I've used Parma "pink" gears for my builds.
Before I found this site, I posted a couple builds of these I did here:
http://slotblog.net/topic/35094-new-amt ... iew/page-4(I started with the galaxy, then went to the Camaro and then 442)
I've had a lot of fun with them and there is a lot of detail as to mods done, etc in that whole posting - hopefully it can be of use to those playing with their new acquisitions! :D