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  1. GASoline71

    Mac 640 From Brian

    Spent about an hour hand filing that chain. It'll prolly cut better now. I should just get a new chain spun up for it. Larry... any of those old buggers you wanna get rid of... just let me know. :) Gary
  2. GASoline71

    Mac 640 From Brian

    My 7/32" files fit fine... but it's gonna take a little filing to get into the gullet. Gary
  3. GASoline71

    Mac 640 From Brian

    Been so long since I filed a .404 chain I wasn't sure. Hell if it takes the same as my 3/8" chain... I gots all kinds of files. But it was spittin' nothin' but dust when I tried to make a cut with it. Gary
  4. GASoline71

    Mac 640 From Brian

    Here is the monster with the bar and .404 chain mounted. I did the Tilly HL carb swap to get rid of the Mac "Flatback". It was a bitch getting the sprocket off to flip it over. But I got 'er done. Need to get some files for the .404 chain. It's pretty dull. Vids will be soon! Gary
  5. GASoline71

    Mac 640 From Brian

    The primer pump was just stuck. I broke it loose with a little light pressure after I pulled the carb out. Saw runs... but won't stay runnin'. It runs longer than it would with just a shot of fuel into the carb. So it is gettin' fuel. But there is a fuel leak at the carb somewhere...
  6. GASoline71

    Mac 640 From Brian

    I just checked the spark... massive blue arc. The screws holding on the cover to get to the plug have never had a screwdriver in them. :) Not a single mark on them. I need to move the star washers out from between the carb and the manifold and install a new fuel line. Prolly be runnin'...
  7. GASoline71

    Mac 640 From Brian

    Cool thanks... I appreciate the help. I was lookin' at the carb last night, and noticed that someone, at one time, removed it and reinstalled it with the star washers between the carb and intake... I can get a .050 feeler guage in there...massive air leak. I'm gonna pull the muffler tonight...
  8. GASoline71

    Mac 640 From Brian

    Thanks for the IPL Al... That will come in handy. I'm gonna try to do a little tinkering on it this weekend. But it depends on how much traveling I have to do with my daughters soccer team. We have a tourney this weekend. Those flatback carbs... are thoes a McCulloch carb? Or did someone...
  9. GASoline71

    Mac 640 From Brian

    Hey Al... any way I can get a copy of that 640 IPL? :) Gary
  10. GASoline71

    Mac 640 From Brian

    I think it is a flatback... I'll have to look again. The outer bar mount has a crack... from what I have gathered it was a fairly common for this to happen on this model. The bar came today... holy shit... it's one of the fairly rare bars with the big "Mc" stamped on the belly... :thumbup...
  11. GASoline71

    Mac 640 From Brian

    Your arms provide the "AV"... Al... this one is set up with .404... Acres site shows the same thing. Gary
  12. GASoline71

    Mac 640 From Brian

    Kinda like my truck thread? :lol: The sprocket is very worn. Don't get me wrong... I meant to say that it's seen it's share of wood. But for a 35 year old saw... it's in pretty decent shape. :) Gary
  13. GASoline71

    Mac 640 From Brian

    Well... When I get this thing runnin'... I won't need to go to the gym anymore... I just need to pack this thing around for awhile. It's heavier than my Homelite 770G... and the Homie has 15 more CC's on this one. :) Gary
  14. GASoline71

    Mac 640 From Brian

    Wow Brian... this thing looks like it doesn't have a lot of use on it... I was not expecting it to be in this good of shape. Thanks a ton! It's gonna be one of the first projects after movin' in to the new digs... :thumbup: The bar should be here tomorrow... :) Just figured I would show it...
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