Apparently @ Mr Blaine says that you just need sufficient clamping force on that connection, no matter what size hole it is. So you should just be able to put in a smaller bolt in the original (or stock) TB, torque to spec and be good.
Has never worked for me.
As for the insert. I know they make inserts for the knuckles, have not heard of one on the TB mount.
Has never worked for me.
As for the insert. I know they make inserts for the knuckles, have not heard of one on the TB mount.