Ok this is what I have, give me the perfect mix for turn courses and such but I still want some speed.

I have:

Castrol Tom's Supra Body

Zip Zap-
Nos Motor
Red Motor
Blue, green, red axel
Blue, green, red gear
Stock, medium tread tires
3 versions of suspension (2, 4,and 8 hole)

MicroSizer-
OEM motor
Teal, Orange, Green axel
Teal, Orange, Green gear
Stock Tires
Stock Suspension

Out of all of these parts mixed and matched, what would be the best for courses with turns (Grand Prix, Turismo, whatever ya wanna call it) but I still need some speed.
PLEASE HELP
PS All off your guys input up to this point has been very informative and I thank you.