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  • shims fao mike r

    mike, will these shims alter the rear camber? i know the ones you do fit between the 2 rear bolts, where as these are like tapered spacers will they work and stop excessive tyre wear? over to the experts

    itll help if i post the right link,lol

    http://passionford.com/forum/showthread.php?t=291741

  • #2
    I actually have a set of these on the shelf sent as a sample, but I am uncomfortable about selling them, as in my opinion they put too much stress on the hub bolts.

    My shims are very thin and only alter the toe (see here for explanation): http://www.randbmotorsport.co.uk/sho...?ProductID=178

    The tyre wear is caused 50/50 by the toe out AND the excessive negative camber on full squat under acceleration etc (the reason why a slammed 2wd Cossie has ZERO traction ). My shims remove the natural toeing out caused in forward motion by bush deflection etc, which greatly improves the tyre wear. Obviously to get rid of the variable suspension geometry that the rear of every Cosworth has, can only be achieved with the fitment of a 6° rear beam. So this is "half" a fix (but a very cheap half ).
    Mike Rainbird

    Click above - Sarcasm is just a free service I provide.

    http://www.rsnorfolk.co.uk/

    Nordschleife, there's only two barriers to worry about - the ones on the left and the ones on the right .

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    • #3
      I'm gonna knock a set up and see if they work
      XYZ Fabrications
      Bespoke, custom and low batch quantity cnc profiling, engraving and fabriactions, 07917757695

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      • #4
        I've got a set of Mikes shims that I dont need, £5.00 delivered (If I can find them, I THINK I know where they are!).
        sigpic

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        • #5
          Originally posted by Monster View Post
          I'm gonna knock a set up and see if they work
          Dave,
          Save yourself some time and effort and PM me your address and I'll send you the ones I have. However, I accept NO responsibility what-so-ever for any issues, these are FOC and fitted at your onw risk . Feel free to report back on how they make the car feel very strange and as if on tip-toes .
          Mike Rainbird

          Click above - Sarcasm is just a free service I provide.

          http://www.rsnorfolk.co.uk/

          Nordschleife, there's only two barriers to worry about - the ones on the left and the ones on the right .

          Comment


          • #6
            Originally posted by Mike Rainbird View Post
            I actually have a set of these on the shelf sent as a sample, but I am uncomfortable about selling them, as in my opinion they put too much stress on the hub bolts.

            My shims are very thin and only alter the toe (see here for explanation): http://www.randbmotorsport.co.uk/sho...?ProductID=178

            The tyre wear is caused 50/50 by the toe out AND the excessive negative camber on full squat under acceleration etc (the reason why a slammed 2wd Cossie has ZERO traction ). My shims remove the natural toeing out caused in forward motion by bush deflection etc, which greatly improves the tyre wear. Obviously to get rid of the variable suspension geometry that the rear of every Cosworth has, can only be achieved with the fitment of a 6° rear beam. So this is "half" a fix (but a very cheap half ).

            Hi Mike

            too be honest the shims are very good , my back end on my 3dr cos is shimmed

            if you do sell these and you are uncomfortable about selling them just explain the situ

            what i have noticed with alot of people with their cossies they all are set at different hieghts , im sure this would make the sims work different on each car ?

            is there a pasific hieght the car has to be to get best use out of them ?

            this is what we did to the Mk1 and the Mk2 escorts yrs ago shim the hubs it is a good idea and they do work well

            marco


            escort cosworth Grp N rwd in the making http://passionford.com/forum/showthread.php?t=207127

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            • #7
              Marco,
              I'm only uncomfortable about selling the large wedge shaped shims that fit the whole of the hub, not the ones I sell that go on the back two bolts...

              Obviously the ride height affects the static geometry and then the amount of squat dictates the rest.
              Mike Rainbird

              Click above - Sarcasm is just a free service I provide.

              http://www.rsnorfolk.co.uk/

              Nordschleife, there's only two barriers to worry about - the ones on the left and the ones on the right .

              Comment


              • #8
                Originally posted by Mike Rainbird View Post
                I actually have a set of these on the shelf sent as a sample, but I am uncomfortable about selling them, as in my opinion they put too much stress on the hub bolts.

                My shims are very thin and only alter the toe (see here for explanation): http://www.randbmotorsport.co.uk/sho...?ProductID=178

                The tyre wear is caused 50/50 by the toe out AND the excessive negative camber on full squat under acceleration etc (the reason why a slammed 2wd Cossie has ZERO traction ). My shims remove the natural toeing out caused in forward motion by bush deflection etc, which greatly improves the tyre wear. Obviously to get rid of the variable suspension geometry that the rear of every Cosworth has, can only be achieved with the fitment of a 6° rear beam. So this is "half" a fix (but a very cheap half ).

                mike do you mean too much stress because the bolts will be tightened in more to pull the hub flat/straight or just through general driving stresses?

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                • #9
                  Both. I just don't like the idea of them at all.
                  Mike Rainbird

                  Click above - Sarcasm is just a free service I provide.

                  http://www.rsnorfolk.co.uk/

                  Nordschleife, there's only two barriers to worry about - the ones on the left and the ones on the right .

                  Comment


                  • #10
                    ...the mike r shims are great you can actually see the rear wheels sit different after putting them in...well they did to me

                    ....for road use a must forget a grp a beam.....leave that to those wannabe racing drivers
                    sigpic
                    BOSCH PARTS 07759984033
                    INJECTOR CLEANING

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                    • #11
                      Which bolts do these shims attatch?

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                      • #12
                        Originally posted by Bosch Man View Post
                        ...the mike r shims are great you can actually see the rear wheels sit different after putting them in...well they did to me

                        ....for road use a must forget a grp a beam.....leave that to those wannabe racing drivers
                        Group A beam is not a lot of point IMHO, huge cost, pain to get spares, high maintainance on the mag parts, and still only a 9° pickup point offset... Be much better off with an Adrenaline or Ahmed beam

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                        • #13
                          suhe are a reputable firm though so i wouldnt have thought they would sell substandard stuff?

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