topless rack question

[coolasacuc]

Anyone here running a Z3 rack with a M30 swap?
I know with the M30, the clearence is circa 1/4", so I was wondering if spacing is an issue.

Overall, is the Z3 rack the same diameter as the 325's?
thanks

[coolasacuc]

any1? i have searched, i cant seem to find what im looking for.