working on 044 picked up on craigs list for 30.00 wouldnt start after inspection i found the piston had gotten really hot at the exhaust port and seized piston ring in the piston groove it scored the cyl wall a little the rest of the saw looks good has 26 in bar 2 new chains im going to replace piston and cyl wanting to know who makes a quality piston and cyl or should i find a used stihl piston and cyl i am only using it around the farm i have acollection of saws ive collected off craigslist for nothing this is the first one that needed work so i thoght id play with it a little since i dont have anything in it im going to work on muffler and polish exhaust was wondering about milling a little of the bottom of cyl to raise comp a little any body knows how much to take off and after doing it will the stock carb be able to be richened up enough to compensate for extra comp