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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

How these ecms work?

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Old Apr 7, 2021 | 08:51 PM
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How these ecms work?

I’ve been doing reading about swapping a 351 into a 1995 f150 with a 302 with a 5 speed however I’m not sure what ecm I need. I know I need a ecm from a formerly 351 truck with a 5 speed but do I need a specific year, does it need to come from a 4x4 truck since mine is 4x4? Stuff like that is my main worry. Any input would be appreciated.
 
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Old Apr 7, 2021 | 09:09 PM
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I read on another thread that you could use a ecm out of a f250 or f350 as well as long as the truck is manual. Can anyone confirm or deny this?
 
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Old Apr 7, 2021 | 10:03 PM
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As far as I know, the ECM has to be an exact match to the engine and transmission combo. I have a 302 with an AOD and if I was to get a replacement ECM it would have to match that combo. Not sure about the year.
 
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