If you've got the brushless setup in there I would keep that for now as we've a few at our club running that system and it's perfect until you really need more speed! (don't know about settings tho sorry)
Believe it or not, adding weights to the front is a great tuning tool (a lot of other cars do this too) on the setup sheets you should see what most people add.
What setup have you used and what surface are you running on?
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