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Old 08-11-2009, 07:07 PM   #6
LONGHAIR
just can't cover up my redneck
 
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
Re: 8 lug stud spacing

Quote:
Originally Posted by MickMc View Post
It seems to me that 6.5 inch bolt diameter pattern is 165.1mm
And 170mm is 6.69 inch
Therefore the difference in diameter is only .095 inch

10 thousandths is not very much


If my math is correct



Just my two cents


Mick
Your metric conversion math is absolutely correct...but the difference is more than you are thinking.
5 millimeters is essentually 3/16"
The difference (english) between 6.5 and 6.69.....is .190 (not .095)
.190 is close enough to 3/16" (.187)
So, what it all comes down to is....does 3/16 matter? IMHO, yes. The wheel "might" physically fit over the lug studs, but the nuts will never tighten properly. They will bind on the edges of the taper before seating. THis will stress the studs.

Of course all of this is moot if the off-set doesn't "work"
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