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  1. #1
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    Oakvads not so waterproof ground up Xmaxx rebuild

    So as many of you know from reading my previous post about the X I just picked up, it was a MESS! Absolutely nothing on it except the wheels and tires was any good.
    So I decided to do a build thread. Ground up new motor, esc, servo and batteries, actually all electronics. It actually looks like I'll be able to save the stock esc and motor.
    I've done a complete tare down. I'm sanblasting every single gear chassis piece knuckles drive shafts and shocks. Most of the exposed metal parts will be blued ( any gun owners on here will be familiar with this) and I've thought about dying chassis and rpm arms black.
    Anyway I'll be posting my progress, with pictures of course, hope you guys enjoy.

    Here's some before pics

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  2. #2
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    Here she is completely disassembled

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  3. #3
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    Oh wow that looks like a big job!

  4. #4
    RC Turnbuckle Jr.
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    Make sure and get some sort of hinge pins for the caster block pins of the RPM arms. Everyone complains the arm is too flexible and the pins disappear. Looks like a fun project to me. Iím painting body #3 tonight.

  5. #5
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    Quote Originally Posted by Gripdog7205 View Post
    Make sure and get some sort of hinge pins for the caster block pins of the RPM arms. Everyone complains the arm is too flexible and the pins disappear. Looks like a fun project to me. Iím painting body #3 tonight.
    Thanks for the heads up.
    I'm blown away by the price of body's for this thing. Luckily this one's not bad

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  6. #6
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    About an hour in the sand blaster and no more rust on anything

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  7. #7
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    Looking good man. Canít wait to see what it all looks like blued! Keep up the great work and will be waiting for more pics!! Job well done.

  8. #8
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    Got my new motor today also

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  9. #9
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    Quote Originally Posted by oakvad View Post
    About an hour in the sand blaster and no more rust on anything
    Instead of gun blue you might want to anodize your aluminum, and powder coat you non aluminum parts.
    The ReglarGuy is kid tested and father approved.

  10. #10
    RC Turnbuckle Jr. ReglarGuy's Avatar
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    Quote Originally Posted by oakvad View Post
    Got my new motor today also
    That's not a brushless motor it's the new can Coca Cola's using for it new diet soft drink. What size is that beast, anyway...a 10kv motor? (lol)
    The ReglarGuy is kid tested and father approved.

  11. #11
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    Quote Originally Posted by ReglarGuy View Post
    That's not a brushless motor it's the new can Coca Cola's using for it new diet soft drink. What size is that beast, anyway...a 10kv motor? (lol)
    Lol. Ya it's huge and yes it is the same size as a Coke can!

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  12. #12
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    Got my parts all blued up and diffs are ready as soon as I get my grease. I'm going with the stock center grease and 2 million in front and back.


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  13. #13
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    2 million diff lock
    Wahoo
    Posi
    fabricator

  14. #14
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    Quote Originally Posted by CrazyXMAXX View Post
    2 million diff lock
    Wahoo
    Posi
    I have 125k. Think I should try that first. What are most people running that big of motor running?

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  15. #15
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    Quote Originally Posted by oakvad View Post
    I have 125k. Think I should try that first. What are most people running that big of motor running?

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    In the center diff 2 million. I run a 1100kv 5898 can.

  16. #16
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    What about the front and rear

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  17. #17
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    Quote Originally Posted by oakvad View Post
    What about the front and rear

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    Iím running 30k and 30k. When I service them Iíll run 300k rear 500k front

  18. #18
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    Quote Originally Posted by Gripdog7205 View Post
    Iím running 30k and 30k. When I service them Iíll run 300k rear 500k front
    I'm gonna try 125k front and rear and change it if it's to light. Thanks

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  19. #19
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    my motor and esc came in today.
    Hopefully tomorrow I can get my diffs and most of the chassis together. Should be able to mount axles to the knuckles and a-arms also
    Last edited by oakvad; 08-25-2018 at 08:15 PM. Reason: Double posted
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  20. #20
    RC Turnbuckle Jr.
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    Youíll like the esc and servo you got.

  21. #21
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    Quote Originally Posted by Gripdog7205 View Post
    Youíll like the esc and servo you got.
    I hope so. All my esc's on all 8 of my other machines are hobbywings. I love them.
    The servo that was in it was not even close to salvageable!

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  22. #22
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    Quote Originally Posted by oakvad View Post
    I hope so. All my esc's on all 8 of my other machines are hobbywings. I love them.
    The servo that was in it was not even close to salvageable!

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    No and what Iíve heard and seen, not worth saving either way.

  23. #23
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    Quote Originally Posted by oakvad View Post
    I hope so. All my esc's on all 8 of my other machines are hobbywings. I love them.
    The servo that was in it was not even close to salvageable!

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    You should go with the 2085x. There is also a traxxas mount that will fix non traxxas servos.

    What sandblaster do you have and how do you blue it up? Very interested!
    E Revo 2.0 / Slash VXL 2wd / Rustler VXL 2wd

  24. #24
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    Quote Originally Posted by Jayrox View Post
    You should go with the 2085x. There is also a traxxas mount that will fix non traxxas servos.

    What sandblaster do you have and how do you blue it up? Very interested!
    That's the servo I did get.
    I have a harbor freight one, the small one.
    I actually used one I have at work to do all this because that's where I've been all month! My overtime paid for this little venture. Lol

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  25. #25
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    Got my parts dyed black and put my knuckles and a-arms together and shocks.
    The old shock shafts were really bad. It ate away the polished chrome.

