340 stroker build questions

Girdle is a waste of money. Guys with 550 and 200 shots aren't running girdles. Even turbo cars... no girdles. Spend $ elsewhere

Depending on the pan you use, a windage tray is another leave it out item.

x2 yup

Stud the mains, and replace the caps 1-4 with Program 2bolts - and that's about as good as you'll get in a factory block. If you still don't feel that's safe for you, buy a real block.