[Roadsters] Reproduction Rear Leaf Springs Front Bushings Replacement For drained Polyurethane?

[Pete Peters]

Just buy the replacement bushings from Dean. Press out old, press in new. Done.

Pete 
  Original Message  
From: David Bloyer via Datsun-roadsters
Sent: Friday, August 31, 2018 3:35 PM
To: datsun-roadsters at autox.team.net
Reply To: David Bloyer
Subject: [Roadsters] Reproduction Rear Leaf Springs Front Bushings Replacement For drained Polyurethane?

I have had the unfortunate luck of having the polyurethane go to liquid and drain out on 4 year old replacement leaf springs with aftermarket pressed in front bushings. The vendor no longer sells this version, so that’s good for others, but not my luck.

The vendor indicated that I should remove the springs, press out the old ones and press in a new vulcanized version they sell. 

I was curious if anyone had ever tried (or has thoughts about) a custom Delrin sleeve (there are vendors on eBay that can make these) that would fit in the area of the gap between the outer bushing and the inner one (I.e.: where the polyurethane used to be)?

I know that the Delrin would not be as compliant as the polyurethane, but it would save a heck of a lot of work to find a replacement for this gap instead of tearing the back end apart again.

If this is a viable option, anyone know the approximate diameters (outer and inner) for the polyurethane ‘gap’? I’d measure mine exactly for final order, but I’d use this info to see what approximate cost is likely for the vendor to make a sleeve.

Car is a 1968 2000, btw.

Comments appreciated and thanks in advance. 

PS: first post ever to forum, but watcher since 2010. Many great tips and suggestions over the years here.
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