72 Dart Swinger 3.6L Pentastar +T5

There wasn't any indications of a "limp mode" on the engine stand.

Chrysler's don't have much of any "limp modes" like mechanism for their engines. Most every sort of limp mode involves automatic transmissions. Your auto trans is going to need an accurate MPH input which will come from ABS module via a couple ABS sensors and a tone wheel somewhere

I think my engine is mounted ~5° off horizontal toward the rear. I just made sure the Oil pan and pickup agreed with the final position. Ultimately that's whats really going to care the most.