So, I gotta bring this one back.
A couple of things: Dean said the guy lives 15 minutes north of him, not 10. And 15 minutes would be if he were driving fast. Second, everybody and their dog around there mods saws. It's arguably the best growing region for doug fir in the country, and they log it. Heck, the Onalaska high school mascot is the loggers. Kids in shop class mod saws. Not like Dean's in the middle of Manhattan building saws and there isn't anyone for miles and miles building saws.
Doesn't seem from the guys description that the saw really is stroked, just has a longer rod and a spacer under the cylinder. Not to say that won't boost it any, but that won't give a longer stroke. Maybe next time I'm home, I'll swing by that guy's place.
If anybody's going to Logger's Jubilee in Morton this year, I'm sure he'll be there too.