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| GMC V6 and V12 Engines Engine repair and rebuilding | 
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			#1  
			
			
			
			
			
		 
		
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			Does a 351 crank pulley just unbolt from balancer like a 305? No need to pull balancer off?
		 
		
		
		
		
		
		
		
		
	
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			#2  
			
			
			
			
			
		 
		
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			hello - 305 and 351 engines doesn't have a balancer up front on the crankshaft - the bolt you see just screws in the crank end and holds the pulley hub on -just unbolt and the hub should pull right off - it's on a keyway 
		
		
		
		
		
		
		
		
	
	 
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			#3  
			
			
			
			
			
		 
		
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			Agreed no balancer, just a hub I guess, But I have 6 bolts surrounding the big bolt. I have already taken off once but forget. Take off big bolt AND the 6 bolts? Does it matter if one groove or two groove pulley?
		 
		
		
		
		
		
		
		
		
			Last edited by AZKen; July 26th, 2015 at 02:39 AM.  | 
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			#4  
			
			
			
			
			
		 
		
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			Morning - doesn't matter how many groove pulley it is - the 6 bolts are unevenly spaced so the pulley only fits the hub one way - I found it easier to remove the pulley or pulleys and then loosen/remove the big bolt that holds the hub on - should pull off easy. 
		
		
		
		
		
		
		
		
	
	 
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			#5  
			
			
			
			
			
		 
		
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			Thanks Lizzie
		 
		
		
		
		
		
		
		
		
	
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			AZ KEN I know this off topic but I just wanted to let you know I got the $10.00 dollars you sent back. Thanks. Ross.Hodges with '66 GMC with '12 flat bed. 
		
		
		
		
		
		
		
		
	
	 
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			#7  
			
			
			
			
			
		 
		
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			Good, thanks Bozz
		 
		
		
		
		
		
		
		
		
	
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