Super Cold Start- Big Block Dodge
15 degrees Fahrenheit. 1965 Dodge Monaco. 1973 unmolested 440 Big Block. Carter thermoquad carburetor. Stock pre-70’s point style distributor. Hear the metallic clank of the heat riser valve! It gets warmer and flips more open when the engine gets revved a bit. The heat riser sends some exhaust under the carburetor to warm it up faster. - just in case you was interested. ;)
