Where to pass battery cable through firewall, 4 speed car.

Ok, finally got a picture of where mine is routed,

View attachment 1714932113

Mine is in this neighborhood except I used a feedthrough stud. Bought it from a marine supplier "Blue Sea" I think mine is right up against the edge of the clutch rod hole, itself being used for the Holley EFI cable.

I don't remember think it's a 5/16" stud