3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Engine Swap questions

Old Mar 31, 2007 | 10:06 PM
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ScienceOfSpeed's Avatar
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Engine Swap questions

i have an 03 with 87 thousand miles on the engine, i have the ability to swap my 5.9 diesel with another 5.9 that is from an 05 with 21 thousand miles on it. what is compatible? i know the 05 does not have a throttle cable, what sensors will work with my truck and what wont work?
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Old Apr 1, 2007 | 07:56 AM
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I'll take a stab at this one.

The engine should work if it is swapped. However you would have to use your old ecm. Here is where it gets a little weird: The 03 engine will have less injection event cycles compared to the 05 engine....question is will it run ok or not? That answer I dont know.
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Old Apr 1, 2007 | 08:32 AM
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why would you want to do this?

brett
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