Originally Posted by tom2112
Thanks for explaining the inner groove!
That's an awesome cross-section pic. It really tells the story. I wish it was labeled with dimensions though.
heres a rough estimate tom
http://img147.imageshack.us/img147/6...ataametmc5.jpg
alan e/c has made a c3 type pulley. its in testing phase for now. no word when they feel its ready for production. im sure jake will post it here when its ready. he knows the biggest market is the xfires for the s/c pully!