Have not actually driven the car yet. Still under construction. However, the front suspension is all C-5 Corvette with a quick ratio power rack (2.5 turns lock to lock). My front rims are a bit wider than a Corvettes (~1.5"), but I fully expect the turning radius to be the same as a Corvette given that Im using those suspension pieces. Turning radius is affected by several things, (steering arm length, pitman arm length, max steering box swing, etc) but rim width isnt one of them (at least as I understand it).
In an earlier version of this car, I had tall B-body spindles on the factory frame and A-arms, with the QA-1 coilover setup with 10" wide rims. The B-body spindles had longer steering arms on them, and that did noticeably reduce my turning radius.
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