Re: 1972 - BRAKE ROTOR SHIELD
Terry and Chuck-----
The material used for the rears is called "pre-punch galvanized". I do believe that this material was electro-galvanized; it seems way too smooth for hot dip galvanized. In the case of the rear shields, it's easy to ID since the very edges of the shield (where the "cut" occurred of the sheet stock in the punch press) are natural steel and rust. Even if one could have the shields re-galvanized, this "feature" would be lost since it was not created as part of the metal finishing process, but part of the stamping process.
One could more-or-less duplicate this by having the shields zinc plated (or, re-galvanized if this was found to be possible) and then carefully sanding the very edge to simulate the bare steel of the originals. Would I go to this extent? No way. Restoration is not a religion to me.
Terry and Chuck-----
The material used for the rears is called "pre-punch galvanized". I do believe that this material was electro-galvanized; it seems way too smooth for hot dip galvanized. In the case of the rear shields, it's easy to ID since the very edges of the shield (where the "cut" occurred of the sheet stock in the punch press) are natural steel and rust. Even if one could have the shields re-galvanized, this "feature" would be lost since it was not created as part of the metal finishing process, but part of the stamping process.
One could more-or-less duplicate this by having the shields zinc plated (or, re-galvanized if this was found to be possible) and then carefully sanding the very edge to simulate the bare steel of the originals. Would I go to this extent? No way. Restoration is not a religion to me.
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