[KenWittlief]

its not just the force that is being transferred to the driveshaft, its the angular acceleration as well, because it is spinning at 4 or 5,000 RPM in a 6 or 8 inch diameter circular path, with all the weight of the connecting rod and piston attached.

you tie rods should not see too much force, unless your name is Joey Chitwood

but even there, when you turn your wheels on dry pavement, with the car stationary, Ill bet there is a lot