[Alvin]

Originally Posted by 68ragtop

Thats a really good thought & possibility. I'll take a look next spring. I already put the car back in its nest. I would imagine there will be some evidence by then.

Thanks for the idea!

Welcome & here's another http://www.brakeboosters.com/Master_...lve_Resto.html

Master cylinder detailing 1964 to 1980 $45-$65

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The master cylinder, once you’ve had it sleeved, can be detailed with a grey phosphate coating or a semi-gloss black paint finish, depending on what your car had originally. Since this subject is a difficult one to nail down, as to what cars had what finishes, you’ll have to specify what finish you require. If your master needs to be grey phosphate, you’ll have to leave the pistons out for that finish to be applied. Painted master cylinders can have the pistons installed prior to me receiving them. Bleeder screws are finished in sliver zinc. If you need your Master cylinder sleeved, I can provide you with the name of a reputable business to re-sleeve them or forward them to that business. See photos!