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Echo CS-310 build

Discussion in 'Chainsaws' started by Chainsaw Jim, Dec 6, 2016.

  1. Chainsaw Jim

    Chainsaw Jim #fartedinthebandwagon

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    Well I guess it's time to diddle my banjo on one of these things.
    20161206_010039.jpg 20161205_202803.jpg 20161206_001947.jpg
     
    DeckSetter, sawfun, Red97 and 2 others like this.
  2. Chainsaw Jim

    Chainsaw Jim #fartedinthebandwagon

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    The intake is nice. 20161206_012405.jpg
    But the exhaust is strange. It seems like they're going for a cyclone like twisting effect. 20161206_012133.jpg
     
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  3. Chainsaw Jim

    Chainsaw Jim #fartedinthebandwagon

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    One thing I'm either modifying or changing is this tiny little carb. 20161206_002242.jpg
     
  4. Chainsaw Jim

    Chainsaw Jim #fartedinthebandwagon

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    Feel free to add any videos you may have of either stock or modded cs310's.
     
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  5. Dub11

    Dub11 Some body poisoned the watering hole!

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    :icon_popcorn:
     
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  6. drf256

    drf256 Dr. Richard Cranium (“RC” to Muh pals)

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    Cool thread Jim.

    Have you timed it yet?

    If you wanna weld a popup, let me know.
     
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  7. Chainsaw Jim

    Chainsaw Jim #fartedinthebandwagon

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    I haven't timed it yet. It does have a strong cast mold looking rod on the crank. 20161206_021313.jpg
     
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  8. Chainsaw Jim

    Chainsaw Jim #fartedinthebandwagon

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    Easy access ring pin I suppose... 20161206_024321.jpg

    That's about all I can keep my eyes open for tonight. I'll get to grinding on it tomorrow.
     
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  9. SOS Ridgerider

    SOS Ridgerider Man of many names

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    Cool thread! I used to have one of these. While not very strong, which it never claimed to be, it did just fine for its intended purpose.
     
  10. greendohn

    greendohn firewood hack

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    I've had one for several years, gotta' million hours on it. Always run a 12" b/c on it.
    Removed the screen from the muffler, trimmed the limiter tab for better tuning.
    It doesn't spool up as quick as I'd like but it's a great brush saw.
    (mostly run a stock cs400 w/ 14"b/c these days)

    Following with interest.
     
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  11. DeckSetter

    DeckSetter OPE Member

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    Following... Been thinking about getting a small echo and getting rid of the ms180.
     
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  12. Chainsaw Jim

    Chainsaw Jim #fartedinthebandwagon

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    The 310 filter may be a better design than the ms180 but it doesn't seem to have better filtering capability. This saw doesn't have one tank through it yet and there are more fines in the carb on the choke plate than was on the filter. The crank pan had sawdust grit. If you look at the exhaust pic you'll notice a tiny hair scratch on the front of the piston from a piece of that grit.
    I'll be closely inspecting the filter on reassembly to make sure it seals right.
     
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  13. jake wells

    jake wells no longer here

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    gut the muffler they are restrictive.
     
  14. Dub11

    Dub11 Some body poisoned the watering hole!

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    Just saw a vid of before and after muf mod looked great!! how the av on these? Never ran one but they feel super light.
     
  15. Chainsaw Jim

    Chainsaw Jim #fartedinthebandwagon

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    The spring style av is set up pretty good.
     
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  16. Nitehawk55

    Nitehawk55 Pinnacle OPE Member

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    Be interesting to make a mini saw into a performer and see what you can get out of it .
     
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  17. DeckSetter

    DeckSetter OPE Member

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    Is the 310 the same basic saw as the 352?
     
  18. Chainsaw Jim

    Chainsaw Jim #fartedinthebandwagon

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    I'd like to know that myself. I don't think it's a clone but I believe they use the same piston. I'd like to do any upgrades if any exist between these two models.
    I hope someone comes along to have an answer for that. @SawTroll...I'm wondering if there are any Husqvarna pistons 38mm with 8mm pin holes. It's 13.15mm from to edge of pin hole to crown edge which would be 17.15 center hole to crown. I'm after a piston that's single ring with about one to two millimetres taller head so I can tighten the squish and flatten the band a bit for higher compression. My ideal plan is to find a windowed piston to do a major overhaul on those pinched off turd shaped transfers tunnels. They're larger diameter through the centre than at each opening. That cannot maintain or increase velocity in my opinion. To me it's like airing your house out by opening a small windows instead of two doors at each end.
     
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  19. Dub11

    Dub11 Some body poisoned the watering hole!

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    Did I miss the transfer pics ? Are they open or closed?
     
  20. Fishnuts2

    Fishnuts2 Pinnacle OPE Member

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    Same chassis, some of the AV is slightly different, and the air filter on the 352 is a lot like a 350 Husky. It twists on and off.
     
    DeckSetter likes this.
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