Valid point, but I'm broke and I didn't want to throw away a perfectly good throttle body mainly. My local yard charges like $50 for throttle bodies or something crazy. That, and I have a N* throttle body just lying around along with an LS1 throttle body and I really want to install it, but haven't had the time or money. So instead, I filled in the throttle body and rounded it out. It's a few pages back, but it actually turned out really well!