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Thread: Echo CS-400 P/C Upgrade?

  1. 01-27-2011, 02:36 PM #1
    HLC03
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    Question Echo CS-400 P/C Upgrade?

    I have a nice CS-400 and I want more power. It does pretty good for a 40 cc saw with a muff mod, but I want more grunt. I am going to buy a Dolmar 7900 this spring but I want to keep the CS400 around for limbing or a project saw. So heres my questions:

    1. Has anyone ported the CS-400 with good results? And if so can you offer any tips?

    2. Is there any Piston/Cylinder Combos that will fit the CS-400 with relatively little modification (direct swap) that will gain me some cc's? Like possibly the P/C for a CS-450P or CS-550P or any of the older Echo 50cc saws?

    Thanks for any info you guys can provide!
    Adam

    cs300 new in box
    cs341
    cs400 muff mod
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  2. 01-27-2011, 03:12 PM #2
    PLMCRZY
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    One guy did port a cs 400 a while back. Ran damn good but i dunno where the thread went. Search cs 400 muffler mod, its a long thread.
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  3. 01-27-2011, 03:27 PM #3
    mountainlake
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    My cut time with just a muff modd

    Husky 55 Rancher 20 seconds
    029 Stihl , one of the best I've run 15 seconds
    CS400 muff modd 16 seconds, good enough for me. Steve
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  4. 01-27-2011, 04:04 PM #4
    PLMCRZY
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    Quote Originally Posted by mountainlake View Post
    My cut time with just a muff modd

    Husky 55 Rancher 20 seconds
    029 Stihl , one of the best I've run 15 seconds
    CS400 muff modd 16 seconds, good enough for me. Steve
    Have you ran it against a 026? Im curious to how it does. My buds got one i may mod the muffler then put them up against each other.
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  5. 01-27-2011, 04:19 PM #5
    caleath
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    I dont think that would even be close.
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  6. 01-27-2011, 04:55 PM #6
    Chris J.
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    I'm looking forward to reading the reponses. I had previously posted here looking for a CS-400 p&c, but can't recall if any other larger Echo p&c will fit the CS-400.

    And after searching for 20 minutes I wasn't able to find the thread.
    Never underestimate the power of the written word. Spelling is important, but poor sentence structure and bad puncuation are what can really come back to bite you on the ass.

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  7. 01-27-2011, 05:01 PM #7
    caleath
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    Quote Originally Posted by Chris J. View Post
    I'm looking forward to reading the reponses. I had previously posted here looking for a CS-400 p&c, but can't recall if any other larger Echo p&c will fit the CS-400.

    And after searching for 20 minutes I wasn't able to find the thread.
    I couldnt either
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  8. 01-27-2011, 05:36 PM #8
    PLMCRZY
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    Quote Originally Posted by caleath View Post
    I dont think that would even be close.
    I dont think it would either, but i hear the cs 400s scream with a muff mod.

    Ya i searched for that thread and could not find it. He had videos and everything.
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  9. 01-27-2011, 05:45 PM #9
    caleath
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    Quote Originally Posted by ClayKann101 View Post
    I dont think it would either, but i hear the cs 400s scream with a muff mod.

    Ya i searched for that thread and could not find it. He had videos and everything.
    Where is Bob Wright when you him.
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  10. 01-27-2011, 06:01 PM #10
    PLMCRZY
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    Quote Originally Posted by caleath View Post
    Where is Bob Wright when you him.
    Unfortunately Bob doesnt know much about the new Echos. Atleast thats the drift i got from him.
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  11. 01-27-2011, 06:33 PM #11
    o8f150
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    the 400 is a clam shell,not much you can do to it,,its not worth porting it any unless you can do it yourself
    husky 346xp 16" b/c muff modded and tuned masterminded
    husky 372xp with 20" b/c muff modded and tuned masterminded
    ms170 mm'd and adjustable carb with 14" b/c



