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Rotor Arm internals - why carbon vs. hard wired?
I always assumed that rotors were solid metal on the inside, and that the contact point was one piece of metal from the center of the rotor out to the tip of the (I know it is in older cars) I cut an old 911 rotor arm in half and it looks to be solid carbon in the middle of the arm, between the top of the rotor and the metal contact point on the tip. Why not a solid piece of metal?
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Dave
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'76 911S Targa
'62 VW Type 1 Sunroof
'73 914 2.0 (1st Porsche, gone long ago but not forgotton)
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