3.23 with a 408 is similar torque to the ground to a 3.55 geared 360, basically a 408 allows you to run one gear step higher than you would with a similar 360.
or about two steps with a 340, does it pull as hard as your 340 with 3.73 gears?
sorry, not true. There is basically no difference between a 3.23 and 3.55 gear. Very little. Barely noticable
There is a big difference between a 3.58 and 4inch stroker crank. Real big. Very noticable