Poor Little Cone Style

They do work pretty well for street use, run plenty of them myself. The new auburn units seem to have a reputation for spider gear breakage though from what I hear. Now, the clutch style, DOES increase its clamping load as torque increases, due to the crosspins running on the ramps in the case, very good design. The cone style has a spring loaded design, so increasing torque does not cause them to grip any harder.