Well, I had threatened to do it so I did.

I made an adapter to fit two servos, one for each front wheel, to my CRC Xti 1/12 car over the weekend.

Image 1, top down

Image 2, steering

Image 3, angle

As for how it runs, I have no idea, but I hope to find out next weekend. The two servos are run on separate channels but the mixing was actually pretty straight forward, the only chore i see is that steering trim may require 2 adjustments instead of just one.

Imgur for full gallery, including a few pics of my foam touring car. Imgur made them out of order.