does anyone have a 37-39 chevy car with a dropped axle?

hey guy, I was wanting to find out how much of a dropped front axle you are or haved used on a 37-39 chevy car, what problems if any, with tire/ fender clearence ,what size wheel did u use and backspace. I know I can't be the last guy still using a dropped axle on a 37-39 chev!!!. at this time while mocking -up my 39 i am still using the stock i beam with the 3" dropped mono leaf springs for ref. I have a streached 3" ibeam that mor drop did for me, that I am going to use with the mono leaf springs if a can. any help out there????????