Rust protecting your car

[Mux213]

Ivan,

I'm not sure about that because I don't know that much about welds. My guess is that welds themselves are fairly dangerous because bad welds can rust from the inside out, not matter how good you've treated the outside. If the rust is on the outside then its a matter of getting rid of the rust and neutralizing any invisible rust (smaller then the eye can see).

My guess would be sandblasting and then soaking it in fertran (and leaving it for atleast some hours) to get to the areas the sandblasting doesn't get to (actually I think wirewheeling would be good enough here and less risky to damage the welds) and then priming it. Yes you will have a rough surface but you can fill that with epoxy and get it smooth again.

But do keep in mind, what I wrote up here is what I've read on the internet and discussions I've had in other forums. I hope to get my story challenged by someone here who has more hands on experience then I have So far I've only done extensive work on my RX7 with mainly POR15. I must say that so far I haven't noticed rust returning, even on very badly rusted parts. I'm gonne be using POR15 on my spare axle aswel since there is no way I can remove all the rust (not is it important to in this instance).

I must say one thing that springs to mind, my friend who is doing the body work for me has changed the hood on his car by welding parts to it, very cool result. Anyways, he melted tin on the affected areas to fill up the holes and stuff. Sorta like the lead lining that was used on Discovery channel when they fixed up that e-type jag

Btw, nice thing to know that I will be taking pictures off. On the right bottom of my rear window I found a nasty point of rust. We'll be taking the rear window out and then cutting part out of the window frame. Instead of welding a piece of steel in, we'll be glueing a piece of steel in! According to theory this is actually stronger then welding. At the repair shop my friend works at they are starting to glue more things together then weld them together. Leaves much cleaner and stronger results.