Quote:
Originally Posted by Cobra #3170
I agree that could be the issue, the cradle uses the same bushing that the original uses a rubber bushing with a threaded insert that takes two 5/8" bolts one on either side. If the bushing were completely gone (it isn't) the nose could go up a maximum of .6" before metal to metal contact. I am going to put a hydraulic jack under the the front of the rear end and try to force it up today to see how much movement I get. The bushing is a sleeve within a sleeve it has an outer sleeve that is approximately 1.75" in diameter and then the inner which is about .93" tapped for the two mounting bolts that come in from the sides of the double shear mount in the car.
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I just remembered how the mount is configured, what I described is incorrect.
There are two metallastic bushings pressed in on each side of the mount, in the center is a floating threaded sleeve that is positioned via a 90 D. 1/4" threaded hole. The mount has a clearance hole that is used to position the sleeve with a 1/4" bolt to start both main mounting bolts, it is then used to keep the sleeve from rotating while torquing the main mount bolts, after torquing you remove the 1/4" bolt.
The transmission and rear end are not inline in a top view because the engine is offset to the right but is supposed to be flat in the side view, if the front of the diff moved up it could put the U-joints slightly out of phase. I thought about making the front mount solid but did not because I did not want to cause drive line failures from shock loading.