Look forward to hearing your thoughts on the Home Depot Klean Strip product. 

Keep up the good work

I was doing the same thing tonight on mine.  I was surprised how good the rubber looked on them for being 40+ yrs. old.  I guess they are nicely protected from the elements.  Anyway please give an update on the rust removal on them if you get a chance.   

Thanks,

Chris

I took a few pics of the Etch and Prep I was testing on a brake drum. I wire brushed one drum and applied the etch with a brush, I applied some to another drum without wire brushing. Un-diluted. The shiny pic is wire brushed. The other pic shows rust without etch next to etch.

etch diluted 3 parts water/1 part etch on bare metal, dry's with a white powdery film, wire brushed the result is the dull steel. You can see the shiny side not treated vs dull side treated.

Does the Klean Strip Prep and Etch convert rust? Absolutely!  Home Depot paint dept. $14.95

http://www.kleanstrip.com/product/phosphoric-prep-etch

What primer and paint will adhere or not, still testing.

Looks good - might be a nice option for cleaning these parts up without resorting to a sandblaster etc

Wonder if it is only available in the states. Cant find anything on the Canadian site 

Looks to be similar to ospho.....it is recommended to rinse it off with water while the acid solution is still wet.  This neutralizes the acid properly for paint.  I would then use a good wax and grease remover, and then primer+paint.

thanks,

Chris

Some clean up pics.  

Some random pics, pulling the hubs which was an experience all I can say is get a big puller, I tried a 3 jaw 2 ton and it was scary, I went back and got a 12 ton and it wasn't exactly easy but it worked. AutoZone free tool loaners, pretty nice. The garage was a mess with all the disassembly and wire wheeling parts. I took a break and played around with this valve cover, ground off the stripes (wonder if they help with cooling? prolly not) and went for the smoothy, not bad, one spot I goofed a little after the W, its a spare. If I do another one I will be more careful and likely remove the BMW too.

Engine is off the front sub-frame and the rear parts are now all cleaned, primed and painted. The garage is was cleaned before I painted, waiting for the paint to dry to see how I did. First time with an air gun, HF $15.00 special, for not knowing any better I think it worked really well. Pics to follow.

As for the Klean Strip phosphoric acid, I think it does a good job of etching, it is a decent rust converter but it is not a miracle cure grinding, sanding etc there is no substitute for removing rust, that said it does convert rust. Using a scotch pad for surface rust seems to work best as you scrub it cleans it off and leaves whatever is left behind black.  If it has no rust to attack it will leave a white dusty film, easy to remove with a dry scotch pad or wire brush. I will continue to use it.

Next up is when the paint dries I can put the rear back together and set it aside and dig into the front.

Success!  Nothing that a little persistence cant overcome.

Chris

16 hours ago, cwlo said:

Success!  Nothing that a little persistence cant overcome.

 

Chris

 

Thanks Chris!