6000i/6800i: Depending on the guide plates, bar studs, and tensioner... they can be either small or large mount husky.I have a ps6000i and was trying to find a 24" bar and was wondering the same thing. I did not find a 100% answer when looking last night. Wondering if a husky bar fits, what model husky should I use as a reference. Seems like there is a difference between a 372 bar a 540 bar
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Not too familiar with alcohol saws. But i can tell you that a super has a plastic tank and si has a metal tank. Muffler and porting is different . I have each. So i can help you there. I would try to adjust timing at an ignition level, more timing will add midrange power. Too much detonates early and can damage piston. I cant help with what was changed to run alcohol efficiently. But can answer most questions about the saw to try to help figure it out.Hoping to get a little info. I have a 4.2ci Sachs engine, 49mm. Was told it’s either a 120 Super or a 120si. Can someone tell me if the piston and cylinder were the same in these 2 models? Am needing a new piston as the one I have was modified to run on alcohol and have been told the piston was shaved to do something to the timing so it would run on alcohol better. I am going back to gas and it idles and wot are great but mid range is very rich.