I would start with some truck wash. You can probably get it at your local truck stop but it might be a Walmart or Amazon deal too. Just do a search for truck wash aluminum cleaner and all sorts of stuff will come up. The stuff is amazing but it's got quite a laundry list of warnings on the label. T...

Those pictures and the idea of having to weld repair them made me throw up in my mouth. Closing thought: glad it's you and not me. ;) I can't believe I got the worst project as a beginner.. :"( started realizing after just cleaning em lol. But it's defiently not going to be me welding it, gonn...

Hard to advise about cleaning without knowing exactly what the “coating” is. Downside to wire wheel is you embed more junk in the cast ally that you need to clean later. A citrus-based stripper might work well? Preheat is to help purge the impurities out prior to welding. Cast is very porous so dec...

Clean them to bright shiny aluminum. Then preheat them to above 350*. Then chemically clean them with acetone. If the breaks fit back together cleanly, V grind both sides to bevel both pieces. Then weld it up. Expect a lot of crap to pour out during the first pass. Clean that, then do again. Good l...

So I attached picture of what i was told is a cast aluminum, but I dont know the type. What materials, what's the best way to prep these for weld fix? What do I use to clean this, restore it as new, any advices..? Would it be wire brushes, drill, acetone, etc? Just trying to prep it for a friend, th...