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            Original Message        
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		| RE: Headers depend on application. | 
	 
		| By Will - 03/07/2001 3:01:31 PM; IP 207.107.134.20 | 
	 
		You have to take the engine apart to see if it's a reinforced 428cj block.  There may be a way, but I doubt it.  (for ex, the reverse 501 block is supposed to be reinforced, so if you see a mirror image 501 where the 352 is supposed to be, your block should be reinforced.  I'm not sure about this, but that's how I understand it.)
  You can get the casting number from the heads.  It's between the center spark plugs (between 2&3 or 5&6).  If it says, C80E 6090N, you've got 428CJ heads.  If it says something else, post the number and someone will look it up.
  If you drop the pan, you can find out a lot.  The CJ had extra ribs along the main webbing.  It's pretty suttle, so you need to see a picture to know what you're looking for.  The CJ rods have larger rod bolts (11/32 I think).  I don't know the pn's, but you probably can't see them by just dropping the pan, anyway.
  I'm rambling now, so I'll shut up.  | 
	 
 
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