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4R100 controller (without a Ford engine?)

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Old Jun 15, 2019 | 11:42 PM
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4R100 controller (without a Ford engine?)

I'm here to learn about being a powertrain apostate so here goes...

I don't know much about Ford transmissions, or the computer control modules related to them. But assuming I wanted to use the computer controlled 4R100 transmission with something out of the ordinary (anything from a carbureted gas engine to a mechanical injected diesel lets say, it shouldn't really matter - I have interests in this transmission beyond just one project actually) is there a way to do this with a factory Ford ECU or is my only option one of the fancy $2000 aftermarket controllers i've seen for sale?
 
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Old Jun 23, 2019 | 06:33 PM
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The stock ECU will need, at the very minimum, vehicle speed and throttle position for it to operate the transmission properly. RPM's do play a small role but but they are mostly referenced for heavy throttle/WOT operations.
 
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Old Jun 23, 2019 | 07:20 PM
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The stock controller does need to see engine RPM to work properly.
 
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Old Jun 22, 2020 | 12:12 PM
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Transmission computer

Where is the “stock controller” located? Part of the PCM itself?
 
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Old Jun 22, 2020 | 03:30 PM
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Yes, it is part of the PCM.
 
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