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| GMC V6 and V12 Engines Engine repair and rebuilding | 
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			#1  
			
			
			
			
			
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|  Different  pistons  for V-12 
			
			OK, fellow cast members, here is the question:  What other piston could be used in the V-12 instead of the four ring.  Is the top steel ring required?  With the scarcity of the original pistons, at $1000-$1800 for a set, what could be used?  What have you used?  Yes pistons can be custom made, but whats available outside the box? Atomman in South Carolina. dlmarx at bellsouth dot net | 
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			#2  
			
			
			
			
			
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|  Re: Different  pistons  for V-12 
			
			351 piston sets have been showing up lately on ebay which are the same for the V12 other than the fact that you'll need 2 sets. There was one set that just sold for $350, so I don't think you'll necessarily be spending $1000- $1800 for 12 NOS pistons. Some early 1966 351E engines did use 3 ring pistons but later went to the 4 ring, so 3 ring pistons are long obsolete for these engines. If you want 3 ring pistons then Custom ones will be the way to go.
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			#3  
			
			
			
			
			
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|  Re: Different  pistons  for V-12 
			
			What about a flat top 3 ring piston?   atomman | 
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			#4  
			
			
			
			
			
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|  Re: Different  pistons  for V-12 
			
			Flat top 3 ring pistons would be great but they will have to e custom made.
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