I have a restored 74 Challenger with 440/6, the engine was rebuilt due to a cam bearing issue. The engine is a mild build, 10 to 1 compression, 3"TTI headers, 3" exhaust, aluminum heads, mild cam, new radiator(4 row, 26 inch), 727 3 speed auto, MSD ignition box, 3:23 ratio. The engine runs great, starts right up every time however when in city driving it runs warm, warmer than I'd like to see on the temp gauge. It also seems to run rich to me (slight smell of gas when idling). If the center carb is set to rich will this cause the engine to run hotter? If so, can I make small adjustments to the carb to lean it out? What screw do I turn, which direction? I'm no carb expert so any pointers and pictures would be great. The car is currently in storage as I work overseas but I want to have information available for when I get home so I can make the correct adjustments. Thanks for the help.