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I am looking to swap a set of vortec heads on my motor this winter and was wondering if there was a certain year or model car/truck to look out for in the junkyard

now, I did hear there are some vortec heads that are junk but I can no longer find the link that tells you the casting the #
 

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I will try to get you some casting #'s when I pick mine up from the machine shop. For V8 heads there really aren't too many problems that you can run into unless someone ran the engine REALLY HOT for a long long time, but that doesn't usually happen.

When you get the heads if you plan on having machine work done and installing aftermarket springs I would go with the Comp Cams bee hive springs b/c on those heads it is easy to cut into water jackets if you have the spring seats cut much wider.
 
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