Join Date: Aug 2008
Location: Port Perry, ON. Canada
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I also have an '05 with similar modifications, cam, 50HP injectors, turbo etc. and it is very smooth with or without load. The idle with the balanced injectors and cam is super smooth. You mentioned a new OE motor but the cam bearing was shot...was this the result of installation damage from the aftermarket cam?
There are so many places to look for vibration issues but you need to isolate if it is from the drive train or engine. Since you've ruled out u-joints, diff issues what about things like a loose damper...I have a Fluidampr and they are much heavier than stock and need special bolts and locking washer to be sure they stay tight. Is the fan tight / no loose bearing.
If your driving on the highway and push the clutch in, does anything change.
Hope somebody has some more ideas.
2005 Dodge Ram 2500 4x4
BullyDog Triple Dog, MBRP Duals, FASS, Fluidampr, AFe Intercooler, Wilson Manifold, Garrett Stage 2 Turbo, Firestone Ride Rite, PacBrake, Transfer Flow, Surlastic Springs, ATS Pulse Flow Exhaust Manifold, Snow Stage 3 Water/Methanol Injection, Quadzilla Boost Fooler, Flex-a-Lite electric fans,