Here's a pic trying to show the tapered face and another showing the coating.
The camera doesn't capture it well but the face is tapered the same way on both rings. An interesting difference is the bevel on the inside of the Goetze ring. Not sure what that does.
The Goetze rings are black and "powdery" while the Mahle rings are smooth and shiny. The second pic also shows that when out of the bore, the Mahle ring's ends are closer together. Lower tension rings take less power to slide. It might break-in more slowly, though.
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1980 928S Euro x2
1987 944 N/A
Last edited by GlenL; 07-18-2018 at 10:58 AM.
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