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Ported 261C Base gasket delete Machined .015 off half the piston to create a domed piston keeping the exhaust and transfer numbers the same while gaining a few degrees on the intake. Muffler opened up to 80% of exhaust opening I’m getting a lot of excessive carbon buildup I assume from unburnt...

Has anyone ever experimented with having a full house chain with no spacer links? A cutter every tooth. It’s for racing purposes only. 066 with a 12 inch bar cutting 8” logs. I know in a larger log it would probably have issues clearing the chips Sent from my iPhone using Tapatalk

Rebuilding a 372 for a friend of mine that had the piston blow up inside. I haven’t had a chance to check the timing wheel on it yet four stock numbers. Just seeing if anybody was willing to share some timing numbers for a reliable work saw. Also all of my experience has been with Stihl so far...

Has anyone come up with a better air filtration system for top handle saws yet? Starting to get sick of putting carb kits in Sent from my iPhone using Tapatalk

Two of the four bolts that hold the cylinder in place on my Stihl 461 have stripped out. Does anyone know if Heli coil‘s will work to fix this? Sent from my iPhone using Tapatalk

I’ve been experimenting a lot with the Stihll 261c. Trying to get a bit more low-end torque and for running a longer bar. I end up with a lot of falling and processing jobs on second growth timber In the small saws are great. Anyone had some success with these kinds of builds and wants to...

Deleting the base base gasket on the Stihl 261c’s typically takes the squish from .040 down to .020 which I’m happy with. The intake and exhaust are easy enough to to grind on to get back to stock timing numbers. Having trouble with the upper transfers as the cylinder doesn’t allow much room to...

I’ve added a max flow foam filter to my stock 261c. It now leans out when you come off the trigger. Even resetting the carb doesn’t seem to help. I have some experience porting saws but I’m unsure if basic porting will help this or possibly the carb needs to be drilled out to richen the...

For falling, bucking and processing small diameter timber on the west coast (land clearing more so than logging) I prefer to use a ported Stihl 261 in place of my 461/500i. The production that I lose in power, I gain back at the end of the day because the saw is much lighter and easier on the...