How would you build a low 10’s street car

Strip the car to the ground. NO glass, wires, trim, rubber.... doors, fenders.. Everything. FREE!!
Now said bucket-O-money....
Everything blasted and treated 1500-2k?
Light weight very custom cage 5-8k?
Light weight very custom front suspension 4-7k?
Same 4-7k? For rear axle and suspension.
Paint?? 2-15k you pick...
Wiring 4-600+ 2-5k install.
Very custom interior to go around very custom cage. 5-8k?
Custom breaks to stop it all 2-3k?
3-8k? in light weight body parts.
Wheels and tires 1-3k?
Engine 10k+
Transmission 3k+
About 40k on the low side...
And about 70k on the high side...