[T3] torsion arm needle bearings and machining Delrin bushings

Jacob Wener jacobjwener at gmail.com
Sun Jul 12 16:54:05 PDT 2020


Thanks Max- that thread of your work is super helpful. I’ll comb through it all when I get a minute. 

J

Sent from my iPhone

> On Jul 12, 2020, at 2:23 PM, Keith Park <topnotch at nycap.rr.com> wrote:
> 
> all those parts are readily available, try the Samba, I see them on there
> regularly.
> 
> Keith
> 
> 
> Topnotch Restorations
> topnotch at nycap.rr.com
> http://www.topnotchresto.com
> 71 Squareback  "Hothe"
> 65 Notchback  "El Baja Rojo"
> 93 RX7  "Redstur"
> 13 Subaru Outback "Blendin"
> 
> -----Original Message-----
> From: type3-vwtype3.org [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
> On Behalf Of Jacob Wener
> Sent: Sunday, July 12, 2020 12:14 PM
> To: type3-vwtype3.org at lists.vwtype3.org
> Subject: [T3] torsion arm needle bearings and machining Delrin bushings
> 
> Hello All, 
> 
> Just bought a 70 square back, and the drivers side upper torsion arm needle
> bearing (and thrust ring) appear to have exploded into nothing long ago.
> With no luck finding the bearings or thrust rings, or even an off the shelf
> urethane bushing to replace them, I'm onto machining my own bushings out of
> Delrin.  The debate is- do I just make a bushing to replace the outer needle
> bearing and thrust ring, and leave the original inner bush in place (as it
> appears to be ok) or should I machine a whole sleeve to replace everything?
> Has anyone done these for a type 3 beam that could help provide some insight
> as to what dimensions I should machine the bushings to? 
> 
> Thanks in advance. 
> 
> Jacob 
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