UTG engine build "callout"

318willrun said
If you have the time, watch and see what you think....

Totally off! First of all he has the crank spinning in the wrong direction so it's all off.

It has to do with the crank pin and the rod at 90*, That's where it has the max torque.

If you move the wrist pin It changes where the crank is when the rod and crank are at 90*.

This also changes the height of the piston in the bore when the rod and crank are at 90*