Big Rock Best diff oile for big rock

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Mallerdaller

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Arrma RC's
  1. Kraton 6s
Hello.
Just got a awsome 3s Big Rock home, but i will just check the Diff - what oile should i put in?

IMG20220201222949.jpg
 
Stock is 10k. Folks run all sorts of combos. I do 15-20k rear and 20-30k front depending on which car and how I drive it.
Stock is 10k. Folks run all sorts of combos. I do 15-20k rear and 20-30k front depending on which car and how I drive it.
Expect it to be half or more empty when you open it. Thats pretty much normal.
 
Stock is 10k front and rear. I would run it first and see if you want to change something. There is no best diff oil. It depends on preference. Heavier diff oil provides more equal power to both wheels, which can increase traction, reduce spinning out, and help the car accelerate better. But if the oil is too heavy, it will start to reduce your turning. Lighter oil turns quicker.

If you spin/slide too much, heavier oil will help. But for quicker turns, a little spin or slide can be a good thing.

For the Arrma 3s line, people use 10k-50k, often heavier in front. Search RC differential oil tuning. There are many guides on the internet. These are the first 2 that came up for me. Then experiment with these tips in mind.
https://www.bing.com/search?q=diffe...57j69i64.8280j0j1&pglt=43&FORM=ANNTA1&PC=DCTS
https://www.radiocontrolinfo.com/differential-oil/
 
Stock is 10k front and rear. I would run it first and see if you want to change something. There is no best diff oil. It depends on preference. Heavier diff oil provides more equal power to both wheels, which can increase traction, reduce spinning out, and help the car accelerate better. But if the oil is too heavy, it will start to reduce your turning. Lighter oil turns quicker.

If you spin/slide too much, heavier oil will help. But for quicker turns, a little spin or slide can be a good thing.

For the Arrma 3s line, people use 10k-50k, often heavier in front. Search RC differential oil tuning. There are many guides on the internet. These are the first 2 that came up for me. Then experiment with these tips in mind.
https://www.bing.com/search?q=diffe...57j69i64.8280j0j1&pglt=43&FORM=ANNTA1&PC=DCTS
https://www.radiocontrolinfo.com/differential-oil/
I think I need heavier oil? I normaly do backflips with the car and normal jumps. - så maybe 20k in front and 10-15k in back? :)

Stock is 10k front and rear. I would run it first and see if you want to change something. There is no best diff oil. It depends on preference. Heavier diff oil provides more equal power to both wheels, which can increase traction, reduce spinning out, and help the car accelerate better. But if the oil is too heavy, it will start to reduce your turning. Lighter oil turns quicker.

If you spin/slide too much, heavier oil will help. But for quicker turns, a little spin or slide can be a good thing.

For the Arrma 3s line, people use 10k-50k, often heavier in front. Search RC differential oil tuning. There are many guides on the internet. These are the first 2 that came up for me. Then experiment with these tips in mind.
https://www.bing.com/search?q=diffe...57j69i64.8280j0j1&pglt=43&FORM=ANNTA1&PC=DCTS
https://www.radiocontrolinfo.com/differential-oil/
 
I think I need heavier oil? I normaly do backflips with the car and normal jumps. - så maybe 20k in front and 10-15k in back? :)
I don't think differential oil makes a difference for backflips. I primarily jump. I do 20 foot high double, triple backflips. Differential oil only affects performance on the ground. It changes how your wheels react to spinning and resistance. There is no resistance in the air. All 4 wheels are free to spin. The only place it would make a difference is before takeoff. If you are spinning or slipping during the approach, heavier diff oil will stay straighter.
 
Last edited:
All on how you want to bash. I like 20-10k but also play with 30k-10k. For me, I will not go over 30k for this light rig.
 
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