Yes, it could be, a rock might have gotten in there. I know my tranny a while back was making a noise, but all it was, was my plate between the tranny bellhousing and the motor got bent, and was rubbing the flywheel. It stopped after a while. Nothing bad. It wasen't too loud. Only when I stepped on the gas. 
		
	
		
		
		
		
		
		
			
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				'84 mustang GT turbo 
'85 LTD 
'89 Camaro Irocz z28 
'94 Lightning 
'96 Trans am
			 
		
		
		
		
		
		
	
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