Be careful what you take apart in a k-jet system. Some of the parts are easy to damage and difficult to find. Use the search function on this board to the max and study eveything before you act. The system is reliable and long lasting but mechanically complex. The operating pressures are also higher than any other, around 70 psi out of the main pump and up to around 50 at the injectors. A good shop manual is a must. The website k-jet.org is helpful. Good econamical parts sources are also given on the brickboard. It will be a great daily driver. For autocrossing there are lowering springs, heavier sway bars, and poly bushings available. However, the car starts out with something of a disadvantage because of its' narrow track and high center of gavity.