Having the engine that far to the passenger side may limit room for headers/manifolds on the passenger side. Depending on what you plan on running for exhaust, you may want to check on that before locking everything in.
Is the 3 degrees measured with the car level on stands? How did you determine level? TTI claims the measurement from the center of the crankshaft to the top of the K-member should be 4-3/4". Mine ended up about 5-1/2".