1991 corvette what is the difference between the ZR-1 and the coupe?
First of all the Coupe has an iron block overhead valve (16
valve) 5.7L V8 with 240hp. The L98. The ZR-1 has a Lotus designed,
Mercury Marine built, aluminum block dual overhead cam (32 valve)
5.7L V8.It's called the LT5. It has 375Hp. The suspension is more
track tuned. Higher spring rates, bigger anti-roll bars. Things
like that. The rear body work is wider to fit wider rear rubber.
There is also center high mounted stop lamp (CHMSL).