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.
'64 swb stepside (gone) '57 1 ton '53 phone truck '59 swb '46 1 1/2 ton '68 swb gmc
