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Offline Eccentric

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Re: Mac super 250
« Reply #10 on: January 03, 2014, 04:33:10 pm »
Quote from: neil on January 03, 2014, 03:36:26 pm
Quote from: Al Smith on January 03, 2014, 07:13:18 am
I've only got one of those flat backs to deal with .I think it's on a 250 but it might be a super .It was a freebie which I got running after having the carb apart a half dozen times .

I never thought much about but come to think about it might be a super because it would outcut the other couple of 250's I have .The investigation is going to have to wait because it's cold enough out now to freeze the tail off a brass monkey not to mention other portions of its' person .

Al, if i may move the subject slightly,,,,
I have built up a few later 6-10 macs (black square ones with a horrible looking chain brake (free) most not going with bits missing. Question is are they the same piston and cylinder ect to the older 6-10 from the 70's, if not i cannot see any point to excepting any more.
thanks Neil



Totally different saws.  You're talking about the PM-610 (ProMac 610) saws vs the old 6-10A.  Two different saw series.  The 6-10A is also 4.3ci instead of 3.7ci, and is from the late 1960's.
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Offline Eccentric

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Re: Mac super 250
« Reply #11 on: January 03, 2014, 04:36:46 pm »
Quote from: Al Smith on January 03, 2014, 07:13:18 am
I've only got one of those flat backs to deal with .I think it's on a 250 but it might be a super .It was a freebie which I got running after having the carb apart a half dozen times .

I never thought much about but come to think about it might be a super because it would outcut the other couple of 250's I have .The investigation is going to have to wait because it's cold enough out now to freeze the tail off a brass monkey not to mention other portions of its' person .

Whenever it warms up enough that you don't need to worry about loosing portions of your person, see if you can get the block #'s off of that flatback equipped 250.  Also get the MN/SN numbers off of the tag held down by one of the oil tank top screws (if that tag is still there).  Should be able to figure out whether it's a Super or not.  If you decide to not deal with the flatback any more, I'll send you an HL63 to replace it with.
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Offline neil

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Re: Mac super 250
« Reply #12 on: January 03, 2014, 05:44:13 pm »
Quote from: Eccentric on January 03, 2014, 04:33:10 pm
Quote from: neil on January 03, 2014, 03:36:26 pm
Quote from: Al Smith on January 03, 2014, 07:13:18 am
I've only got one of those flat backs to deal with .I think it's on a 250 but it might be a super .It was a freebie which I got running after having the carb apart a half dozen times .

I never thought much about but come to think about it might be a super because it would outcut the other couple of 250's I have .The investigation is going to have to wait because it's cold enough out now to freeze the tail off a brass monkey not to mention other portions of its' person .

Al, if i may move the subject slightly,,,,
I have built up a few later 6-10 macs (black square ones with a horrible looking chain brake (free) most not going with bits missing. Question is are they the same piston and cylinder ect to the older 6-10 from the 70's, if not i cannot see any point to excepting any more.
thanks Neil



Totally different saws.  You're talking about the PM-610 (ProMac 610) saws vs the old 6-10A.  Two different saw series.  The 6-10A is also 4.3ci instead of 3.7ci, and is from the late 1960's.

Ok thanks, that good to know, my place seems to have become a dumping ground for old junk saws, sometimes I get saws I can rob bits off for racing but mostly not.

edit,,, that pic above looks good too, seems to be chugging through good.
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Offline Al Smith

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Re: Mac super 250
« Reply #13 on: March 12, 2014, 07:38:30 pm »
That deal on the PM 610 they made them by the tens of thousands .k-mart sold them on sale for 169 bucks with a 16" bar .Regularly  225 with a 20" .That and later PM 650's where very popular firewood saws .

The main complaint was it was heavy for 60 cc plus with the amount of plastic it was unconventional  to the Mac followers .Nothing wrong with the way one runs if in good tune .Ha that said though my two spend more time on the shelf than in the woods . ;)

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