Nascar Grand National build test

these cars are running between 1-1.5 secs difference, would like to get a few in a race and give them a go

459 - 70 z28
460 - 70 dodge challenger
471 - 69 firebird
462 - 71 cuda 426
455 - 69 charger
451 - 73 trans am
480 - 69 mustang boss 302
471 - 69 nova
447 - 69 Camaro ss
464 - 69 judge gto
459 - 71 amc javelin
Build
Conversion>engine swap
5.7L V8

Engine
Cams - RACE

Aero
Front bumper - RACE
Rear wing - RACE

Tires and rims
Tyre compound - drag for ovals, race for circuits
Front width - 275
Rear width - 315
Specialised rims - ATS Classic

Drivetrain
Clutch - race
Transmission - race
Driveline - race
Diff - race

Platform & handling
Brakes - race
Spring & dampers - race
Front anti roll - race
Rear anti roll - race
Roll cage - race
Weight reduction - race

Nice, will be on later