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Old 12-12-2021, 09:05 PM
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StuttVette
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I have two drive trains on the floor next to my 928 but can't piece the correct combination to get it all back together.

I have a 1979 928 Euro with a 5-Speed. The G28/03 tranny that was in it is old and very tired and I am installing a fresher G28/05 with a LSD.

In preparation for the swap, I bought the shorter Torque Tube and a later cross member, but it appears that I didn't get the cross member right.

The cross member that came out of my car is 928.331.131.13 and what I bought is 928.331.131.17 The newer one has the exhaust hanger tabs cast in, but that is the only difference I can see or measure. The offset of the tranny mount tabs appears unchanged between the two.

So I am still looking for a cross member, and would appreciate it if someone can let me know what part numbers have the correct dimensions for putting that G28/05 in my '79.

Much appreciated!
Old 12-13-2021, 07:32 AM
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Hi, you need the ones with the even end number, so the 14 or the 18.

Gr,
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StuttVette (12-14-2021)
Old 12-13-2021, 04:35 PM
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Excellent! Thanks for the tip. That explains why the 17 looks so similar to the 13.
Old 12-13-2021, 04:39 PM
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Anybody got one lying around that they want to sell?
Old 12-13-2021, 05:35 PM
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Auto-D: Thanks again for the info. Can you add to that: What year cars had those even-number X-Members? I assume it is 5-speed only, but I saw a discussion that implied ...18 was for an automatic?



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