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Thread: Speed run help

  1. #1
    RC Racer
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    Jun 2019
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    Speed run help



    Mamba monster x esc, castle 2650, 18/54 gears, xo-1 diffs, and 3s. Iím running badlands tires and a stock body til the flow tech comes in. Iím running the truck on the straight away of a high school track that is rubber coated... this setup is just as fast as my 15/54 velineon on all the same as above specs. I kinda expected it to be faster? Maybe 300í isnít enough room to stretch out 18/54? Thinking I need a 4s too for the castle setup.


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  2. #2
    RC Qualifier
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    Feb 2018
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    555
    Quote Originally Posted by calebgilmore View Post


    Mamba monster x esc, castle 2650, 18/54 gears, xo-1 diffs, and 3s. Iím running badlands tires and a stock body til the flow tech comes in. Iím running the truck on the straight away of a high school track that is rubber coated... this setup is just as fast as my 15/54 velineon on all the same as above specs. I kinda expected it to be faster? Maybe 300í isnít enough room to stretch out 18/54? Thinking I need a 4s too for the castle setup.


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    Velineon has a higher kv. The 2650 will be slower until you hit higher voltages.


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  3. #3
    RC Racer
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    Jun 2019
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    Think Iím going to get a 4s battery and step up to a 21 tooth pinion and see what happens. Iíll stick the 18 back in for bashing. I have a temp gun coming too.


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  4. #4
    RC Qualifier
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    Dec 2017
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    Those tires and body are at their limits already.
    Expect lots of blow overs going faster.

  5. #5
    RC Racer
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    Jun 2019
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    Quote Originally Posted by LibertyMKiii View Post
    Those tires and body are at their limits already.
    Expect lots of blow overs going faster.
    Yeah I have a flo tech body coming. I was hoping the tire growth would help a little at speed with the gearing. I should try with the stock tires maybe Iíve experienced a couple blow overs already as you can tel by the gps/truck top Hahahaha.


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  6. #6
    RC Racer
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    Dec 2016
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    The 2650 is a beast on 6s

    Iíve never ran it in a Slash, but I have a speed car that eats with that power plant


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  7. #7
    RC Champion zedorda's Avatar
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    Sep 2015
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    S.E. Michigan
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    1,019
    You can gear that 2650 up alot more before seeing much heat. I would go with a 24/50 before even bothering with 4s.

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