Drilling my Zbar??

Yep, that can be an issue too. The factory big block clutch rod is thicker, that is a small block rod that has been messed with. What bell housing are you using, and if you have the correct one do you have the proper spacer and ball bracket?

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Not sure what bell housing I am using or how to identify it either for that matter. I do have a large 1" spacer however, one of the threaded holes is broken so only one large bolt holds the pivot on. I have it solid with locktite and it has not moved while I was using it. I realize it is not ideal but it would require replacing the bellhousing which is not something I want to do right now,(as long as she stays solid.)