A B18B1 includes a whopping 127 ft/lbs of torque. A B18C1 provides a intellect blowing 128. The B1 just has a broader torque vary and an previously torque peak Click to broaden...Mar 8, 2012 #3 Also is dependent upon the Make ideas...B18B1 engine is ideal for a compelled induction setup, while I do think the B16A2 is best for the N/A set up. If you