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Old 06-10-2012, 09:00 PM   #24
Tom Wesenberg
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Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
Default Re: cracking exhaust valves

Quote:
Originally Posted by Patrick L. View Post
You want to break rings on a 2 stroke ?? On my first go-kart [11yrs] I put on a little 580 West Bend 3 port motor.. To make it better I read about squaring and raising the ports.. I worked.. So, by my thinking at such a young age, to make it even better I removed all the material between the ports turning it into a one port engine.. It ran great !,, for about 100 feet.. Those rings came out in about 100 pieces..
LOL, I did exactly the same thing to a Power Products engine that I souped up when I was 15. The ring caught on the port lip as soon as I ported it to one large port, so I ground a bevel in the top lip of the port. It worked OK, but I sold it right away as I had no cart to put it on.
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