Quote:
Originally Posted by ike84
I read a post though saying that porsche actually sourced out production of the cup 1s to different mfg, some of which didn't stamp the offsets.
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Hmm, very interesting. Perhaps my rule isn't as applicable for the air cooled era. I've only ever owned wheels from 986/996 and newer, so my knowledge is limited to the modern era (I just assumed the current stamping practices predated our cars!)