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  1. #1
    RC Turnbuckle Jr.
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    Grips Maxx Build

    I didn't want an RTR, because I didn't want to remove things to sell to buy what I wanted. So this is my starting point, stock arms, and front knuckles. Picture is sans screws, because I'm waiting for my SS screw set. I've got all the pins for the arms. I've got the 8S diffs. I'm just taking my time. Parts still coming in.

  2. #2
    RC Champion NYbandit33's Avatar
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    Looks good!
    Monster Baja Sla2h VXL
    Rustler VXL

  3. #3
    RC Turnbuckle Jr.
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    Quote Originally Posted by NYbandit33 View Post
    Looks good!
    Thanks. It's brand new. Just stripped. Just ordered the heavy duty center shaft from fastlane RC

  4. #4
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    Quote Originally Posted by Gripdog7205 View Post
    Thanks. It's brand new. Just stripped. Just ordered the heavy duty center shaft from fastlane RC
    The shaft is a Integy aluminium, like 0,5mm thicker then stock..
    i thought it would be inhouse in steel.. works so far!

  5. #5
    RC Turnbuckle Jr.
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    Quote Originally Posted by VIX View Post
    The shaft is a Integy aluminium, like 0,5mm thicker then stock..
    i thought it would be inhouse in steel.. works so far!
    That information makes my heart hurt. As long as it doesn't say Integy I'm okay

  6. #6
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    Quote Originally Posted by Gripdog7205 View Post
    That information makes my heart hurt. As long as it doesn't say Integy I'm okay
    It will hurt, says Integy. I would try the new Leopard 58113 V2 /1050KV 8000W with Max5 ESC (BL5)...CC 6,5mm connectors.

  7. #7
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    Can't wait to see it come together!

  8. #8
    RC Turnbuckle Jr.
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    Today's order was 4 Green Traxxas shocks. 2, 1.5 rate springs; and 2, 1.4 rate springs. Front diff pinion(ordered 2 rears on accident). I've got 4 driveshafts with pins for axles. I ordered the green stub axles and matching wheel nuts. I just went stock with the inner hub as it won't be seen anyhow. I've got a complete bearing set coming from Fast Eddy. SS screws set. Got the 2085X servo. I've got the center diff, and 46 and 54 final gears, and the stock small 20t. Cush drive pieces ordered. I got the rear bearing carriers from RPM with the oversized bearings. Stock steering gear on the way as well. I picked up 50wt oil for the rear shocks and I'll use 40 in the front as a starting point.

  9. #9
    RC Turnbuckle Jr.
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    So I need motor advice, I'm stuck on Lepoard. Do I get the V2 1200kv, or the 1340kv. Both are 5892 cans?

  10. #10
    RC Qualifier gunbar223's Avatar
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    I remember when my 6s started off like this.


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    6 X-MAXX's total one built from ground up 3 8s!!!

  11. #11
    RC Turnbuckle Jr.
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    Loads of parts arriving tomorrow. The screw kit will hold me up. I'll have the shocks with springs and oil done tomorrow though. I'm gonna take my time and detail the build with pictures. This truck is unlike any traxxas I've ever had.

  12. #12
    RC Turnbuckle Jr. rag6's Avatar
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    Coming along sir. The suspension will be a good starting point. Did you decide what to do with diff oils?
    Ya can't polish fertilizer...

  13. #13
    RC Turnbuckle Jr.
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    Grips Maxx Build

    Quote Originally Posted by rag6 View Post
    Coming along sir. The suspension will be a good starting point. Did you decide what to do with diff oils?
    They were pulled from a 8S brand new. They're tight. What's stock? I've got 40k, 100k, and 500k on hand.

  14. #14
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    I run 500k front and rear
    fabricator

  15. #15
    RC Turnbuckle Jr.
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    Grips Maxx Build

    Sounds good thanks. Here's the mail from today. Only missing a set of shocks and the front pinion.

