Quote:
Originally Posted by davo69
neil thats crap
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I would explain why but Ian did it for me, thanks mate. You can of course explain why my statement was wrong if you like.
Tyre pressure can also effect you speedo as can vehicle loading. I did not say it would effect it a lot but 2.5% is quite a bit.
It would be worth checking you car has the correct tyres on it. I bought a car a few years ago that had the wrong profile tyre on that made quite a big difference to the speed displayed.