2014 Engine swap in an 2004
Asked by Gladstone101 Aug 10, 2018 at 11:53 PM about the 2004 Dodge RAM 1500 SLT RWD
Question type: Maintenance & Repair
Is it possible to install a 2014 5.7L Hemi w/ wiring
harness and PCM into my 2004 1500 Hemi? Is the
motor compatible with an 04 Transmission as
well?
4 Answers
The 14 ECM and wiring are probably not compatible with the 04 transmission.
If I have the transmission that goes with the motor should I run into any issues?
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You will run into fewer problems but you need the full smog system including the exhaust with cats and O2 sensors.
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If you have the donor truck you should have everything you need.
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