Originally Posted by jfnar
I have a 4.10 rear in my 57 3800 with the original 235. It does ok on flat roads but driving on some mild hills gives the engine all it wants. My 235 is probably not tuned perfectly even though is sounds pretty smooth.

Thanks. I'm thinking of updating to HEI, and rebuilding the carb, but I've got an otherwise stock 235. Most of my driving will be flat though.