Generally .010" clearance per Friction.
Some Forwards use 4 Frictions some use 5. Should be fine.
Pour 1qt. in TC/Torque Converter, pour 4qt. in Pan, with Rear on Jackstands start engine, shift thru gears, add fluid until it shows on the Dip stick, shift thru gears, add fluid untill it's at the Cold Mark, top off to Hot Mark when the Engine/Trans is up to operating temp.
Automatic Transmission & Torque Converter Fluid Capacity - TCIŽ Auto
Torque Converter Installation Instructions