ii sent off an email to wheeladapters.com... this is their reply to my question of changing from 4x114.3 to 4x100...
kinda pricy, but its an option, and since im sure this question will be asked more than once, i figured id post it.
"MOST 1" TO 1.5" THICK CUSTOM MADE ADAPTERS OR SPACERS START AT $65
EACH. LARGE TRUCKS ARE MORE.
1/4" TO 3/4" THICK HUB CENTRIC FLAT SPACERS $40 EACH.
THANKS FRED GOEKSE
21300 Deering court
Canoga Park, CA 91304
Actually thats pretty cheap when you figure how cheaply you can get high offset wheels in that bolt pattern. my wheels were 180 each and I still need to have centering rings made for them to fit correctly.