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Old 09-22-2011, 05:52 AM
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BOBCRMAN@aol.com BOBCRMAN@aol.com is offline
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These engines are subject to cracking from exhaust seat to head bolt on center cylinders. Then you get coolant/heat problems and valve seat recession. Almost all engines that have work miles on them will be cracked. Also known for warpage and poor head surfacing from GM.
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