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imadoofus · 12-10-2006, 03:39 PM

My bargain-bucket Volvo 850 just sailed through its MOT (with only an advisory for a slight puff from the downpipe)

But: The tester said to me that he'd noticed I have been rubbing the inner arches on full lock, but he couldn't replicate it on the ramp, so he couldn't fail it.

Apparently, my car should run 195/60 15"s all round, but it's got 65 profiles on the front.

So the question is: What effect does that have on my speedo accuracy, and if the trip computer says I drove 1,780 miles in France last summer, how many miles did I actually do?

Too lazy/dopey to work this out myself.

TIA

PJ

12-10-2006, 03:39 PM	#1
imadoofus Hardcore MB Enthusiast Join Date: May 2005 Car: This and that. Posts: 2,856	Maths Question My bargain-bucket Volvo 850 just sailed through its MOT (with only an advisory for a slight puff from the downpipe) But: The tester said to me that he'd noticed I have been rubbing the inner arches on full lock, but he couldn't replicate it on the ramp, so he couldn't fail it. Apparently, my car should run 195/60 15"s all round, but it's got 65 profiles on the front. So the question is: What effect does that have on my speedo accuracy, and if the trip computer says I drove 1,780 miles in France last summer, how many miles did I actually do? Too lazy/dopey to work this out myself. TIA PJ __________________