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Originally Posted by 68commando
The die grinder sounds like a good idea, but is a bit expensive for what little I have to do, but it may come to that with the curves. I am a bit fearful of gouging the cases with the small round cartriges, but I may try a few, I do have a lot of inside curves. Maybe I can get some cartriges I can use with a hand drill.
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Sure, get the right mandrel and use it with a drill - might be a little slower but it'll work. Find a piece of scrap metal to practice on. The trick is to concentrate on keeping it moving across the piece or you will have hundreds of tiny gouges. Think before you touch any given area...where will you start the stroke and where will you end it? Always try to begin and end in the inside corners - then, when you have the wide area done you can clean up the corners and take out all the "stoppies". But that said, do the wide areas with the sander wherever you can. BTW, you'll likely find a lot of pores in the metal - the more you sand the more you'll see so don't get too carried away.
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Originally Posted by 68commando
The only aluminum polishing I have to do is the timing cover(s), gearbox cover, Z plates, primary case cover, lower fork sliders, rear wheel cover, and front wheel housing. The rest is painted or chrome.
Below is what the timing cover looked like to start with and now, at least now it has a shine to it.
Much thanks guys,
Dave
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What, not doing the engine cases, LOL? MY brother in law has a '72 w/Combat enigine setting in pieces in his basment for the last 20 years. I polished some of it but there it sits - he's a slug. I keep threatening to build a chopper out of it but he's content to let it set there. Oh well. Have fun.