In loving memory of Kenis D. Keathley 6/4/81 - 3/27/22 Loving father, husband, brother, friend and firewood hoarder Rest in peace, Dexterday

Steven's 3120XP

Discussion in 'Chainsaws and Power Equipment' started by Mastermind, Aug 26, 2014.

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  1. Mastermind

    Mastermind

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    The finger port opens first, then the tip of the main.......nearest the intake, and then the other end of the main. There are three degrees difference from the finger port to the exhaust side of the main.
     
    Mastermind, Sep 5, 2014
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  2. mdavlee

    mdavlee

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    I heard to do that from a wise man from cheese land.
     
    mdavlee, Sep 5, 2014
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  3. Moparmyway

    Moparmyway

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    This right here is info that I have never heard of, never read about, and will probably only find in your build threads. Thank You for taking your time with getting us all this information, the "black art" of 2 cycle porting becomes a little clearer yet again !!

    So 3 degrees after the fingers open, the exhaust side of the main is opening, (This delay in getting the mains fully open (or advance in opening the fingers) helps to push the spent gasses out the exhaust and scavenge the cylinder for a better fresh charge of fuel/air mix into the cylinder ..............) ?
     
    Moparmyway, Sep 5, 2014
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  4. cgraham1

    cgraham1

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    Sorry to hijack! But...
    I pulled the 288 outta the box today and took a quick pic to show off... Here it is with my other "big saws"...
    288, Mastermind 064, Pioneer P60,
    655 BP (SOLD. :( )
    image.jpg
     
    cgraham1, Sep 5, 2014
    #164 Top
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  5. bryanr2

    bryanr2

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    that 288 looks small compared to that 064.
     
    bryanr2, Sep 6, 2014
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  6. Cut4fun

    Cut4fun

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    If I had to run one all day I would grab that 064. :drunk:
     
    Cut4fun, Sep 6, 2014
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  7. cgraham1

    cgraham1

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    It's "Lite" :cool:
    If I ever get the chance, I'm gonna do a side by side comparison with the same bar and chain... of course the 288 isn't ported... yet! ;)

    So what's the deal with the 3120, Steven? Is it for sale? I read another (deleted) thread somewhere that stated the saw was built to sell... o_O
     
    cgraham1, Sep 6, 2014
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  8. Mastermind

    Mastermind

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    It is sold.
     
    Mastermind, Sep 6, 2014
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  9. bryanr2

    bryanr2

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    Yep. Randy was kind enough to facilitate the sale and find me a buyer. Shoot me a pm on either site and I will explain.
     
    bryanr2, Sep 7, 2014
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  10. MasterMech

    MasterMech The Mechanical Moderator

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    Some of you guys are hard to keep up with! :confused::)
     
    MasterMech, Sep 7, 2014
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  11. bryanr2

    bryanr2

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    Im grinding to a halt for a bit on saws while I deal with some personal issues.
     
    bryanr2, Sep 8, 2014
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  12. DexterDay

    DexterDay Administrator

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    Hope everything is o.k. Steven.. Let us know if there is something we can do.
     
    DexterDay, Sep 8, 2014
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  13. bryanr2

    bryanr2

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    Thank you Dex. Just pressure of a fast paced life and high stress job taking it's toll. Hope to sort it out and get back to 100% in the coming months.
     
    bryanr2, Sep 8, 2014
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  14. Mastermind

    Mastermind

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    You're gonna be fine Bro. :)
     
    Mastermind, Sep 8, 2014
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  15. mdavlee

    mdavlee

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    You'll get this past you soon.
     
    mdavlee, Sep 8, 2014
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  16. MasterMech

    MasterMech The Mechanical Moderator

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    I know right where you're at. ;) :handshake: :cheers:
     
    MasterMech, Sep 8, 2014
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  17. Stihl bro

    Stihl bro

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    Mastermind,

    Once again thanks for sharing.


    Joey
     
    Stihl bro, Sep 11, 2014
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  18. cory@owen

    cory@owen

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    One more video from the middle Ga GTG.
    Mastermind ported 3120:
     
    cory@owen, Sep 21, 2014
    #178 Top
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  19. DexterDay

    DexterDay Administrator

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    Video permission is set to private. Need to change to public.
     
    DexterDay, Sep 21, 2014
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  20. cory@owen

    cory@owen

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    Try it now.
     
    cory@owen, Sep 21, 2014
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