Time to start gently cleaning the car up for the Vintage Certification next November. Up on some truck jackstands so I can get some room to wipe things down on the underside.
I took out the driveshaft to properly clean it up. Here's the before photo. All I am doing is carefully cleaning the grease and dirt off the flanges and then maybe a soak in the Evaporust to see if it cleans the surface rust off the shaft.
Here is something interesting: Two different style flanges and two different head markings on the bolts.
Here's the soaking tub. A section of plastic gutter lined with heavy poly sheet to hold the liquid around the driveshaft: