I would be so lost without a TIG welder, lathe, and mill at my disposal. Luckily I have them at my day job (welding instructor at technical college), my own fabrication shop, and even on a small scale at home. The hub is steel, and I simply built it up with mild steel. There should be no wearing going on here, and the hub was not noticeably hardened in the first place. Also, the welded area should not affect the part as far as wheel loading, so shouldn't be any safety concerns. I definitely don't recommend welding on suspension parts for everyone!

I'm really impressed with this car from a mechanic/engineer standpoint! It's such an easy car to work on! I was an engineer with a small sportscar manufacturer for 12 years and have a pretty good concept of quality as far as design and implementation. These cars lend themselves well to being worked on!