When comparing The 2 engines, it is clear the B16A2 engine is the more potent of the two. The B16A2 engine produces 35 additional horsepower and four lb?ft more torque as opposed to B16A1 engine.They are so brilliant. They operate with me and stroll me by step-by-step to be able to receive a engine. I was not aware about what i was accomplishing. T