Join Date: Jan 2015
Location: Injun Territory, 'Merica!
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Noticed your centerlink too close to the oilpan scenario. Have ran across this too many times & have mentioned it here before.
Just for further reference by owners using the search function, here are several of the common causes:
-motor mounts are in poor shape, today's entry level motor mounts just aren't made as well as '70's, 80's, 90's US & Korean manufactured replacement motor mounts, as a result these $25 replacement motor mounts don't hold up very well.
-FRAME CRADLE SAG. Very common with higher mile '64-72 GM Abodys with heavy engine options with full accessories: Have seen this too many times with muscle erà A body's, didn't matter if they were equipped with Pontiac 326-455's, Olds 400-455's, or big block Chevys. All are relatively heavy powerplant when fully dressed out with PS & AC. Decade after decade of around town, potholes, railroad tracks & country roads takes it's toll. Having a hard time keeping a factory alignment on the front end or the upper A arm shafts are already Moog chassis savers, the front cradle in the frame already has some sag in it.
-over last few years, a junk Chinese oilpan has been thrown into the mix. This oilpan is not properly recessed in the front & can also create on clearance issues with the centerlink.
Glad to hear you found the worn out lower control arm bushings. Lower control arm bushings & balljoints are often overlooked on these near 50 year old vehicles.