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  1. #1
    RC Racer
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    What pipe for a moded 3.3 engine?, for an OS 21?

    First I need to decide which engine for my dead engine Jato, a modified TRX 3.3 or an OS21 TM. But if I decide for the modified 3.3, which pipe do you guys recommend me?

    And for an OS 21 TM?

  2. #2
    RC Qualifier
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    Having both of them the .21TM has more of a quality build to it. It was easier to tune, and last longer if properly cared for. I had my .21TM with the THS pipe and it was an awesome combination.
    Speed is the rate of change of distance with time.

  3. #3
    RC Racer
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    Quote Originally Posted by Jclay
    Having both of them the .21TM has more of a quality build to it. It was easier to tune, and last longer if properly cared for. I had my .21TM with the THS pipe and it was an awesome combination.

    Ok, thanks.

  4. #4
    RC Racer
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    Os....... 21tm

    Quote Originally Posted by Jclay
    Having both of them the .21TM has more of a quality build to it. It was easier to tune, and last longer if properly cared for. I had my .21TM with the THS pipe and it was an awesome combination.
    I agree. 150% my os is way easyer to to and when I istalled it put it on then fired it up and it took less time to start the fresh os then a tuned 3,3. And I haven't had to tune it very often either. LOVE IT!!!!!
    My nails R getting clean Time to go work on my RC

  5. #5
    RC Turnbuckle Jr. ajb1205's Avatar
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    Get the best of both worlds...get a 21tm and get it modded. That's what I did and I am just waiting for it to come back (Robin @ ERCM is going an extreme mod on it).
    As far as pipes go, the THS is a nice pipe on the 3.3 (modded or stock) and so is the stock dual chamber pipe (the Jato stock pipe is DC, correct?).
    I will be trying one of Robin's pipes too on my Revo...should work on a Jato, too...
    http://www.extremercmods.com/?page=pipes
    Should be fun!
    Vantage/MMM/1515 Revo
    MMM/1518 Revo
    T-Maxx 3.3

  6. #6
    RC Enthusiast
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    yeah the OS is quality, not to take anything from the 3.3.
    (2)REVO 3.3
    JATO 3.3
    SLAYER 3.3(O.S. 21TM)

  7. #7
    RC Turnbuckle Jr.
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    I have both 21tm & AB mod 3.3..... I take the 21tm w/ THS pipe, IMO.
    OS all the way!
    Slash PE & Ja-two.

  8. #8
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    OS all the way. i have a hand full of 18tm's and some are very heavy modded. they hold a tune like a dream, and will take a pounding!! sorry but the only traxxas mill i have respected is the pro 15
    sig edited for content

  9. #9
    RC Racer
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    And what about the Buku pipe???

  10. #10
    RC Racer
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    Red face buku

    Quote Originally Posted by Rapidito
    And what about the Buku pipe???

    I've seen the website and the facts of that pipe, and it looks to me like a great pipe!! it does the same as two pipes S/C and D/C at the same time!! i don't see that as a bad thing, but if i'm wrong someone please enlighten me as to why its a bad pipe!! but IMHO i would do it!!. I'm going to get one as soon as i get the Cheddar!!
    My nails R getting clean Time to go work on my RC

  11. #11
    RC Enthusiast
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    Does the OS .21 fit with the stock eng mount ?? Any thing else to make it fit the Jato??

  12. #12
    RC Competitor
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    The O.S .21Tm or .18Tm will drop right in with no mods.
    Run it wide open as long as it will move.

  13. #13
    RC Turnbuckle Jr. ajb1205's Avatar
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    The Buku was a beast on my 18tm. I would imagine it would only be that much better with the 21tm.
    Vantage/MMM/1515 Revo
    MMM/1518 Revo
    T-Maxx 3.3

  14. #14
    RC Racer
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    I'm looking to sell my OS .21TM to get the modded 3.3, the os is just to much for my street!! :P the neighbors hate this thing!! lol but i love HER!!
    Last edited by TraxManFan33; 05-22-2010 at 12:01 AM.
    My nails R getting clean Time to go work on my RC

  15. #15
    RC Turnbuckle Jr.
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    Quote Originally Posted by TraxManFan33
    I'm looking to sell my OS .21TM to get the modded 3.3, the os is just to much for my street!! :P the neighbors hate this thing!! lol but i love HER!!
    convert it to brushless "E"...... your neighbors will it.
    Slash PE & Ja-two.

  16. #16
    RC Racer
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    Quote Originally Posted by RC-Crazy
    convert it to brushless "E"...... your neighbors will it.

    its to much $$ for a guy with 2 kids colecting unemployment thats anoter reason i wanted to sell that motor!!
    My nails R getting clean Time to go work on my RC

  17. #17
    RC Qualifier
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    Quote Originally Posted by TraxManFan33
    I'm looking to sell my OS .21TM to get the modded 3.3, the os is just to much for my street!! :P the neighbors hate this thing!! lol but i love HER!!

    Wouldn't you save more money keeping the .21TM instead of getting the 3.3 modded?

    I just sold my modded .21TM last month for $125.

    I didn't notice any difference in sound level with the .21TM vs. 3.3
    Speed is the rate of change of distance with time.

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