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  #1  
Old 12-26-2012, 01:34 AM
Tbm Tbm is offline
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Default 4.7 engine swap I need help

I have a 03 dodge 4.7 32 tooth. and put a 02 4.7 16 tooth engine & trans in the 03 truck and with the 02 ecu & wires it runs but the trans. won't shift & with the 03 ecu & wires it doesn't run. Would anyone know if I can get the 03 ecu reprogrammed to work with the 02 engine and if not what can I do to make this work??? I have both trucks so ther has to be a way to make it work
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Old 12-26-2012, 12:08 PM
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I'm not real sure, I'd talk to member superiorstyles he is very knowledgable on the 4.7L.

What is the difference, the 32 and 16 tooth, can you swap one to the other to make it communicate with the pcm correctly?
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Old 12-26-2012, 12:49 PM
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I'm trying to see if I can reprogram the 03 ecu to work with the 02 engine or what do i have to do to make this work. the 03 is a 32 tooth and the 02 is a16 tooth

Last edited by Tbm; 12-26-2012 at 12:52 PM.
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Old 12-26-2012, 01:02 PM
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I'm not sure on the programming. Maybe Nick at airram.com would know that. Or maybe could contact SCT.

The difference in teeth count is what on the pickup for the cam or crank sensor or something? Are they interchangeable with the different years? Maybe swap that pickup ring/gear/whatever it is.
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Old 12-26-2012, 01:26 PM
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They or interchangeable but I'm trying not to take the engine apart to do so thanks for the info ther has to be anther way to make this work
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