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I hate to be the bearer of bad news but that bar will not work .The tail is too narrow .The oiler hole wouldn't fit at all and the tightning hole would be clear out riding to the bar groove . I do know for a fact a mid size Stihl will work with modification .The size from 026 to 066 .I had a...

I'll have to take a look see .I'm not certain if the tail is wide enough . I've got a 28" NOS 10 series mount myself hard nose .Give me a day or so and I'll post what I find .

I miss read the post .The old Mac will handle a 36" .404 like childs play .Fact I have a super 44A which is an earlier version of that engine and in fact the bassis for the MC 10 kart engine .That saw came out of northern Michagan with a 36" which I now have on a gear drive Mac .

On that long bar for the old Mac ,it probabley could handle 4 foot but I'd use 3/8" chain instead of .404 .That saw is 87 cc and around 6 HP more or less and it's got a lot of lugging power but it's not a speed demon .Use a 7 tooth gear . The easiest thing to do is adapt a Stihl bar using...

Scott gets so much stuff in often times he sells it before he can even get it listed on his site .The smart thing to do is E-mail him if you are looking for some thing .He will get it sooner or later .Good to deal with IMO .

Well that does seem to be a problem .It seems most NOS stuff is left over for over bores and very little new stock sizes exist .You stand a better chance of finding a none runner with good parts than just the parts by themselves . I'm having the same problem looking for a standard "A" bore size...

Oh there 's about a zillon parts that will work on that old coot .It's just a long stroke 80 cc to get 87 out of it .

That hole in the tank is typical .That damned old cast aluminum is a sacrificing metal and over time it just disappears through galvanic action . The fuel and sometimes the oil tank suffer the most . I had a gas cap on a 125 once that it took a pipe wrench to get loose it was corroded so badly .

:) Reed valve Macs can seem a little intimidating at first glance but once you get into them they aren't any more complicated than the average saw .Things are just done differently than what most are familar with on more modern saws is all .

Well don't toss the old parts because if I'm not mistaken that most likely is a cast iron lined cylinder and I think Mac made pistons up to 30 thou over bore .Not a task everybody would undertake of course but a viable option for some . Trading stock if nothing else .

Actually a very good friend of mine and his wife are spending the winter very near that part of Arizona for the winter . They tried to talk me into taking a leave of absence and joining them but I declined .

I have no idea what's behind the goose ??? You have to remember though that Robert Paxton McCulloch was a tad eccentric .

Coincidently I just got through installing a new Kitchen Aid this evening . Pity the fool that puts greasy old saw parts in mama Dars dishwasher .:\: About those hole punchs .I have made countless sets from small hydraulic tubing .I mean small enough to punch holes for carb gaskets which are...

Not to sound like a wise arse but sand blasting can just eat that cast aluminum up if the correct media isn't used .It would take 40 coats of primer to fill in the voids . People have done it though and with a nice paint job they look brand new . About the most extreme I've ever done was...

:lol: There's a guy that Cut and I know who puts the damned greasey things in the dish washer .I'll bet the Mrs. is proud of him .

Seal cross reference Now to the topic . Flywheel side seal ,Mac number 50663-replacement Chicago Rawhide 6763 . Clutch side Mac 104432---- Cr -6816

Say not to skew the thread but I was doodling around the net on a site I seldom visit and I noticed something I felt was note worthy to mention .A certain well meaning person stuck a left hand start 10 series engine in a right hand start frame . Now this is okay if in fact a right hand...

Had you not dissassembled it I would say the seals would or still might be okay .Since you've got them out already you'd just as well replace them .They are American standard . If you want I can cross reference them or Randy Duncan, Mike Acres several others could have NOS in stock .As close as...

That's called a pressure cracked rod . McCulloch pioneered that method which is used today on modern automobile engines ,Ford being one of them . The idea is that the final honiing of the rod is more precise and the actual joint is stronger than with a machined rod plus it only fits together...

That model ,PM 610 will run for years with damage that would have killed the average saw .Generally it was due to a faulty oiler that carboned the screen and chewed the exhaust side of the piston . Now the reed valvers like the featured 250 super are just about as bullet proof .Most got parked...