Early McColloch Supercharger, Part 1 Photo Gallery
Once satisfied with the driveshaft endplay and the rotor-to-case clearance, Wallic disassembled the components taking care to maintain the shim combination. He then installed the lip seal (PN 712027). Measuring those dimensions with this seal in place could influence the measurements. Note the holes bored in the case under the rotor. More about them in the next installment.