Originally Posted by jasonwipf

Castle techs told me in a phone call once not to go above about 180 because 1. the resins used to hold things together inside the motor start to brake down between 220-230deg. 2. What you temp on the outside of the can can be up to 50deg hotter in the core. Hence keeping it below 180 ensures you are running it cooler than those resins can melt and fail.