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Why not machining the wheels down to square and fit new rims on each one? That should at least safe half the work!You don.'t even need to heat shrink them - I would just use some loctite and glue those rims on the wheel.That is in the end even more realistic bexcause thats how wheels were made - except the fitting method. Florian
I would try turning one to the correct angle and just see what it looks like. The only bit that would give the game away would be the thickness of the tyre.Steve
You could use some DOM tubing but that may also cost as much as the solid 12L14.https://www.speedymetals.com/pc-3504-8242-2-14-od-x-375-wall-dom-steel-tube.aspxDave
Kim, if you can live with the reduced diameter of the wheels as others have calculated, that would seem the best option other than starting over. The wheels will look right at least.Bill