What are some mods you can to lower the gear ratio without getting new gears or adding gears? How do you get rid of wheel lags? Can you use two separate circuit boards to run the two motors separately? What can you do to make the axles more inward so it's more scale? What do you use to trim the wheel fenders? Should I make a 4 link mod? How can I make an easy cheap 4 link mod to my NB? What can you do to stock shocks and springs to make it flex better without buying so much other parts?