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Old Apr 3, 2015 | 12:03 PM
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retired ironworker
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EFI harness

I want to swap a 1995 351W into my 66 F100. I also want to use a Ford EfI. I have seen in the forums that a EFI from a 1989 F250 would be the best. I cannot find it anymore. Can this be done and what parts of the 89 do I need?
 
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Old Apr 3, 2015 | 05:08 PM
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You can use the wiring and computer from any year 5.8 truck but ideally it would be from a truck with a 5.8 and a manual or C6 auto, and a '91 or older will have the simplest setup, after that they went from a mechanical to an electronic speedo with a PSOM module that is part of the speed input circuit to the computer.
 
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Old Apr 5, 2015 | 12:19 PM
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Thanks Conanski. What wiring manual would you suggest for helping with the swap?
 
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Old Apr 5, 2015 | 04:27 PM
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An authentic Ford service manual would be your best bet.
 
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Old Apr 7, 2015 | 03:57 PM
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Thanks again.
 
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