Re: 59 AB engine rebuild
What I do to clean valves that might be reusable is scrape them as clean as possible with a safety razor blade then spray with oven cleaner, let sit for a day and scrub with a wire brush. Repeat. Oven cleaner works on seats too. A few years ago I used carbon tetrachloride but The EPA decided I was a threat to myself and all creatures on earth.
Lonnie
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