When the difficult questions get asked it’s crickets chirping... most people don’t know how to answer and those that do are rarely going to offer up any hard learned information. Case in point, go check out the thread on the guy asking how to port cases for a big bore, chirp chirp chirp. Plenty of us know how to do it but not going to give up information to give anyone a leg up or infringe on someone’s livelihood that charges for such services. Plus some things are just better left to those with experience