I retire defeated.
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Guys, guys, guys…
Toe settings are often expressed in mm, although the purer method is to express it in degrees/minutes.
So think about for a minute, where is the mm measurement being taken from? Quite frankly you could measure it from outer space and it would be valid, but the normal convention is to do it at the wheel rims. And thus, for any specific angle of toe you will get a different reading in mm rim to rim for different diameter wheels.
Ride heights and tyre sizes and wheel offsets have no bearing on toe settings.
I don’t think anyone is disputing the measurements will be different, and the specifications linked too even show a difference between 16" and 17" rims, I still think that for a street driven car 0.1mm difference between the two measurements will not be noticed by someone who has already stated the car handles fine with the settings his car has, which appear to be nowhere near the factory specs, unless you use the wide tolerance allowed by the factory.
But the key point is that they aren’t different, just that they need to be expressed relative to the context of where the measurement is being taken!! In degrees, the values will be the same.
OK I see what you were getting at, quite agree that angles are the more accurate way of defining the specs, I was more commenting on the fact that the difference as expressed in mm was miniscule on the spec sheet, and that I didn’t think he would notice such a minor discrepancy.
As you seem to know about car set up, do you think there would be much of a difference in the alignment specifications between a 1.5 ND and a 2.0 ND?
No difference.
Someone quite rightly said (Mad_ Malc I think) that I have been given enough advice, information and discussion.
Should have a good idea now of what I need to do.
Wheel heights either side are well within 10mm difference allowed, so OK there then. Pity they tend to span two different bands.
Time to make decisions and get on with it.
Really appreciate the input. Has been a help, so thanks all.
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