OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Engines Questions On Victa Two Stroke Engines Polishing 3F Alloy Carbs

Hi Everyone,
I'm currently working on getting my 18 special back to original shape. I've been a bit all over the place in terms of getting it done just doing whatever I feel like. I gave a go at polishing the float bowl this morning with silvo and a dremel polish. It worked pretty good and gave it a nice shine. The polished bit does have a bit of roughness / bumps still. I take it thats normal? Also, does anybody have any tips for polishing these, also in tight nooks of the carb body? Attached is a photo of how the silvo came up.

Cheers Xav

You could use some of this https://www.bunnings.com.au/chemtech-1l-blitz-aluminium-cleaner_p0966620

Thanks Mate, I did have a look and it said not suitable for polished surfaces. I gave the silvo a solid go and it's going well.

I'd use something like Autosol or Mother's Mag & Aluminum Polish. The Autosol is bit thicker and easier to work with being a toothpaste-style tube, of which I just use the regular version, but there is one for aluminum as well.

Mothers -
https://www.repco.com.au/car-care-p...-aluminium-polish-140g-655100/p/A9432579

Regular -
https://www.repco.com.au/car-care-p...sol-metal-polish-75ml-art1000/p/A4345053


Specific for aluminum -
https://www.repco.com.au/car-care-p...ol-aluminium-polish-75ml-1824/p/A9707087

You can use this with your Dremel, but a toothbrush and cue-tips come in handy as well. I'd probably go over it with a wire brush first to level the surfaces down, then progress to polishing.

I use this method on mufflers as well, in this case with the Mothers and a polishing cone attachment.