H3 w/ V8 in near future?

[Michael1]

Originally Posted by f5fstop

To the original question, you won't see a V8 in '07. Maybe a diesel late in the model year. As for the disbeliever on the drivetrain components, if, and I do say if (small if), a V8 is installed, it will have the same axles and Tcases; won't mention the trans, but if it is different it is not due to torque, but for fuel mileage

So IF GM were to use a different transmission, IF they were putting in a 5.3L V8, would they bump up the transmission from 4- to 6-speeds to improve fuel economy?

Michael