been involved with a few 9 & 8-sec car builds over the years. You'd be surprised at what can be achieved. The Capri we have is at the top end and has cost $85k over 25 years that includes painting twice, 2 x 302 Windsors and the 4L turbo plus now the freshen up of it, has run 100's of low-mid 8-sec passes, we cruise it everywhere drives just like a daily from back in the 70's
We just finished another streeter which will be another 8-sec car, all up there's about $35k worth of gear gone into the car. You pick and choose the right car/combo you can get away with it cheap.
Any car running 10's is super fast, if ur running those types of numbers then you got a mega quick car on ur hands.