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Thread: revo rebuild

  1. #1
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    revo rebuild

    I have been out of the hobby for quite awhile. I'm rebuilding my revo to 3.3 specs, had short chassis, but hard to find any bodies I like. My question is about a new engine. I had a 3.3 with Picco carb and traxxas pipe with drilled stinger. Ran great. I have a Trinity pipe I will be using(NIB from years ago in my parts box). Go with another 3.3 with Losi carb or go with an O.S. 21TM. I just have fun around my yard,I don't race. What is everybody's opinion?

  2. #2
    Marshal Double G's Avatar
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    I really like my .21TM with THS pipe. Would I do the engine again if I had to? Probably but the $275 bill is a bit hard to swallow. 3.3 with Losi carb and Trinity pipe may be a screamer as well.
    The Super Derecho

  3. #3
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    Thanks Double G for the honest answer. Price is quite a bit. Could buy two 3.3's. Engines have come a long ways since the pro .15's and cast head 2.5's.

  4. #4
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    I went ahead and ordered a 21tm. I was leaning that way. On the short chassis the 3.3 with the old style 3.2 badlands geared 15/36 it would throw it around like a rag doll,wheelies on demand in first. What is a good starting point for gearing on longer chassis. Until I save up for the newer 3.8's hopefully they have less sidewall and foam movement.
    Not much activity on forums anymore,thats to bad. It was always interesting reading about what others where doing with their hobbies.
    Last edited by grizzly03; 09-10-2018 at 03:55 PM.

  5. #5
    RC Qualifier Trentbaby65's Avatar
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    You'll be very happy with the O.S .21TM.
    Great little engine.

  6. #6
    RC Qualifier chops1sc's Avatar
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    Quote Originally Posted by grizzly03 View Post
    Not much activity on forums anymore,thats to bad. It was always interesting reading about what others where doing with their hobbies.
    I have noticed this too. Facebook groups have stepped in to fill the void. It is not as structured but you can still get good info and advice if you are in the right group. If you are interested, I can send you a link to the group I am in.
    Revo .18TM
    BL Rustler
    Stampede
    HPI Sprint 2

  7. #7
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    Thank you chops. But unfortunately I don't have facebook.

  8. #8
    RC Competitor
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    send the link chops!

  9. #9
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    Great to see this. I just started on a refresh of a Revo Platinum ��
    Cheap, Fast, Reliable. Pick 2.

  10. #10
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    Been taking me awhile to finish. Trying to find a header to fit 21tm and Trinity pipe. Wanted it to look factory installed. Ordered a header from THS. Hope it works. If not, any others with 3 spring mount that will?

  11. #11
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    How it looks right now

    Last edited by grizzly03; 10-25-2018 at 01:53 PM.

  12. #12
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    Pics aren’t showing?
    Cheap, Fast, Reliable. Pick 2.

  13. #13
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    badaml, sorry so far got only one pic. I'll try to get more tonight. I finished it up. Life gets you sidetracked

  14. #14
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    set up:
    O.S. 21tm geared 14-40
    Trinity exhaust, modded header gasket
    VDR kit #2 piston 50wt oil silver front, blue rear-springs LT rockers
    2070 throttle-brake servo
    Tekno axle carriers and wing mount
    rc4wd Mickey Thompson Baja Claws on proline narrow rims-ACNCM 23mm hub set
    Now I need to hurry up and wait till spring to break in motor.

  15. #15
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    Last edited by Double G; 11-12-2018 at 08:47 AM. Reason: trying to display pics

  16. #16
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    pics are showing up on my computer,tried my tablet they are not displayed. What am I doing wrong? I'm using google photos. First time trying to post photos online. Any suggestions?
    Last edited by grizzly03; 11-11-2018 at 11:38 PM.

  17. #17
    Marshal ksb51rl's Avatar
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    Where are you storing/hosting them?
    Alt-248 on the number pad =

  18. #18
    Marshal Double G's Avatar
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    You'll need to find a different host for the photos or provide a link to the album after it is set to public.

    I don't know how big the tires you are using, however, 14/40 is very short gearing for the .21TM. I run stock tires, 16/38 (as well as standard gear set in the tranny) and a THS pipe and have no issues pulling wheelies or doing back flips up the side of trees.
    The Super Derecho

  19. #19
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    Last edited by grizzly03; 11-12-2018 at 10:32 AM.

  20. #20
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    Tires are 7" tall,3.8" wide. Standard gear set also. Trying to use what I have. Figured break in engine with lower gearing then gear up as needed. If the tires are to big,should I switch? I liked the original badlands(3.2 size before 3.8's)the new ones seem to be similar size.

  21. #21
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    [IMG]revo2 by , on Flickr[/IMG]

    [IMG]revo3 by , on Flickr[/IMG]
    Are pics showing now?
    Last edited by Double G; 11-13-2018 at 01:15 PM.

  22. #22
    Marshal Double G's Avatar
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    Yep .
    The Super Derecho

  23. #23
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    Very nice!
    Cheap, Fast, Reliable. Pick 2.

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