Manic Karts Hints: ------ Submitted by: rickHH Free Items: ----------- If you're miles behind in a championship race, head for the pits and park! In addition to fuel, you will load up with free Nitros and Super Grips that can be carried over to the next event. Upgrades: --------- Spend your prize money first on upgrading your tire compound and tuning your engine. At the end of the season, you'll have the hottest cart on the track!