magnum manifolds in a early a

Denvermike said

In a perfect world the axis of the trans output shaft is parallel to the axis of the diff. input shaft. This would be true for up and down and side to side . The amount we are talking about here will not make much of different. The more things are off the shorter the u-joint life up to $#?/\%. The comment about shimming the trans mount sound good.

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Love that "in a perfect world..." line, because this one sure ain't. Then when ya factor in working on old MOPARS, the opportunities for difficulties increase dramatically. I just made a S.W.A.G. about shimming the tranny mount half as much as the engine mounts. That should bring the angle on the front joint closer to original. I haven't found any of the several write-ups on driveline alignment to offer suggestions as to how much misalignment was too much. Just seems like the closer to factory you can get, the better.

BC