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A friend of mine bought one of those Z cars of that era, a 260 or 280. The front frame rails where the lower control arms mounts were completely rusted. You better check that area very closely before...

I hope you photo and post the pics.
I'm always a sucker for experiments like MartinSr does.:dunce:

I have the most common model that goes up to 1/2". It works great.

Another option: Another truck.
How are the floorboards and frame? I bet they aren't too good since the exterior is that rusty.

One more thing.
Oil that DA buddy.

Dennis is right!

Yes or you can mix up a capful and spread it with a razor blade.

If Len can't get some for you, go to Home Dept in the rental dept. You can get some H&L sandpaper for 7 or 9 inch discs for floor sanding and cut out the 2' circles.