i imagine you will get less gas mileage...
Not necessarily true. A small motor working really hard, will many times get worse mileage than the big motor.
I think with the right gearing a 429 would be a good engine for a skoolie.
With a nice set of headers and some chrome sewer pipe side pipes.
It sure could be made to "talk" to you.
Yea, I know the engines in the back. I took some artistic liberty,OK?