  16. #16
    RC Turnbuckle Jr. rag6's Avatar
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    Quote Originally Posted by Gripdog7205 View Post
    Sounds good thanks. Here's the mail from today. Only missing a set of shocks and the front pinion.
    Stock is 30k ft, 50k rear and 20 million wt in center.

    I swapped the ft and rear diffs so that the heavier weight was up ft like every other 4wd on the planet. It helped give the truck more on power steering, which the stock setup was lacking.
    Ya can't polish fertilizer...

  17. #17
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    Quote Originally Posted by rag6 View Post
    Stock is 30k ft, 50k rear and 20 million wt in center.

    I swapped the ft and rear diffs so that the heavier weight was up ft like every other 4wd on the planet. It helped give the truck more on power steering, which the stock setup was lacking.
    I got 2 rear diffs. Just need the front pinion to come in.

  18. #18
    RC Racer
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    20million center weight? is that like some weird putty or something?


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  19. #19
    RC Turnbuckle Jr.
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    Grips Maxx Build





    Rear end is doneish. I don't have 7742 for the shocks. Newbie.
    Rear driveshafts are assembled and RPM rear hubs are ready to go in. Maybe later

  20. #20
    RC Qualifier rtmike's Avatar
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    I read here that Leopard says the 1340kv shouldnít run 8S, strictly 6S. I donít know what theyíre talking about although I need to see the numbers itís putting out.

    Iíve also read of Leo pushing their 1090 kv. Supposedly their X Maxx motor? This is the motor Iím running except itís branded as a Toro, same thing but way cheaper. Well, they were cheaper. Out of stock and the price jumped $90, loll.

  21. #21
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    Quote Originally Posted by rtmike View Post
    I read here that Leopard says the 1340kv shouldnít run 8S, strictly 6S. I donít know what theyíre talking about although I need to see the numbers itís putting out.

    Iíve also read of Leo pushing their 1090 kv. Supposedly their X Maxx motor? This is the motor Iím running except itís branded as a Toro, same thing but way cheaper. Well, they were cheaper. Out of stock and the price jumped $90, loll.
    I'm thinking the 1200kv will be great on 8S.

  22. #22
    RC Turnbuckle Jr.
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    So this is my progress report. I've got it together minus the correct length shock bottom pins and 4 pin captures. Got my diff situation resolved thanks to CrazyMaxx for the advice. I got a 6S pinion instead on an 8S pinion. I donated the 6S pinion to the hobby store.
    50k in both diffs. 50 wt oil with 1.5(red) springs in the rear. 45 at oil with 1.4(black) springs in the front.
    Servo is installed. 2085x. Stock hardware as you can see.
    I must say I like traxxas products, but the layout and construction of this truck is awesome. Maybe hard to get to certain issues, but the strength and engineering is sweet.
    So on the list are Proline Badlands, Max5, Futaba receiver to go with my transmitter, and most likely the Lepoard 1200kv 5892. Gonna pick up the motor mount from fastlane RC as it's a one piece design. Body will be stock clear, I've heard the Proline is thinner than the Traxxas body. Since this has been expensive I'm gonna be waiting on a little tax fairy for most of the remainder.

  23. #23
    RC Turnbuckle Jr.
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    Forgot to explain the driveshaft if y'all didn't know. Integy makes a billet upgraded center driveshaft. I know it's Integy, but it looks and feels much better than the stock unit.

  24. #24
    RC Turnbuckle Jr.
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    Geez now I'm thinking maybe TP Power may be a good option as well

  25. #25
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    Quote Originally Posted by Gripdog7205 View Post
    Geez now I'm thinking maybe TP Power may be a good option as well
    Just my opinion, TP might not be best choise for you, its awsome power but a few things depending of motor choise, TP5860 very difficult to solder if you want max5 on the same level, cables comes from rear of motor, not top like others.. (for boats) Ps dont let fastlaners solder anything, my motor solder was a joke, not even gold connectors. Also im getting low voltage msg on the transmitter using to much throttle, either its just my settings or not enough AMP from batteries, i could never use full throttle and didnt feel any lack of power, hard to tell right now, will know soon... plus, TP will probably destroy more parts.
    i think Leopard motor will be easier and liked by many..