    so glad to be part of the AS family
    i may be an old fart but i can learn



    scott
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  12. 01-27-2011, 06:33 PM #12
    o8f150
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    Quote Originally Posted by o8f150 View Post
    the 400 is a clam shell,not much you can do to it,,its not worth porting it any unless you can do it yourself
    i forgot,,,if you run a 14" b/c on it that will help a lot
    husky 346xp 16" b/c muff modded and tuned masterminded
    husky 372xp with 20" b/c muff modded and tuned masterminded
    ms170 mm'd and adjustable carb with 14" b/c



    so glad to be part of the AS family
    i may be an old fart but i can learn



    scott
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  13. 01-27-2011, 07:51 PM #13
    volks-man
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    Quote Originally Posted by Chris J. View Post
    I'm looking forward to reading the reponses. I had previously posted here looking for a CS-400 p&c, but can't recall if any other larger Echo p&c will fit the CS-400.

    And after searching for 20 minutes I wasn't able to find the thread.
    i thought your thread a while back was about the cs-440, not the 400?
    i recall mentioning that the 520 engine assembly would drop on the frame with little or no mods.... that was before the 'echo police' here jumped in and told me i was wrong (i wasn't ).

    on topic:
    OP, you need to go to the echo website and sift through the IPLs like i did and start comparing part numbers with saws close to the 400 in the lineup. find one whos frame and oiler, especially, will interchange and then look at the other peripheral parts.

    Quote Originally Posted by o8f150 View Post
    the 400 is a clam shell,not much you can do to it,,its not worth porting it any unless you can do it yourself
    08f150:
    i am not real familiar with the 400 but i can tell you the 440 and 520 are clamshells too... but in a non conventional way. the clamshell is three pieces. the cylinder on the 440 and 520 is removeable from both the lower clamshell and from an upper clamshell that carries the bearings. the cylinder can easily be turned down and the piston turned for a pop-up.
    if the 400 follows suit then.............................................
    Last edited by volks-man; 01-27-2011 at 07:56 PM.
    current wants:
    john deere 66sv clutch cover (it's a yellow echo 610evl).
    18" k041 poulan or k095 small mount husky bar 3/8 0.50
    a running homelite 3100.
    stihl 020av flywheels
    pm me.
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  14. 01-27-2011, 07:54 PM #14
    o8f150
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    Quote Originally Posted by volks-man View Post
    i thought your thread a while back was about the cs-440, not the 400?
    i recall mentioning that the 520 engine assembly would drop on the frame with little or no mods.... that was before the 'echo police' here jumped in and told me i was wrong (i wasn't ).

    on topic:
    OP, you need to go to the echo website and sift through the IPLs like i did and start comparing part numbers with saws close to the 400 in the lineup. find one whos frame and oiler, especially, will interchange and then look at the other peripheral parts.
    the 370 and 400 will interchange,,they are the saw saw except the 400 has a bit bigger p/c
    husky 346xp 16" b/c muff modded and tuned masterminded
    husky 372xp with 20" b/c muff modded and tuned masterminded
    ms170 mm'd and adjustable carb with 14" b/c



    so glad to be part of the AS family
    i may be an old fart but i can learn



    scott
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  15. 01-27-2011, 07:58 PM #15
    volks-man
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    Quote Originally Posted by o8f150 View Post
    the 370 and 400 will interchange,,they are the saw saw except the 400 has a bit bigger p/c
    are they conventional clamshells or three piece clamshells?

    edit:
    i glanced at the ipl for the 400 and it is unclear. they show the shortblock fully assembled....
    Last edited by volks-man; 01-27-2011 at 08:01 PM.
    current wants:
    john deere 66sv clutch cover (it's a yellow echo 610evl).
    18" k041 poulan or k095 small mount husky bar 3/8 0.50
    a running homelite 3100.
    stihl 020av flywheels
    pm me.
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