I'm doing the re-build with a set of Caterham 8-spokes.

The set I have are structurally fine, but have a few gouges in the rim... what's the best material for filling / shaping these gouges with prior to sand-bast and powdercoat?

you know what I did with some rather scuffed alloys I bought?

Fitted them one at a time to the car and left it running with that wheel jacked up and in 2nd gear, then took the grinder and a flapper wheel to the rim (gently)

Got in a few minutes a totally superb finish ready for painting

If you want to fill a deep mark, just use that metal two part putty then finish with the grinder.

[Edited on 17/12/09 by Mr Whippy]

Had a small ding in one of my wheels ally welded then filed back to shape then a tiny bit of filler in a couple of pinholes then filler primer and 2k now they look better than new

"JB Weld" is your answer, two part epoxy liquid metal. Fill the deep gauges, and then treat as per "Mr Whippy" has sugested. HTH Ray

Cheers chaps!