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Old 04-03-2013, 05:56 PM   #40 (permalink)
rmay635703
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Join Date: Jun 2008
Location: Somewhere in WI
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Silver - '10 Chevy Cobalt XFE
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Quote:
Originally Posted by Frank Lee View Post
It happened to my 283, big time. Some of the seats receded so much the valve didn't even reciprocate anymore. At the time I too thought that since I wasn't working that engine real hard, that it would be OK. It wasn't.

To fix the older heads, hardened seats must be installed.
I'm glad my antiques don't have valves.
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