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R E V - O S I
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FINISHED !!!
I found some 8mm shaft wheel adaptors that have revo 10/32 thread so I turned them down to take off the extra ridge that was on them and Presto
Got the 6s lipo
Mounted the wheels
ALL this and now the Radio wont sync with ESC anymore ! 
other radio's dont work either. sending it back.
I tried driving it with my DX6 stick radio but the car is too fast to deal with a stick controls. But the car is
insanely powerful It burns out at 15 mph for over 10 feet
Been wanting a pistol grip for my Crawler and now this Beast needs a reliable radio so I'm GOING TO ConVerT a Spectrum DX6i into a Pistol grip
I'll post Video