Far North Texan
Active Member
I am in the process of saying goodbye to my old Isspro fuel quantity, and oil temp/pressure gages. I am going to replace them with electronics intnl. guages.
The existing holes are 2", and the new guages require 2 1/4" holes.
What is the best way to open these holes up?
An instrument hole punch would be best I think but how do you keep it centered with a 2" "pilot hole"?
No doubt there is a tool for this but I don't happen to know what it is.
The existing holes are 2", and the new guages require 2 1/4" holes.
What is the best way to open these holes up?
An instrument hole punch would be best I think but how do you keep it centered with a 2" "pilot hole"?
No doubt there is a tool for this but I don't happen to know what it is.