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		| RE: extreme heat | 
	 
		| By John - 04/20/2002 3:12:47 PM; IP 142.177.9.3 | 
	 
		The only time I ever have this problem (not due to things you've already replaced, like the rad, etc.) is when the water jackets of the block and heads are filled with a build up of rust, etc. And of course this gets worse as time goes on, as in your case.  Did you have the block and heads seriously hot-tanked when it was rebuilt?  And did you know a lot of stuff doesn't come out until everything dries out...up to a couple of weeks after hot tanking?
  On the other hand, you might just be running to lean a mixture.  | 
	 
 
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