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Fantastic pics everyone. Jon and I finally took down a couple of trees from within the tree. One was a black oak that was leaning across two fences and a driveway. We were able to block it down in the driveway on gravel, so no rigging was needed. The second was a white oak that was between the...

I agree, and normally would never leave this stem to rot. There's no way to get anything in there to winch it up the hill. The biggest thing in my mind is that I can drive up to all the wood I need in other places. In the time it would take to collect this one stem, I could have many loads...

Big steep hill it's laying on......it will just rot away.

Jon and I dropped this Hickory today......it was getting pretty nasty. I just wedged it over the hill. Nothing special.

Cory, If the cutters ain't all the same length it will pull to one side. Get a caliber and check them carefully. Most guys file one side better than the other, or get tired after doing one side of a long chain, then one side gets a little shorter, and it pulls to the long side.

If anyone wants any info I have, all they have to do is ask......I have no "trade secrets" or any such bullshit. I like seeing a guy mod his own saw......as a matter of fact, I do machine work for a lot of guys so they can take that jug and port it themselves.

We've ran this thread in the ditch...... 8)

I'm booked solid till late March now though....

Some of that gain is chain.....

I fully port the 201 for 200.00 and return shipping of 30.00 <iframe width="420" height="315" src="//www.youtube.com/embed/9zf_Bzn33MM" frameborder="0" allowfullscreen></iframe>

Pressure differences cause a scavenging (sucking) effect and draw on the ports. If the port is too wide, those effects can be lost.

The saws we build are always louder. Adding compression makes the engine louder, even if the muffler is left stock. I don't add extra outlets unless testing have proven that the engine responses the the added exhaust area. Normally, we open the stock outlet, and make custom deflectors in the...

Ex: 94° means that the exhaust port opens at 94 degrees of crankshaft rotation from top dead center or TDC. I don't do anything to the piston because I don't want to do anything that could cause the piston to fail over time. I also don't widen the ports much, I just open them to the edge of...

When lowering the jug, you will gain intake (and strato) timing, that is great on some, not so great on others. Then on many engines (like the MS660) not raising the exhaust back up is what you want. In the case of the 660, less exhaust is a fine thing. The transfer timing is where the big gains...

Naw.....those AT saw like being molested. :/:

I sorta hang out here with you guys to get away from the saw talk.......and damn if I didn't get it going. :lol: I do about 220 ported saws a year....it's a 60 - 70 hour a week gig for me.

I suggest that all our saws be used at 32:1 I do a bunch of M-Tronic and Autotune saws Cory. Here's a 562XP I did a couple of years ago.... <iframe width="420" height="315" src="//www.youtube.com/embed/qtqIqkR00Jw" frameborder="0" allowfullscreen></iframe>

I feel like I've derailed this thread a bit.....and apologize.

As Jay mentioned, these units are mass produced. They are built in "the middle of the road" so to speak......what I do is tweak what the designers built, looking for the gains that they left on the table. The saws I build are built for work......and will work all day without issues. They do...