Originally Posted by eat_world
I'm willing to bet with the proper set up you could easily get 35 mpg with a rwd v8 hhr. With a 4L80E (or what ever trans chevy is using now) and the proper gear ration in the rear it would be extremely easy. Then can throw in the possibility of North star v8 and the possibility's are endless.
If you're gonna go to that much trouble, who cares about gas mileage! A full frame, narrowed 9" Ford, a powerglide and a blown big-block, now that's a RWD HHR! And believe me, somewhere, someone is working on one right now