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Thread: Help, piston rings!

  1. 12-23-2007, 08:29 PM #1
    Poley4
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    Help, piston rings!

    I was putting my dad's Poulan 361 back together tonight when I broke a piston ring. Yeah I know, I was trying to do it without the proper tool, will order one from Bailey's, but I first need a new set of rings. Every site I checked said they were obsolete, but surely someone out there has a set. They are part no. 2577 (old number) or 530002577 (new number). The cylinder bore measures 1.788" (45.4mm) x .062" thick (1.57mm). Bailey's sell rings that are 46mm x 1.5mm and I wouldn't any problems filing the end gaps to fit, but I not sure about the rings being .003" thinner, which would give about .004" clearance in the groove. These rings are also the same as a Poulan 306A.
    Last edited by Poley4; 12-23-2007 at 08:42 PM.
    Wes
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  2. 12-23-2007, 08:32 PM #2
    blsnelling
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    There's no way you could use a ring thinner than the gap. I have seen guys remove the lower ring in a built saw.
    Brad - Snellerized Saws

    Have a 201T that doesn't run like you expected? Need a new one that's already modded and ready to go? PM me for details.
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  3. 12-23-2007, 08:33 PM #3
    16:1mix
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    Exclamation Every piston ring size on earth!

    If you can't find them in normal places this outfit can source them:

    http://www.pistonrings.net/


    Give me liberty or give me.......ANOTHER FULL MAGAZINE!

    I believe the 'big bang' theory. When God said, "Let there be light" it HAD to have made some noise!
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  4. 12-24-2007, 05:50 AM #4
    lawnmowertech37
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    have 4 of them in stock $ 15.98 a pair or $ 7.99 each
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  5. 12-24-2007, 05:55 AM #5
    lawnmowertech37
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    Quote Originally Posted by blsnelling View Post
    There's no way you could use a ring thinner than the gap. I have seen guys remove the lower ring in a built saw.
    you looking for a top handle for your xl homelite ? ?
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  6. 12-24-2007, 07:20 AM #6
    Poley4
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    Quote Originally Posted by lawnmowertech37 View Post
    have 4 of them in stock $ 15.98 a pair or $ 7.99 each
    Thank you very much!
    Wes
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  7. 12-25-2007, 07:19 AM #7
    lawnmowertech37
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    Quote Originally Posted by Poley4 View Post
    Thank you very much!
    received the order last night i will keep you posted when it ships thanks for the order .
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  8. 12-25-2007, 07:30 AM #8
    Poley4
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    Quote Originally Posted by lawnmowertech37 View Post
    received the order last night i will keep you posted when it ships thanks for the order .
    Thank you,
    Wes
    Wes
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