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If the trans does not touch the crossmember, it won't make a difference.
I would look at the TT bearings and dampener.
And of course change the motor mount if you not already did.
Is the pressure on the flex plate have been checked?
As Mark said these are very available - Porsche just restocked - put stupid expensive.
Way to go Mark on getting them made elswhere.
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Does it have the "Do It Yourself" manual transmission, or the superior "Fully Equipped by Porsche" Automatic Transmission? George Layton March 2014
928 Owners are ".....a secret sect of quietly assured Porsche pragmatists who in near anonymity appreciate the prodigious, easy going prowess of the 928."
If the trans does not touch the crossmember, it won't make a difference.............
Not necessarily true, speaking from theory, not experience.
If the mount is completely collapsed so the red and yellow in Deans photo touch, increased vibration transmissions could exist even if the trans does not touch the cross member.
Originally Posted by Dean_Fuller
Here is another showing the metal to metal mount surfaces. TM.jpg
I agree its a band aid...but ..there will be NO NEW mounts one day if someone else does not produce them.
Stop panicing. If there is demand, just like all the other aftermarket parts for the 928, then someone will make it. By the look of things, Mark is already working on a possible rebuild and mayne other are too ( lured by the high price of the OE).
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