Collaborative early a experiment

Maybe this info will help. I have a 65 valiant/signet. Im putting a single turbo on it with reversed magnum manifolds. I will reinstall them at proper orientation to see uf they fit, but reversed they are close. The big obstacle is the steering coupler. I have a manual box. I shimmed the engine, both sides about 0.75". I think if i had a generic u-joint type coupler with a lower profile I could avoid shimmimg.