They are great little saws, I don't notice the difference between the 545 and a 550, maybe it would show up more with a long bar, but an 18 is all I usually run on the 550.Ok.. put about an hour of cut time on the 545. What a great little saw. Revs quick, plenty of cutting power (even with the 20" bar) and lite enough to carry all day. This may be the ultimate firewood saw.
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On another note.. got the saw bench cleaned up
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Bench is looking good.