Sorry, I have been watching this thread, and as I now need a tongue transplant due to biting.
I remember when I was young and got my first grinder.
Are you serious? That cutting around an open engine, while you are trying to make the inlet manifold!
As you prob. did not glaze bust the bores while it was apart, an easy way round it, put 1 teaspoon of fine valve grinding paste in the first fill of fuel, saves loads of time. I presume you will not be using a fuel filter as they can be restrictive.
(At least all the damage I did was to the glass of a mini while I replaced the floors.)