Reason For Bad Gas Mileage?

[cdnz]

The obvious reason is the more powerful LT6. My other guess is the owners drive their Z06 in the higher upper RPM range vs those of us in the LT2? In normal cruising.

 

[1st Vette]

The obvious reason is the more powerful LT6. My other guess is the owners drive their Z06 in the higher upper RPM range vs those of us in the LT2? In normal cruising.

A fat foot ........

 

[Northerngoat]

Flat plane crank. By their very design they are not as efficient as cross plane cranks.