[urq] Delrin bushings

[Nate Stuart]

> Does anyone have the dimensional specs for the control arm bushings on the
> 4k, URQ, & CGT cars?
> I have a lathe and can get Delrin rod from our vendors. I have made
> suspension bushings for old Jaguar cars (friends, etc.) form Ultra Hi
> Molecular Weight Polyethylene (UHMWPE), and would like to try to make some
> Delrin units for my URQ.

I've got one here fresh off my 4kq. The dims are as follows (with some bad
ASCII art :)


 _|-----A----|
 | |________    __
 | |                |     |
|| |                |`|   B
|| |                |,|   |
 | |________|   _|_
 | |                  |
 |-|                  |
 C                  |
|------D------|

A = 29.01mm (length of metal sleeve that gets pressed into the arm)
B = 37.15mm (diameter of metal sleeve)
C = 5.75mm (thickness of collar, including rubber)
D = 44.10mm (length of metal bushing/sleeve for the bolt)

The sleeve that goes through the bushing has an inner diameter of 10mm.

> Do the commercially available units use a steel center sleeve?

Stock is. I've seen folks with other Delrin setups using brass, easier to
machine.

> What sort of clearance do they have, e.g., press fit, etc.?

My metal bushings were most definitely a press fit.

P.S. How much for a set?!?! I'm very interested. I was going to make my own,
but the fellow I knew with the lathe equipment moved to the other side of
the country! :(

HTH!
-Nate


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