What is the best cylinder head to run on a 49cc 3cyl OMC?
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cylinder head?
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heads??
The OMC parts book for the late '70s motors show a hi-compression head option, likely the one used on the [some?] Stingers. You can accomplish the same thing by cutting .050" or more off a stock head. Some go further ,
but it is a trade secret how far u can go without experiencing piston problems, or breaking into a water jacket, or ??. Have also heard some say the early 55-60hp head , with the strange pocket in it, was the way to go, but can not believe that. Really do not know what OMC was thinking back then. Re; 'Stingers', -I have never seen one any diffent than a 75hp power head, although there were variations, and I am still looking.Brian Hendrick, #66 F
"the harder we try, the worser it gets"
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