Ok I tuned on it for a few.. I hit 224.7mph BUT I am only at 647HP because I'm pushing 50,000miles on this car.. So with my tune and your horsepower you MIGHT hit that 230 mark..
Buy wing
Downforce 0 front, 20 rear
Drivetrain LSD - stock Differential
Suspension
0 toe and camber front and back
Ride height 45 Front, -25 rear
Springs 3.0 & 3.0
Extension 1 & 1
Compression 1 & 1
Anti-roll 1 & 1
Transmission
IN THIS ORDER!!!
Reset to default
Set final to 5.00
Top speed clicker to 193mph
First gear- 2.403
Second- 1.518
Third- 1.206
Fourth- 0.953
Fifth- 0.748
Sixth- 0.617
Then move final again to 3.164
Good luck and let me know how it goes!