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smokeythedodge

6.7 will run in a 03-07 truck.

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I seen it. Truck came into the shop yesterday evening for a rear end rebuild. It was an 03 04 05 model dodge dually, dont know for sure, but by god it had a 6.7 in it. Guy i work with asked the guy about it and he said it's true, if you put a 03 or 04 set of injectors in the 6.7 and use the ecm off an 03 or 04 it will work. Never had the opportunity to screw around with a 6.7- too new.... so I dont have a clue if that is correct. anybody know for sure? obviously he did something to get it to work haha.

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Displacement shouldn't make any difference in making it run as long as everything electrical is hooked up. Wonder why the truck had a transplant?

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Displacement shouldn't make any difference in making it run as long as everything electrical is hooked up. Wonder why the truck had a transplant?

yeah, i was just surprised i guess, had no idea they had interchangeable injectors. Said his motor developed a knock so he decided to put a newer model in for some reason. old gentleman, one of those that likes to drag his camper around the us and change his oil with amsoil every 3,000.

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It will work, and the displacement is a turbo spooling machine!The heads have the same bolt patterns, but the 6.7 head is a little different for cooling the siamese cylinders. Injectors don't matter AFIK, just need a 5.9 wiring harness.

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The 03-04 have the same piston design also as the 6.7's. They changed the piston design for the 04.5+ engines because of the 3rd injection event. The "pre-'04.5" engine are known to be more fuel efficient engines also.

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