ZR1 hands down,
I had my ZR1 and a C-5 just happend to be a Z06 I still have my ZR1 2 of them now actually,
I drive my ZR1 daily and have put almost 11,000 miles on her in the last 2 years 9 months of that time I was in the persian gulf and the subsequent war My car was torn apart at the time...