI conversion

looking to convert a 70 F100 to EFI 5.0, can anyone tell me what wiring harness they used and were did you mount the computer?
 
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Old Jan 30, 2003 | 08:00 AM
  #2  
Ohio Bill's Avatar
Ohio Bill
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From: Bowling Green, Ohio
EFI conversion

Have you read Donald R. Haulsee's article, in the "tech articles" section of this sight? It's under the 1998 articles, and describes his installation of an EFI 5.0 in his truck. I haven't read the article in a couple of years, but I recall that he had a list of parts and good directions on wiring and computer mounting.

Ohio Bill
1972 F100 360 4v 4 speed
1968 Torino GT 429 4v 5 speed
 
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Old Jan 31, 2003 | 12:48 AM
  #3  
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krazdndenver
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From: Denver
EFI conversion

I am in the middle of this project. I built my own harness using the best ends I could find in the bone yard. I also soldered all the connections then sealing them with dielectric grease and shrink wrap. It was a lot of work, put PAINLESS WIRING is not painless on the wallet. If I was being payed to do this for someone I would have went with painless to make this quicker and easier. You can see this at the following web page, which I need to update some of the new pics. There is quite a bit more then putting in an engine and computer. If you decide to do this and need some advise or have questions I will help you with all that I have learned so far.
Robert
72 F100 Ranger XLT W/ 86 5.0L W/ AOD
www.geocities.com/krazdndenver
 
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Old Feb 1, 2003 | 01:30 PM
  #4  
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Alan P
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EFI conversion

Get a factory EVTM (electric and vacuum troubleshooting) manual for the donor model, unbelievable amount of wiring details,diagrams and illustrations.
I'd like to do a similar transplant in my 71 F250, with a later model 351w and E4OD.
Alan P
 
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Old Feb 11, 2003 | 02:33 PM
  #5  
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fisheye
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EFI conversion

Originally posted by MGT351
looking to convert a 70 F100 to EFI 5.0, can anyone tell me what wiring harness they used and were did you mount the computer?
I used the harness from Ford Motorsports It is in their cat. I ordered mine as a kit and it included all of the wiring, computer, sensors and instructions on installation. It was a lot easier to install than trying to buy items seperatly. If you would like a picture just email me and I will send you a couple of the installation.
Norm
 
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