  26. #26
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    Quote Originally Posted by VIX View Post
    Just my opinion, TP might not be best choise for you, its awsome power but a few things depending of motor choise, TP5860 very difficult to solder if you want max5 on the same level, cables comes from rear of motor, not top like others.. (for boats) Ps dont let fastlaners solder anything, my motor solder was a joke, not even gold connectors. Also im getting low voltage msg on the transmitter using to much throttle, either its just my settings or not enough AMP from batteries, i could never use full throttle and didnt feel any lack of power, hard to tell right now, will know soon... plus, TP will probably destroy more parts.
    i think Leopard motor will be easier and liked by many..
    I appreciate the advice. The 5860 seems to be an amp hog(441). I wonder if you got a 3-400 amp esc you'd be happier with it. I believe for everyday it may be a bit much. Oh and thanks for the heads up on the the soldering job. I have a station at the house, so I don't have to pay people to do it for me again, it's been a great investment.

  27. #27
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    Quote Originally Posted by Gripdog7205 View Post
    I appreciate the advice. The 5860 seems to be an amp hog(441). I wonder if you got a 3-400 amp esc you'd be happier with it. I believe for everyday it may be a bit much. Oh and thanks for the heads up on the the soldering job. I have a station at the house, so I don't have to pay people to do it for me again, it's been a great investment.
    Ok) I think the motor will use as much AMPs it can get.. 3-400A ESC would give more power but connectors are limited to 200-300A depending of brand, also Lipos are also limited to the internal connections between the cells, what ever Lipos C rating.. I can't use half throttle already )) will try new setting and gears and will know after...

  28. #28
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    Quote Originally Posted by VIX View Post
    Ok) I think the motor will use as much AMPs it can get.. 3-400A ESC would give more power but connectors are limited to 200-300A depending of brand, also Lipos are also limited to the internal connections between the cells, what ever Lipos C rating.. I can't use half throttle already )) will try new setting and gears and will know after...
    TP motors are known to kill ESC's not up to the task.

  29. #29
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    Grips Maxx Build

    My Leopard 58113 V2 1050kv will get up to 220 degrees Fahrenheit relatively quick. If I keep going, Iím sure the Temp will continue to climb. Iím using the max5 ESC and SMC 9600 90c 4s batteries. This system pulls a ton of power from the batteries! You need PREMIUM low IR batteries with these power hungry systems. My batteries were hot to the touch after a session in the snow with paddle tires on.
    The high temp is discouraging as that was one of the main reasons I went with the big motor over the stock motor. I was sick of the stock one getting hot so quick and waiting for it to cool down. I thought for sure that going with the bigger motor wouldíve eliminated the heat issue....itís better, but still overheats..
    Last edited by pontiacHP; 02-08-2018 at 12:37 PM.

  30. #30
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    Quote Originally Posted by pontiacHP View Post
    My Leopard 58113 V2 1050kv will get up to 220 degrees Fahrenheit relatively quick. If I keep going, Iím sure the Temp will continue to climb. Iím using the max5 ESC and SMC 9600 90c 4s batteries. This system pulls a ton of power from the batteries! You need PREMIUM low IR batteries with these power hungry systems. My batteries were hot to the touch after a session in the snow with paddle tires on.
    The high temp is discouraging as that was one of the main reasons I went with the big motor over the stock motor. I was sick of the stock one getting hot so quick and waiting for it to cool down. I thought for sure that going with the bigger motor wouldíve eliminated the heat issue....itís better, but still overheats..
    That sucks. What gearing are you running?

  31. #31
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    Quote Originally Posted by Gripdog7205 View Post
    That sucks. What gearing are you running?
    Yeah it sure does. Started with 34/46 then to 34/50, 34,54 and now at 32/54. Not sure what Iím doing wrong. Any suggestions would be appreciated!

