It was not uncommon to have an expander under the second ring, which serves a dual purpose. It seals compression on the upstroke, and twists to provide a "scraper" action on the downstroke to catch any oil the oil ring missed. You're describing a normal 3-section oil ring on the bottom groove, two thin chrome-faced scraper rails and a corrugated-looking separator between them. It's normal for a new ring set to make an engine hard to turn, especially if the cylinders have been honed to the correct kind of crosshatch, about a 60 degree angle between intersecting scratch lines. I hope you cleaned the cylinders after honing with hot soapy water and a stiff-bristle scrub brush, followed by several rinses with almost-boiling water. Leaving even a little hone grit in the cylinders will destroy new rings in a very short time.
You're WAY over the recommended taper so don't expect the ring job to last long.
Torque specs from the Federal-Mogul master specification catalog:
Rods: 35-45 ft/lbs
Main bearings: 100-110 ft/lbs
Cylinder head: 75-80 ft/lbs
Good luck!
Jerry
