As I said before most of those OOTB Holley, QF 1250's have way to big a throttle blade/bore for probably 99% of the cars out there. Certainly from this board. Just been what I have seen. I think you will find plenty of them out there for sale and likely there is a reason.

"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"