Best method for enlarging the fuel rail holes.

[FE3-323]

What methods have been used???
plainly a hand drill with a straight drill bit is frowned upon

[Fred]

Might be time to import the first of my excellent threads from the legacy site! I did an article on this. If you wanna do it right, you need to go to some trouble. I assume you mean the holes for the injectors, not the feed?

Fred.