Most are not. Most V8 street combos are closer to 60/40 than to 50/50.
Easy front end diet:
Trunk mounted battery
Manual steering
No A/C
Lightweight Disk brakes and wheels.
Aluminum radiator
On my Swinger, I've gone so far as to swap in a 340lb, 300hp 3.6L Pentastar. It's not only a couple hundred pounds lighter than a 340, but 10" shorter and pushes the CG in further back. The cars not quite done yet but I will definitely be getting the corner weights as soon as I get a chance.