Don't feel bad, my mav is a ca car too, and the rust is much much worse than yours. It has eaten both rear corners completely all the way back to the rear. OH well. Looks like you will have to change the info under your name on the left
The yellow material looksl like primer . Probably Sikkens 3 in 1 . It was pretty popular stuff at one time .
. Hey, just wanna give you an update. I bought a 3M COARSE 4.5 inch "sandblaster clean-n-strip disc" from Lowe's today to go on my little Bosch electric grinder. I tried it for about 5 seconds and I was impressed. I'm guessing I can do all the work I did with the drill scuff pads and wire wheels with this new scuff pad in less than 3 minutes. If you guys aren't sure what I'm talking about, it's a super coarse fiber pad about 3/4" thick that looks like it is almost epoxied together. Anyways, it made mincemeat out of all the bondo, primer, fiberglass reinforced bondo, rust, and whatever else is in there. This makes the paint stripper I bought kind of pointless . Tomorrow I'm going to strip the whole quarter panel and we'll see exactly how bad of a situation I really have here.
I stripped my whole car's paint down by hand, and I used a product called Grill Brick. It's a very porus block (looks like volcanic stone) and works very well. It is also known as Fart Block because when you use it it emits a nice sulfur-like fragrance! It's actually not that bad - you get used to it. I got it from my local paint and body supply store. -Corbin
As the name states, Grill Brick was originally used for cleaning BBQ grills, so I suppose you could get some at a BBQ store if they carry it. I learned about it from an experienced body man. Here's a pic. -Corbin
You can get it at a restaurant supply store, Smart and Final, etc. It was used by restaurants to clean their flat cast iron grills. I worked in some restaurants when I was younger and used those things everyday at closing time.
I was asking about the grabber hood in the second post of this thread topic. Thanks all the same, tho