Yea your gonna want to use the current limit. I am usually between 40 at a low to as much as 70, seems best for me . All depends on availible traction.
From your EB48SL post.
I personally like a 18T on that size track, I would start there and see how it feels to you.
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What settings would you suggest on the ESC? I have an RX8 and from what I've seen on the SCT side of things is that most people run low Current Limit with the Pro4 HD motors 40 to 60 is used. Would you suggest I run some current limit with this setup or keep it at 100?