What springs are you running? right tires for the track? make sure both steering links are the same length and adjust toe with both tie rods evenly.. aside from that, a little play from the inside wheel isn't a big deal and isn't your problem. Driving style with a 2wd buggy is much different than 4wd cars, it's more point and shoot.. watch other drivers and notice how slow and precise they make corners. It's actually faster that way even if it doesn't feel like it while driving