Secure a decent fabricator beforehand. My M111 2.3 turbo project was canned after waiting a year for a turbo manifold. Read anyone's build threads in the performance paddock, and that's the single most crucial issue on actually getting the thing done. And if you want a "shell" with manual windows, custom d-shaft, 3.69 final drive 1992 300CE, lemme know. It's in Bakersfield.