Tyre & wheel size advice - Discovery 2

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Originally Posted by mate

thanks for that. Whats the pcd of stock land rover d2 stud pattern lol

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..... and for a standard 5-stud 7J x 16 Discovery 2 rim, the PCD is 120 mm.


Hope that helps,
Andrew

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Originally Posted by AndrewMilne

For a rim with 5 stud holes;


If you measure the straight-line distance between the centre of one stud (or hole in the rim) to the nearest one, the PCD is:

(Stud-centre to stud-centre distance) x 1.701


If you measure the distance between centres in mm, the PCD will be in mm. For example, if the distance between the centres of 2 adjacent studs is 40 mm, the PCD for that rim is 68.04 mm.

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I believe technically PCD is supposed to be calculated like they say on this link Trailer wheel PCD how to work out 4 and 5 stud PCD's with diagrams

That is PCD is the centre bore of the wheel + two times the distance between the centre of two studs. The results will be within a few mm of each other but that can be significant.

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Originally Posted by gusthedog

That is PCD is the centre bore of the wheel + two times the distance between the centre of two studs. The results will be within a few mm of each other but that can be significant.

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Hi Pricey,
I had a look at your link, and it seems to me that what you have written should be:
"That is PCD is the centre bore of the wheel + two times the radial distance between the edge of the bore and the centre of any stud".
In any case, it would be interesting to calculate the PCD for the same rim, by both methods - do you have internal caliper etc to do that?
I don't, but I'd be interested in your results both ways, if you do.
Cheers, Andrew