Continuing with the trend, I have decided that the rust must be repaired. I have pulled everything out, including the sound deadening that I will probably replace with Dynamat in certain areas.
BTW, the strange lighting is due to the use of a 250W High Pressure Sodium discharge lamp in the car. This is the only way to work on cars in WA. This is a practice MT has been using for a while.

Driver's view. There is no rust on this side.

Across to the driver's side.

That drainage hose mentioned in Koan's thread.

A piece of steel was tacked onto the outside, with a differing profile by a P.O. There was clearly a huge hole there at some stage.

A few holes, but not too bad.

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Unfortunately, the car is missing the carrier for the main loom.

Tim