Aluminum slots polishing

[Redbark]

For heavily pitted or scratched aluminum:

1. wet sand 320/400/600/1000/1500/2000

2. buff with emery compound on a sisal wheel,

3. polish with tripoli compound on a loose cotton wheel,

4. finish with a hand application of your preferred polish such as autosol.

 

[Rustytruck]

Sharkhide aluminium sealer.

 

[bronconut73]

The last 3 posts are gospel.