416 Upgrade

I haven't had it to the track yet, nearest track is about 2 hours drive and its getting too hot here now so i will wait till next year to run
Vehicle is 3570 pounds with me in it so yes i should be somewhere near a high ten.
I want to eventually run a low - mid ten, to do that i may need a bit over 600hp.

Plus i just have an urge to spend money and want better than what i have now.