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		| Black valves and pistons | 
	 
		| By Paul - 03/20/2001 4:59:55 PM; IP 208.37.197.2 | 
	 
		| I noticed when swaping intakes on my 352 that the valves and pistons looked black and crusty.  Is this normal for a 116K engine and if not what should I do if anything?  What about the fuel additive stuff?, does it work? The car seems to run well for a "boat" Galaxie 500xl.  It does not plant me in the seat when I step on it, but it seems to run smooth and strong with no missing or sputtering.  | 
	 
 
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