jnew,
The short answer is yes. The first time it'll be a slow process until you know how much to polish and for how long. I'm not sure which parts you're referring to, but if they were cast rough it may take several applications to smooth out the surface with polishing compound.
The short answer is yes. The first time it'll be a slow process until you know how much to polish and for how long. I'm not sure which parts you're referring to, but if they were cast rough it may take several applications to smooth out the surface with polishing compound.