Philip Wheelock
Finis Origine Pendet
...The one drawback to the stellar fuel consumption is that I ran out of chain oil long before fuel. Unfortunately I didn't realize it until she ran out of gas...
Working down the tree I got into some 16-18" wood that was taxing the 16" B/C. Still plenty of power, just not enough reach so I shut her down and reached for the 562-20". For everything the 550 did to impress me, the 562 matched it and more...
Assuming you meant that the saw was low on gas. As you probably know, no saw likes it very much when the tank and carb are run dry.
Not sure there are gains to be had with changing to an 18" B/C or an 8-pin rim sprocket, based on your observations of the 550xp with a 16" B/C. A 16" bar will cut 18" dia. wood from one side with the right technique. I'd suggest running it the way it is until it's well broken-in, at which point you'll have a better feel for what it can do.
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