The Connecting Rod

The connecting rod is an intricate part of the heart of every motor. I believe that each motor can only be as good as the core parts. Rods really come into play is as soon as we push Subaru’s past 350-400whp That range can seem a little drastic, but it depends on the goals of the driver of the car as well. Do they want to make a peak power and turn it down? Or do they want to hold that power and drive their car as hard as possible every single day. As well it can depends on the rpm that the car is revving to. The design of the boxer motor is very hard on certain components, the rods being one of them. These motors are already battling gravity on the oil system. What makes it even more difficult is when the motors are revved out to high levels. For every single stroke of the motor and increase in rpm that rod and piston assembly is contracting much quicker. What ends up happening is torsional strain and twisting of the rods. Torsional strain occurs when atoms separated by three bonds are placed in an eclipsed conformation instead of the more stable staggered conformation. This can be combated and aided by increasing the width of the rod itself, which is exactly what the h-tuff rod accomplishes. I have had nothing but success in the trial and testing of these rods for the last year. In many of the motors that have utilized these rods, I have been ecstatic with the power that they have been able to push.

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