After 2 months of rust repair I think the end is in sight and not a minute too soon. As is usually the case, I found more rust as I went along. One of the trailing arm ears was cracked, the hellhole was much worse than I had figured and there "minor" rust-throughs throughout the floor and engine room.
With the thinking that I can do it better, I fabbed all my repair pieces from 16ga and beat and welded them into shape. It's amazing how agreeable this stuff is if you use a little forethought and finesse. The main advantage is that I could retain any structural strength that the old metal gave me, after the rusted and weakened metal was removed of course. Lapping new metal over the old would actually make it stronger than new metal alone. Also, by keeping as much as possible of the old metal in place, maintaining proper dimensions and squareness is much easier. On the negative side, I know I left some surface rust on the inside of some of the remaining metal. I tried to get as much as I could but Where I couldn't reach it I sprayed copious amounts of rust converter. Not the best solution but a fair trade-off in my opinion. Here's some pics...
RUSTORATION PURISTS MAY WISH TO AVERT THEIR GAZE.
Driver's long, hardest part about this is finding good solid metal to weld to and then getting the stinger in to weld it. I used plenty of plug welds. Getting 16ga to conform requires a lot of patience, really big C-clamps and a bit of imagination.
Click to view attachmentFloor pan wasn't too bad except for this area that I cut out.
Click to view attachmentThe floor to bulkhead joints were solid so this was a good candidate for a lapping patch. The aluminum colored coating is Rust Bullet. That stuff is amazing but DO NOT get it on your hands. Also note the corner gussets. There was a small hole in the inner long that could have been covered with a small patch but I decided to wrap around the corner and weld it all to the floor for a bit of extra stiffening to the chassis. How much, I don't know but it can't hurt. I did the same thing with the trunk floor, flanged up a piece of 16ga, about 2" on each leg and welded it all the way across. Now that I'm pretty sure has added some stiffness, but alas, can't find the pics I took.
Click to view attachmentSomewhere, I've got pics of the hellhole and suspension console repairs but can't find them so take my word for it, they're impressive. Next, and hopefully l;ast rust task is the front trunk. I've got a whole rust-free trunk bottom so that should be a pretty straightforward job (famous last words).
I can't wait to get this rust done so I can get on with the fun stuf. I'm slowly gathering parts to put my engine together. Ever try to find parts for a Rover 3.5 V8? Onward.
Tom