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  26. #26
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    Got most of my front end together today. Still waiting on shock oil to show up.
    Started on the back and ran out of time.
    Stupid job! Lol

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  27. #27
    RC Champion rizz0d's Avatar
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    cool re-build man. can you be more specific about how you acquired this? sounds like a neat story (except for whoever lost it lol).

    also, any more specifics on your 'blue'ing process? if i remember correctly, that process makes steel harder and less brittle? seems like i've seen it done on steel plate armor before. i'm curious what effect it has on the strength of the parts.
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  28. #28
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    Quote Originally Posted by rizz0d View Post
    cool re-build man. can you be more specific about how you acquired this? sounds like a neat story (except for whoever lost it lol).

    also, any more specifics on your 'blue'ing process? if i remember correctly, that process makes steel harder and less brittle? seems like i've seen it done on steel plate armor before. i'm curious what effect it has on the strength of the parts.
    So the story is I get a text from a buddy that was camping at a lake. They pull up on a beach and as he's walking he kicks the tire with his toe. The front tire is sticking up about an inch, the ENTIRE rest of this giant monster is buried in the sand standing on end. So he unburied it and looked around for awhile, no one in site. He waited for about 5 hours to see if anyone came back for it, no one did. I'm the first person he got ahold of. It was burried for a long time though.
    So the blueing. All I did was sandblasted all my metal parts and used super blue. Just painted it on and used an abrasive Scotch pad and it's basically just protected now, not sure about actually making the metal stronger.

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  29. #29
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    Well it's been a long week waiting for parts, then got the flu! Whew that sucked!!!
    Anyway I've gotten everything needed to put her back together, or so I thought. I start assembly and my rear diff is not meshing correctly. Well the right side bearing hub is worn just enough to push the diff forward and make it not mesh. Then I look closer and top AND bottom bulkhead are cracked. Oh well bettyi found it now then later I guess.
    I'm also looking for suggestions on the esc and motor mounting. Are you guys cutting the receiver box for the esc? And also with the 46 spur and a 32 pinion my motor won't drop low enough to engage the gears. Are you cutting the chassis so the end bell can sit down farther or using bigger spur or pinion?
    Thanks again for everyone's input

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    Last edited by Double G; 09-01-2018 at 07:29 AM. Reason: Language
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  30. #30
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    I have the same lipos, how were you going to keep them in the xmaxx?
    E Revo 2.0 / Slash VXL 2wd / Rustler VXL 2wd

  31. #31
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    Quote Originally Posted by Jayrox View Post
    I have the same lipos, how were you going to keep them in the xmaxx?
    Probably Velcro. Haven't tackled that issue yet. Lol. Got to many others at the moment. But ya I don't like those plastic bulky weak hold downs so I'll just cut slits in the trays and run Velcro through

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  32. #32
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    Quote Originally Posted by oakvad View Post
    I have a harbor freight one, the small one.

    Your sandblaster in post #24; is it the 40 pound capacity one?


    Also, how long does it take to sandblast intricate pieces like what you did for this project, and do you think yours at home would've done as well as the one at work?


    P.S. Exquisite work by the way!
    Last edited by Flux Capacitor; 09-01-2018 at 08:40 AM. Reason: Removed picture to keep thread clean.
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  33. #33
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    Quote Originally Posted by Flux Capacitor View Post
    Your sandblaster in post #24; is it the 40 pound capacity one?


    Also, how long does it take to sandblast intricate pieces like what you did for this project, and do you think yours at home would've done as well as the one at work?


    P.S. Exquisite work by the way!
    I'm not sure on the capacity of the one at work, I think it's probably double that. The one I have at home is 30lbs so I'm guessing this one is 100 or more.
    I blasted every part on the truck at about 65 psi and it only took about an hour and a half to do everything. Ya mine at home would do exactly what this one did, I just need new media. Mines so dirty it keeps clogging the pick up tube. Lol

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  34. #34
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    Well. Got my esc mounted up tonight and found a fan I'm gonna use on my motor. Hehe. Oh yes! That is gonna happen! Lol ( see pictures)


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  35. #35
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    I got rid of the stock receiver location. I used a Rustler RX box between the motor and esc. I got 2.5mm carbon fiber stock and made a plate. I also ground down the stock motor rests as youíd mentioned. Iím running 37/54. I have a 39 pinion and 46 spur. Honestly itís pretty perfect speed and power wise now.

  36. #36
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    Quote Originally Posted by Gripdog7205 View Post
    I got rid of the stock receiver location. I used a Rustler RX box between the motor and esc. I got 2.5mm carbon fiber stock and made a plate. I also ground down the stock motor rests as youíd mentioned. Iím running 37/54. I have a 39 pinion and 46 spur. Honestly itís pretty perfect speed and power wise now.
    I was planning on grinding out the stock box and using one of the many I have laying around. I decided not to right now I kinda want to see how it works out mounted like it is. I'm gonna start out with a 32/50 and see how things roll.

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  37. #37
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    And I have a running Xmaxx! Whoo hoooohttp://cloud.tapatalk.com/s/5b8de518...903_193733.mp4

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  38. #38
    RC Champion rizz0d's Avatar
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    very nice! I love restorations and this one takes the cake. cool story and cool truck.

    btw, what did that fan cool in its former life?
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  39. #39
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    Quote Originally Posted by oakvad View Post
    And I have a running Xmaxx! Whoo hoooo
    Mighty fine work!

    I thought you mentioned earlier in the thread that you had a cracked top and bottom bulkhead - how did you fix that problem so fast?
    Welcome To The Futures' Past!

  40. #40
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    Quote Originally Posted by rizz0d View Post
    very nice! I love restorations and this one takes the cake. cool story and cool truck.

    btw, what did that fan cool in its former life?
    Thanks. I'm actually gonna drive it today! Lol
    It's a cpu cooler fan. I build computers so I've got a dozen lying around. I was like "hey! I don't really want to buy a motor fan"!

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