This is my list of priorities; every build needs a template:
Here is a list of explanations for the order of priorities and needs for the build:
Weight reduction is a free mod for the most part and can increase acceleration and stopping times.
Better cooling is needed considering the small 2 gallon system on these cars coupled with a radiator that is positioned higher than the engine. With the higher RPM range used and constant acceleration in a race heat soaking is a big fear.
Suspension is next because slowing down around turns will dramatically increase your lap times. The rear semi-trailing arm and lack of camber is a big down point. The stock 16 inch wheels are too narrow and the sway bars are too small.
Stopping is the biggest necessity if you are going to go faster. The front disks are non-vented, the brake hoses aren't sturdy enough, and the calipers aren't anything to write home about.
Power gets you moving and you will need to get moving out of corners and on the straights. The intake is restrictive, the RPM range is poor, the clutch sucks, and the differential is very tame.