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I tried it and went with a LP chain, less cutters per the 3/8” but teeth like a .325, no opinion yet

That’s interesting, may have to try that

Ok there is limits but I would recommend checking squish with the gasket then cutting the cylinder base mounting flange enough to get your squish to .020, then only raise your ports the amount you cut from the cylinder, you can then use a sharpie through the intake and exhaust to mark the piston...

Only pic I have that I saved.

Good work but I've had issues with forward ports getting close to the log and choking power, I shoot them out chain side at about a 30 degree forward with best results

350 style carb is fine even with the 350/346 style cylinder available now.

Please do!

I have some diamond coated grindstones for my dremel, similar to chain Sharpening stones, that I use from the outside through the port, it's long enough to chamfer the edges pretty well, I follow up with emery cloth on my finger from the bore to really smooth it.

If I had many of my own I would push the envelope until a failure to get some guidelines

Just widened the intake and exhaust about 2mm and nice with nice round shape on the sides to keep the rings stress free. No timing changes, just gasket delete and muffler mod. Customers eyes popped out when he ran it, 18" bar ands it screams

Last 365 I did before polishing

Just picked up a old Husqvarna 55, naturally gonna see what I can do!

I think it worked, thanks for the tip

Sweet, I'll give it a try

My ported 372

Let's try to post my 346/350 hotrod!

I shoot for 165-180 on compression, my 372 took a few tanks ran through it to get up there but that's not uncommon. I set my max rpm on a new build then open the high a 1/4 turn until I run a few tanks through, good thing about 2-strokes is no camshaft break-in! I get a moment I'll post a video...