With my drift it measures 0.0015-0.002". Those are the only feelers I could get in there. It spins freely. This is with the shims that were in there. I figured I'd see where I was with the original parts before moving on... I'm good.
Oh... I just remembered I have a spare unused pin on a twin plug I put away in a box

BRB
Yeah it is 0.0015" with the pin in there but not mushroomed. Should be good to go.
Best regards,
Michael
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Michael 
'82 Euro SC 'Track Rat' 22/29 Hollows, 22/22 Tarrets, Full ERPB F/R, Rennline Tri Brace, Glass bumpers, Pro 2000's, 5 pts, blah blah blah
'13 Cayenne GTS