ObviouslyAs an echo guy it's interesting to watch but why are you doing it. The oiler on the 600 series echo will make the oiler on most modern 70-80cc saws look sad but it's not keeping up with a 42. Let alone the stress on the bar mounts and case along with every other part of the saw that was never ment to handle more then a 27. Like I said if I need to go bigger then 24 I'll grab the 7910 every time. If that won't do it I'll either admit defeat or get ahold of one of the locals a ported 395 is most likely only a phone call away if its needed.
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