what front IFS kit are you running in your 47-55 3100

If it is a concern on track width, wheels with a different back space are usually not a problem.

 

i have a 1950 3100; and i know of someone selling a front end clip off a 1974 pontiac, would that work on the truck??

 

Besides the ones mentioned-
Jim Meyer offers a kit that uses Camaro parts
Chevs of the Forties and a few others offer kits that use C-4 or C-5 Corvette parts