crankshaft

Hey guys, I'm building a big bore 347 to make somewhere in between 800-1000hp, I know there are some high dollar cranks out there that can do the job but dont really fit the budget. I was looking at internally balanced cranks from Callies, Lunati, Eagle, and Scat and as far as my research goes...

I had to helicoil one of the flywheel bolt holes in my crankshaft. In the process there was some metal shavings that I cleaned out best I could. I am curious if its even possible for them to get into the oil and cause damage? Or is the tiny area behind the back of the crank separated from the...