Is anyone using Sky Dynamics High Ratio Rocker Arms on their parallel valve O-360?
http://www.skydynamics.com/HLDRRA.htm
It looks like an easy way to get another 5% out of the engine, but I wonder about valve guide wear.
http://www.skydynamics.com/HLDRRA.htm
It looks like an easy way to get another 5% out of the engine, but I wonder about valve guide wear.