Find someone that has copies of PO Ackley's Handbook for Shooters & Reloaders. There is load data in there, albeit old load data. A lot of the Ackley stuff used some high pressure loads, so work up to the max stuff with quite a bit of caution.
Performance wise, a Swift does not benefit all that much from "improving" as other cases do such as the 22-250, but longer brass life from less stretching is alway a plus.
I once asked a liberal "What is it with you people? Is it ignorance or apathy?'
He said, "Well, I don't know and I don't care.'"