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Husqvarna 350

Discussion in 'Forestry Community' started by JohnnyBlade, Aug 5, 2018.

  1. JohnnyBlade

    JohnnyBlade JUST GONNA SEND IT

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    So im wondering what is the difference between a 350ne and a 350oe? Im assuming its the head design? Read the NE has a primer bulb? What r the pros and cons of each model? Can the both be retro fitted with a 346 head? Can they both be retro fitted with a 351 head? Thanks!
     
  2. Cut4fun

    Cut4fun Redneck Chainsaw Repair

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    yes to all basically.

    oe early 44mm no purge bulb and later 45mm, ne 45mm purge bulb

    oe and ne in pics

    h350z.jpg h353351350.jpg
     
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  3. wcorey

    wcorey Pinnacle OPE Member

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    Not quite as simple as ne/oe...

    Very early ones had the 44mm open port cyl with a flat top piston, same as the 351.
    IIRC there supposedly were also a small number of closed port 44mm cylinders.

    Not long after they went to the 45mm closed port like the 353 but with a dished piston.
    Some years after that the primer bulb showed up.

    All the P&C's are cross compatible including the 346's.
     
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  4. JohnnyBlade

    JohnnyBlade JUST GONNA SEND IT

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    So is there one better than the other? Or just personal preference? I know open port gives more torque and closed is better on the top end for speed. And more cubes is always better. But does one outshine the other? Also i dont know what OE and NE stand for:) lol! Which one is open and which one is closed?
    And IIRC? What does that mean? I see it alot here.......
     
  5. huskihl

    huskihl Sausage Fingers Forever

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    Old Edition
    New Edition
    If I Recall Correctly


    I'd say they all run similarly. Most potential goes to the ne closed port
     
  6. JohnnyBlade

    JohnnyBlade JUST GONNA SEND IT

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    Awsome! Thanks fellas. Big help to me!
     
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  7. wcorey

    wcorey Pinnacle OPE Member

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    IIRC> If I recall correctly

    On the 350 there is no 'official' ne/oe model designation, it's sort of adopted terminology from a couple other models that got a 'new edition' tag and then the previous version would by simple default become known as the 'old edition'.

    The 44mm op with the flat top piston runs pretty close to the 45mm cp with the dished piston.
    Put in a 353 flat top piston and the 45 will pull ahead, port both and the 45mm is the clear winner.
    With a 346 p&c, it's probably the best power to weight 50cc class saw you can get, short of custom stroked/big bore stuff.

    Closed port cylinders (quad port in particular) seem to take advantage of running at higher rpm better than open port and are more likely to be tuned/timed to run in that range and so open port generally seem to be set up to run slightly lower rpm.
    That however doesn't mean you can't do the opposite to either.

    Tuning/building for torque vs rpm is an interesting subject and one that I wish I had a more proper understanding of...
     
  8. Wood Doctor

    Wood Doctor Edwin

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    There's only one thing about my Husky 353 that I don't like...

    ... dang it, there is nothing about this saw that I don't like. They corrected the problem with the muffler bolts coming loose on the 350, and after that there was virtually nothing else to improve.
     
  9. Wood Doctor

    Wood Doctor Edwin

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    Hmmm, one thing that does happen with the 353 and my 350. Sometimes while working I accidentally press down on the on-off switch and the engine stops dead. The side-slide switch on the Husky 51, 61, and 257 does not do this.
     
  10. old guy

    old guy Love me some Husqvarna

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    I recently picked up a 350 that needed an oil pump, when I ordered the oil pump I ordered 2 346 top ends just in case I decide to make it all it can be.
     
  11. JohnnyBlade

    JohnnyBlade JUST GONNA SEND IT

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    AM or OEM?
     
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  12. old guy

    old guy Love me some Husqvarna

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    OEM
     
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  13. wcorey

    wcorey Pinnacle OPE Member

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  14. Dub11

    Dub11 Some body poisoned the watering hole!

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  15. RI Chevy

    RI Chevy DollyKitaStihlvarna Runner

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    WTF Bill. Holy chit.
     
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  16. KYsawman

    KYsawman MR. XL-12

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    No wonder I can’t find any good used ones anymore!
     
  17. beaglebriar

    beaglebriar Mastermind Approved!

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  18. Stump Shot

    Stump Shot Old *pretty boy dipstick of Quality Staff Member

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    Darn vision must be going out on me, seeing saws in multiples of twelve now. Lol
     
  19. wcorey

    wcorey Pinnacle OPE Member

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    Just the tip of the iceberg, lol...

    That's an old pic, probably have twice that many by now and don't think I've even bought one in the past year or so.
    There seems to be a chit ton of them around here, usually find 'em complete/non running in the $10-$60 range.
    Or they show up in numbers along with the pile 'o saws acquisitions, then it's more like $5.

    At the time I was making an effort to accumulate a bunch so I could set each one up with a different level/combo of mods and dyno them. Point being mostly to see just where the gains were coming from and what were the easiest/best-bang-for-the-buck mods.

    All have oem 45mm cylinders, one is stock and the rest have various incremental mods, from muffler only to hot woods port.

    Between all the typical mods (various muffler openings, timing advance, base gasket delete, flat top piston, opened up lower transfers, time/area alterations, etc), it's amazing how many different combinations are possible.

    Was in the midst of cataloging it all and got them all mixed up and other than the woods ported ones, no longer know which is what, lol.
    Which means 10 of them need to come back apart...
    That photo session takes part of the blame.

    Then the software end of the dyno project fizzled out and they're still just sitting, waiting...
    'Cept the ported ones, I use those two a lot.
     
  20. RI Chevy

    RI Chevy DollyKitaStihlvarna Runner

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    Nice Bill.
     
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