How would you build a low 10’s street car

I measured a 67 Barracuda Formula S factory A/C car without the under hood A/C components except the condenser (with A/C HVAC still in) in college for a project and it weighed 2940 lbs.... Oh yeah, it also had a factory console shift...
Mine weighs 3245 with 2 gallons of fuel in it. It has no heater box or Fender splash shields,console car and original ac car, ac is gone. It has a driveshaft loop, but that’s it on the plus side. Second generations fastbacks are FAT! I’m 300 lbs fatter than a 70 duster I run against and neither are cut up. You going to put a bar/cage in the car? If so, not a good idea to drive it on the street with no helmet. Oh and all the undercoat removed. This is according to my longacre scales.