What is the minimum thickness of the flywheel surface? When I take out the clutch, I'm thinking about having the flywheel machined if there are any grooves or hot spots and I don't know how deep they can go.
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1987 928S4 Silver Metallic (980)/Navy (TP) 5-Speed
2000 Boxster Speed Yellow/Black 5-Speed
1966 Wife White/Brown Top
1986 Daughter White/Brown Top (Sold!)
1992 Daughter White/Blonde Top