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First off thaks to Kenny and Lary for the advice on solving my 1960 F100 clutch problems. Rebuilt the master and slave was too far gone, purchased a new one. She runs like a champ now. Of note to others; the diagram in the shop manual shows the stack up inside the slave cylinder as haveing a spring behind the piston. If you buy a new Wagner slave cylinder be aware that it does NOT have a spring inside the cylinder. This caused me some concern until I realized that is simply a different design that does not require an internal spring. Just a heads up for anyone esle R&Ring a 57-60 slave cylinder. Thanks again guys
Actually I missed out on this one, (others beat me to it) so I don't deserve any of the credit.
Was the slave cylinder pitted or scored inside? I've found that when they're that worn, they're just not worth rebuilding. They won't last very long before leaking again.
Kenny,
The Slave cylinder appeared to have only one area of pitting inside the cylinder. I honed it but the damage was deep and large enough to allow fluid bypass. Even a small imperfecton is enough to ruin a cylinder.
I had the same problem with my slave cylinder on my 57 F100, And Kenny suggested to me just to go buy a brand new one and it worked great.
Thanks again Kenny