I had an older Kobelco 14-71 "superman" blower at one time. With a fresh stripping, it would make close to 50lbs at 50% over. So the RIGHT older blower will be OK and not break the bank.

By the way, I had that blower on a SOLID INDY block 526, with solid INDY heads that went low 4.0s in an old Pro-Mod car about 12 years ago. That was right in the hunt back then.........This car