Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. | 
	
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			This is a 052 block with winter logo and yenko logo. 
		
		
		
		
		
		
		
		
	
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			I believe he bought the rights to, and started producing the aluminum block, in 1976. 
		
		
		
		
		
		
			
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	Anders Stålklint. After selling my COPO 9561 I´m now a "postman" with the main project being a 1966 327 2 dr sedan Chevy II.  
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			#5  
			
			
			
			
			
		 
		
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			<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: COPO_Anders</div><div class="ubbcode-body">"...I believe he bought the rights to, and started producing the aluminum block, in 1976..."</div></div>  
		
		
		
		
		
		
			Did production of alloy blocks with either Y-E-N-K-O or the Yenko Crest in the castings actually start this late in the game?. Are the Y-E-N-K-O style blocks earlier than the Yenko Crest castings?. [img]<<GRAEMLIN_URL>>/hmmm.gif[/img] ~ Pete 
				__________________ 
		
		
		
		
		
	
	I like real cars best...especially the REAL real ones!  | 
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			#6  
			
			
			
			
			
		 
		
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			No Winter logo, only Y-E-N-K-O, no casting date. 
		
		
		
		
		
		
		
		
	
	Press in freeze plugs ![]()       | 
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			#7  
			
			
			
			
			
		 
		
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			Found this from 69SSZL1. 
		
		
		
		
		
		
		
		
	
	Complete and partal engines: 283 Aluminum blocks:279 Yenko orig blocks:30 Yenko revised blocks:900 Info from Winters factory page in Ed Cunneen's book. I hope I am reading it correctly. https://www.yenko.net/ubbthreads/ubbthrea...true#Post171144  | 
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			#8  
			
			
			
			
			
		 
		
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			Can this be one of the 30 orig blocks? 
		
		
		
		
		
		
		
		
	
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			#9  
			
			
			
			
			
		 
		
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			Very Cool. Can i have it ??? 
		
		
		
		
		
		
		
		
	
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			#10  
			
			
			
			
			
		 
		
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			Its a NOS block with NOS pistons. 
		
		
		
		
		
		
		
		
	
	Heads, crank a.s.o. I was hoping that some of the experts will comment this?  | 
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