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-   5.7L V8 Specific Topics (http://www.ramforumz.com/forumdisplay.php?f=185)
-   -   Engine Swap 2003 5.7l Hemi to a 2007 5.7l hemi (http://www.ramforumz.com/showthread.php?t=152919)

CalgaryRamz 09-14-2013 02:45 AM

Engine Swap 2003 5.7l Hemi to a 2007 5.7l hemi
 
Hey people Wife blew my 2003 5.7l and I bought a 2007 5.7l and the shop I bought the perfectly running 2007installed it and its running real bad. Apparently he had to swap over my old valve covers because the wiring on the 2007 didn't fit the solenoids/coil pack. is there a difference between the 2 engines?

HemiLonestar 09-14-2013 03:01 PM

Yes. The 03 engine doesn't have EGR or MDS. The 07 engine has both. As long as you used the 03 VC's and coils that should work fine. I believe there are also differences between the intake manifolds.


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