Straight Six Posted July 31, 2015 Share Posted July 31, 2015 Been trying to correct an uneven camber angle on the rear wheels of a friend's 1978 Spitfire. When both vertical links are disconnected from the rear spring, would you expect each of the spring eyes to sit at the same height from the floor? Thanks Quote Link to comment Share on other sites More sharing options...
esxefi Posted August 1, 2015 Share Posted August 1, 2015 it could be a tired spring,relaxed more one side than the other due to old ageor it could be due to settled bushes in the diff mountings.the energy that goes into the leafspring has to transfer somewhere and that is through the diff casing and its mountings ie rubber bushes.a small deformation of the bushes will exaggerate any unevenness of the spring eyes side to side.also poor lubrication of the leaves can cause problems and ridges can form where the leaves rub against each other affecting the whole efficiency of the spring. Quote Link to comment Share on other sites More sharing options...
WIMPUS Posted August 1, 2015 Share Posted August 1, 2015 Can be the rear trunnion bushes to .. Have you inspected these ? 🙂 Quote Link to comment Share on other sites More sharing options...
Chris_68 Posted August 1, 2015 Share Posted August 1, 2015 Hi,I had the same issue and the same causes as already mentioned, inspect the rubber bushes between the blades (if they still exist). I had a problem with the rubber pad in the pivot box was squashed to one side./Chris Quote Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 1, 2015 Share Posted August 1, 2015 also worth a check both drive shafts are the same length , run a tape measure over the main visible lengthPete Quote Link to comment Share on other sites More sharing options...
Straight Six Posted August 1, 2015 Author Share Posted August 1, 2015 Thanks for the replies. We had the spring out yesterday and it is brand new (not sure when it was fitted as my friend has only just bought the car, but the spring looks like it has just come out of the box). The drive shafts are the same length - first thing I checked - and the trunnions appeared to be ok but I will have a much closer look as I only gave them a cursory check. One thing that was strange was the fact that the previous owner had fitted one brand new shock absorber on one side but not the other, but I can't see how a shock can make any difference to the ride height.As I alluded to in my first post, it did strike me that with the vertical links removed the off side rear spring eye sat lower to the ground than the near side one. Quote Link to comment Share on other sites More sharing options...
Chris_68 Posted August 1, 2015 Share Posted August 1, 2015 Hi,I forgot to mention that it appeared to be the same with my shocks, one of them was older and didn't go back as easy as the other one when they had been compressed. If I were you would change the shock as well./Chris Quote Link to comment Share on other sites More sharing options...
Jonny-Jimbo Posted August 3, 2015 Share Posted August 3, 2015 Is a seal has gone or the damper is seizing up then it could be controlling suspension movement more than it should, and therefore affect ride height too. Quote Link to comment Share on other sites More sharing options...
sparky_spit Posted August 4, 2015 Share Posted August 4, 2015 Why not try swapping the shocks from one side to the other, and see if the problem stays or moves to the other side? Quote Link to comment Share on other sites More sharing options...
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