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Like your project. I use a Sweet Engineering R&P with C6 spindles and steering arms. Its total throw is about 6", and I get 32* of wheel turn at full lock, which is plenty. You shouldn't have any issues, assuming your C7 control arms are about the same length as the C6 - which I believe they are. You can get the Sweet rack in about any length and multiple ratios and steering feel. Sorry for the picture quality - lots of dirty work going on.