4 lug to 5 lug

[Veedub]

I was thinking of having my drums redrilled for 5-205 or 5-112 but wsa told I wouldnt have any room on my drums to do so, and to get the drums that already come in that pattern, what moddifications are required to do so, Im just hoping I can just put the 5 lug drums on w/o changing anything major.5-112's have a good aftermarket in wheels and the 5-205, i just would want the Radar rims , would addapters be ok ?