  32. #32
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    Grips Maxx Build

    Quote Originally Posted by pontiacHP View Post
    Yeah it sure does. Started with 34/46 then to 34/50, 34,54 and now at 32/54. Not sure what Iím doing wrong. Any suggestions would be appreciated!
    Well the obvious seems like gear mesh, drivetrain binding, or you're overgeared. But with that motor I'd of thought you'd be good to go. When you have the truck off the ground and hit the throttle, then let off, do the wheels stop or coast?

  33. #33
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    Quote Originally Posted by pontiacHP View Post
    Yeah it sure does. Started with 34/46 then to 34/50, 34,54 and now at 32/54. Not sure what I’m doing wrong. Any suggestions would be appreciated!
    If i remember right KershawDesign recommend 29P/54S for 5892... i use castle 2028 dual fan, replaced with Hudy 6-8,4V (use 8,4V) extra battery, really keeps temp down! 127F runing hard 5-10 minutes.. think 34P use more AMP and give higher temps... Ps upgrade Max5 fan as well.
    Last edited by VIX; 02-09-2018 at 05:33 PM.

  34. #34
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    Quote Originally Posted by VIX View Post
    If i remember right KershawDesign recommend 29P/54S for 5892... i use castle 2028 dual fan, replaced with Hudy 6-8,4V (use 8,4V) extra battery, really keeps temp down! 127F runing hard 5-10 minutes.. think 34P use more AMP and give higher temps... Ps upgrade Max5 fan as well.
    Thanks for the reply VIX. I currently do not have a fan on the motor. I honestly didnít think I was going to need one! But maybe your right and I should try the castle dual fan. I also have a 30t pinion I can try as well.
    So youíre powering the fans with a separate battery? What battery are you using and where did you mount it?

  35. #35
    RC Turnbuckle Jr.
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    Had a guy suggest a 5660 TP to me. He's running a 1920kv. It's nasty. I'll be investing in a BEC and Cap pack I'm sure. Just trying to get a functional vehicle first. Then see what to do next

  36. #36
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    Quote Originally Posted by Gripdog7205 View Post
    Had a guy suggest a 5660 TP to me. He's running a 1920kv. It's nasty. I'll be investing in a BEC and Cap pack I'm sure. Just trying to get a functional vehicle first. Then see what to do next
    You haven't commented about one since this post so I'm assuming you didn't, but I'm curious as to whether you ever put in a cap pack and if so what did you use ?

  37. #37
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    Quote Originally Posted by Rain Dawg View Post
    You haven't commented about one since this post so I'm assuming you didn't, but I'm curious as to whether you ever put in a cap pack and if so what did you use ?
    I havenít gotten a cap pack. Since I donít have data logging I canít see if itís really necessary. I will get a KillMode most likely, just because. Iím running a 5898 1100kv Leopard. Itís a 6500 watt motor and pulls right at 200 amps, and thatís what the esc constant current rating is. Itís a very good match. Good to hear from you by the way.

  38. #38
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    I know I am new to the xmaxx but learning fast---it sounds like too tall of gearing for such a big truck.Even with a lower kv motor and best esc guys say they still see high temps with too tall of gearing.Just a thought mind you.

  39. #39
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    I use paper to set gear mesh. Doesnít bind at all and the wheels coast to a stop. Do you think it might be batteries? Iíve noticed people talking about capacitor packs, is that just to help the ESC get it the power it needs to start the motor spinning?

  40. #40
    RC Champion lektro's Avatar
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    Quote Originally Posted by pontiacHP View Post
    I use paper to set gear mesh. Doesn’t bind at all and the wheels coast to a stop. Do you think it might be batteries? I’ve noticed people talking about capacitor packs, is that just to help the ESC get it the power it needs to start the motor spinning?
    Not to butt in on Grips thread but since you mentioned gear mesh. I like to set mine by eye and sound. Push tight, back off 3 hairs worth, tighten one screw, then listen for a very short back and forth click on all gears. take other screw with loctite, install all the way tight. Then remove the other, loctite, install and lock um down. I like this way better than the paper. Nothing wrong with using the paper, I just like it my way... Perfecto.
    Choose Life !!!

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