Details to convert pressed piston pin to full-floating?

Does anyone know if the factory small block piston pins are the same part number for full-floating and press fit applications? (i.e. would a full-floating 340 and press-fit 360 factory piston pin be the same?) Why am I asking this: I just pulled a connecting rod and pin out of my 10:1 molasses/water mix for de-rusting and it appears the molasses did a number on the chrome finish of the piston pin. Thank you.

(P1182 would be a TRW part number, but don't know if it is universal or for floating or pressed pin specific applications)