Welcome to the site; 
  
I have a 91 V-20 cuddy and I replaced my 5.7 (cracked block) I bought mine from rapido marine and I'm pleased with the motor. With the old motor and the new one they both would push mine 41-42mph (by gps). 
  
Good luck
		 
		
		
		
		
		
		
			
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				Tis better to be quiet and thought a fool than open your mouth and prove it!! 
  
1991 V-20 cuddy I/O 350 volvo duo prop,  1998 15ft Grumman 9.9 Johnson   
 
			 
		
		
		
		
		
	
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