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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

1991 E4OD to C6

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Old Jun 9, 2014 | 08:19 AM
  #1  
cherrybomb37's Avatar
cherrybomb37
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From: Jackson,MN
1991 E4OD to C6

Currently swapping in a C6 in place of the POS blown up E4OD, its a 78 C6 so im wondering about kick down linkage the actual shifting linkage looks like it will swap with little modification, but the kick down is the old lever action style and I know on my 89 it was a actual cable. Ideas???
 
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Old Jun 9, 2014 | 11:34 AM
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cbakker
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From: West Central Southern MN
No idea on the linkage, but your EEC-IV isn't going to know what is going on with the tranny. I think it will still work, but it will take quite a bit of tinkering on things like your linkage.
 
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Old Jun 9, 2014 | 11:40 AM
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eakermeld
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The computers on these trucks don't talk to the C6 so you don't have to worry about that.
 
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Old Jun 9, 2014 | 01:11 PM
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cbakker
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I guess I only mentioned it because it will throw a CEL and a few codes. He'd also have to deal with the harnesses safely.
 
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Old Jun 9, 2014 | 01:45 PM
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cherrybomb37
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From: Jackson,MN
I am taking a ECU out of my parts truck which is a 91 that had a 4 speed so that should work. linkage actual fit like a glove! so its just the kick down now... a lot of guys say screw it if you really need to down shift a C6 do it manually which I guess I can say with my old truck It never really down shifted. But since im not a half asser any ideas?
 
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Old Jun 9, 2014 | 02:03 PM
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rla2005
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Glad you have a 4-speed manual PCM ready to go in, otherwise you would have gotten a constant CEL.
 
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