Was this information from snow mobile race motors ?This is funny. I was just looking into this for the 064 I'm putting together. I found a ton of info on snowmobile building. Most agree that one ring with the extra ring groove carrying extra fuel/oil up and down the cylinder.
I'm no where near an expert engine builder. I just thought I'd share. I'm going to go with one ring just for poops and giggles and because of all I've read.
Yes. I'm in no way saying that doubles won't last longer or even seal better, but I tear my saws apart all the time....lol. The saw I'll be doing a single ring in is ported pretty hard from what I can tell so I'm going that route. It will be a gtg/random large tree felling saw.
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