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Originally Posted by Shark413

I should be getting my CRT.5 roller soon and will convert it over to brushless power. I will be using a Mamba Max with a MM 5700 motor and a Maxamp 3s lipo. My question is should I go for a 5000mah or an 6000mah lipo? I want to keep the as truggy light as possible because it is pretty small, but is the extra 1000mah worth the extra 100oz? The 5000mah 3S is 345grams and the 6000mah is 443grams.

The system you are planning on using will be too much for a crt.5 and probably run very hot. If you are going to use a MM & 5700 then 2S would be a much better choice. If you really want to use a MM system on 3S then the 4600 motor would be a better choice.

My crt.5 runs a Novak GTB & 6.5 on 2S. With truck tires (3.8" dia) it goes about 40mph and easily clears the 25ft triple at my local indoor track that does not have much of a run in.

If you really want 3S in the crt.5 then look for a 2700 to 3000 kv motor and run a larger pinion to get the top speed you want.