B18c7 white smoke under full throttle

[RenzokukenJ]

I do not understand the maths, I'm just going by what I've read and been told.

But apparently this is the link.
http://4piston.com/crankshafts/crankshaftsB.html

The biggest crank size there you will only get around 2.3-2.4l

Not 2.7