Since I got my A/C up and running awhile back, I haven't liked the engine temps on super hot (~100*F) days. The A/C works fine, but the engine temps start to creep up while it's on, especially in traffic. Never all the way to the red zone, but close. I read THIS article on Marcus's (Gojeep) web site about the use of restrictors in the system to stabilize engine temperatures. Since his XJ cooling system is similar to mine (Hesco high flow water pump with twin electric fans) I thought I'd give it