Dartfreak75... Quick TQ tuning tips Video I made for you

if you put a drop of oil on the shafts near where it enters the throttle body, and that quiets it, then yeah the shaft and/or the TB casting is worn. Does the throttle shaft still have the green Teflon coating?
I've heard of some shops, drilling out the TB's and bushing them back down to size. BUT, to do it properly takes some special machines and machine tooling, and some machining skill.