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Damper question relating to top half wishbone


The Stig

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Car back on the road after a winter refresh and feels great. But...

 

the suspension is terrible and trying to adjust I realize one of the Spax adjuster screws just keeps on turning and does nothing. Unfortunately it is also on the softest setting and could make track experiences very interesting! So time for a new set.

 

Anyway, the car is an '85 S3 LA with the later upper half wishbone setup so can anyone advise whether this needs anything different from the standard dampers/springs?

 

Some LA front damper sets I have found talk about post 1989 or thereabouts - Gaz or Avo (PC565 front, PB148 rear) most likely route (on a budget) but other options also considered.

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I would agree that the Bilstein's are not adjustable.

 

You might want to contact Caterham parts (Darren) and ask what the proper length is for an '85 LA. Seems like I've seen posts on Blatchat about how there have been periodic changes in the chassis that require different lengths.

 

Steve

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I think I have found what I need.

 

The Caterham supplied Billys are not adjustable but you can get a kit to convert them for ride height adjustment. No damping adjustment though. That just makes them much more expensive than comparable items from Gaz, Protech etc that are adjustable.

 

I am leaning towards Gaz. I have had two sets before and are very good value, last well and look good. Protechs look great and are all alloy although do have a much larger eye surround for the bolt holes than steel items so may need some 'adjustment' (grinding off!)

 

The consensus on lengths between centres of eyes/ top of rear (to suit my LA car) are:

 

Front: 315mm

Rear: 440mm

 

Just as an FYI and get all my options on the table, I will also go with these springs rates:

 

Front: 275lb

Rear: 140lb

 

.. and if I dont like them, springs are only about a tenner each.

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