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    #31
    Originally posted by Jean View Post
    Theres 4 points holding the entire engine and trans. 2 in the front sides, 2 in the back sides (engine mounts / trans mounts). If you remove 2 of those points, and it's the front 2, the pivot point becomes the middle of the back 2 (so the entire engine/trans can pivot upon the center of the trans mounts). So use your imagination, the engine can swing either way from left to right until it hits something. This may not happen due to the fact that trans mounts only stretch so far, grounding straps hold the engine, etc... but you get the idea. Replace your engine mounts if they are questionable and go from there.

    This makes sense, I have not replaced my engine mounts yet, I do have new oem mounts but was waiting for IE mounts and then canceled the order as they were on back order...

    You were actually able to SEE a mis-alignment in the driveshaft? To measure one is one thing, but to be able to visually notice a difference in angle is BAD. Was this car wrecked? The center u-joint will take the abuse from a non-straight driveshaft alignment, but that will wear the CSB and u-joints prematurely, and it can't be good for the trans output bearings and diff input bearings.

    No, we could not see the mis-alignment (or in this case really it was a deflection of the drive shaft), it was in the center of the tunnel. Car was not wrecked, we used a long straight guide to check if the front and rear driveshaft parts are on the same horizontal plane if you think of it that way.
    Yup, I know what you are sayin. That shouldn't be like that as far as I know. However, if it was straight from end to end, and the center was off, then the CSB is mounted wrong or something. If not, the motor mounts would have to be TRASHED to be so far off to cause that. Or, the diff is crooked (trashed sub frame mounts?). I don't know, I've never seen a problem like this before.
    85 325e m60b44 6 speed / 89 535i
    e30 restoration and V8 swap
    24 Hours of Lemons e30 build

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      #32
      Subframe mounts look ok (looked at them when I did the trailing arm swap) but the engine mount bushings are overdue (squished and cracked). I didn't know how big of an effect they would have on other things.... learning experience :D
      Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205



      OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827

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