 alternative firewall bearing for PMS -6 conversion linkage |
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 May 9 2022, 10:46 AM
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Member  Group: Members Posts: 81 Joined: 25-April 21 From: UK Member No.: 25,475 Region Association: None 
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My fairly-new-to-me -6 conversion has a Patrick Motorsport linkage. I would politely offer that it's not their finest piece of work. One of its shortcomings is that the firewall bearing is a spherical bearing in an aluminum holder. Thus there's metal to metal contact and after what I think are less than 1800 miles there is noticeable wear on the shift rod/tube.
I can see the logic behind using a spherical bearing; it allows for any slight misalignment of the rod from horizontal. But the metal to metal contact is crazy. Any thoughts on an alternative solution? Attached thumbnail(s)  
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May 9 2022, 07:03 PM
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Member Group: Members Posts: 81 Joined: 25-April 21 From: UK Member No.: 25,475 Region Association: None
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That’s a great find @Steve - looks identical. The shift rod is indeed 3/4” in diameter and the bearing’s OD is 1 7/16”. And note it’s meant for a steering shaft that merely rotates, not a shift rod that slides in and out.
@ChrisFoley , what are the dimensions of your bearing? I have found products like https://www.igus.co.uk/product/391?artNr=EGLM-20 and https://www.igus.co.uk/product/381?artNr=EFOM-20 but they’re all either for 17mm or 20mm shafts. |
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Posts in this topic
arbitrary alternative firewall bearing for PMS -6 conversion linkage May 9 2022, 10:46 AM
ChrisFoley Mine uses a plastic spherical bearing but I open t... May 9 2022, 10:51 AM Steve I have the same PMS setup on my six. I think its ... May 9 2022, 03:23 PM
Steve
That’s a great find @[url=http://www.914world.... May 10 2022, 07:30 AM
ChrisFoley
[b]@[url=http://www.914world.com/bbs2/index.ph... May 10 2022, 08:05 AM jhynesrockmtn My 6 converted vintage race car uses Chris's b... May 9 2022, 07:25 PM porschetub
My 6 converted vintage race car uses Chris's ... May 9 2022, 08:07 PM arbitrary In the short term I’m tempted to get a small pie... May 10 2022, 07:09 AM |
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