A B18B1 incorporates a whopping 127 ft/lbs of torque. A B18C1 includes a intellect blowing 128. The B1 just provides a broader torque range and an before torque peak Click to expand...Mar 8, 2012 #3 Also depends on the build strategies...B18B1 engine is ideal for a forced induction set up, whilst I believe the B16A2 is best for just a N/A setup. If