A B18B1 includes a whopping 127 ft/lbs of torque. A B18C1 incorporates a intellect blowing 128. The B1 just has a broader torque variety and an previously torque peak Click to increase...Mar eight, 2012 #3 Also depends upon the Develop plans...B18B1 engine is ideal for a forced induction setup, even though I do think the B16A2 is best to get a N/A