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  1. #21
    Join Date
    Jan 2006
    Location
    Chelmsford Essex
    Posts
    662
    I have seen reports of some people converting over to poly superflex or powerflex purple bushes. Reports of harder ride and squeaking so I have stayed away from them. It will be interesting to see if any one has good reports.

    https://www.powerflex.co.uk/products...29-2816/1.html

  2. #22
    Join Date
    Aug 2004
    Location
    Christchurch, NZ
    Age
    58
    Posts
    2,257
    I'm not a fan of poly bushes for just those reasons. Rubber bushes may deflect slightly but they are frictionless which the poly bushes are not. However, for the shock mounts which see very little angular movement I think they would be OK.
    Cheers

    Myles D-W

  3. #23
    Join Date
    Aug 2004
    Location
    Christchurch, NZ
    Age
    58
    Posts
    2,257
    Regarding the shock bushes, I got a reply from Spax:

    "Sorry to say I have no idea which bush that is as the damper precedes 1999 when our company changed hands."

    But they did supply a useful looking link:

    https://spax-suspension.com/Spax%20Bush%20Details.htm
    Cheers

    Myles D-W

  4. #24
    Join Date
    Mar 2008
    Location
    warks
    Posts
    84
    I swapped to AVO shocks a few years ago and have found them an improvement over the spax - easier to adjust and came with harder polyurethane bushes. Interesting that you felt the original spax were too short..I replaced them with ones the same size but followed cheng's advice about spring rates. I too am rebuilding after 25 years - the rear end and other jobs that appear. I have r had the diff rebuilt and changed the ratio, replaced the rear discs and calipers and painted the chassis with POR15 where the coating is flaking off. I bought a Corsa steering rack to fit power steering, so I could fit bigger tyres to the front , but haven't fitted it yet. People seem to rate it so hopefully it will be a good upgrade. I have left all the bushes as original jaguar, and have been amazed at how easily the suspension has stripped down and re built - compared to the nightmare I had stripping the original axle when I built (everything had seized). Another vote for copper grease!
    Went to the Kit Car show yesterday - seems to be a shadow of its former self , less stands and no 'new ' kits, and a lot less owners cars. Sad.

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