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In cleaning that crud that dropped on the cam area perhaps you also cleaned off the cam lube? Using the cam manufacturers cam lube is essential, and use plenty of it.
I agree Cowtown, it seems there HAS been a "rash" of cam failures lately, and thats just what we hear about on here! I suspect valve spring pressures have gone up over the years and it's now IMPERATIVE that the inner spring be removed before engine start.
EOS good stuff, there are a couple of other "essential oils" required for a re-build. Again, see the "Engine Blog" thread for details.
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