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If you have a carter thermoquad carb you may poss have a sticking choke. it is not an electric on most of the 440 dodge's, there is a rod that sticks out of the pass side intake manifold which attatches to the carb. this is attatched inside the manifold to a bi-metal spring that uses egr (exhaust gas recirculation) heat to warm the spring thus pushing the rod up. inspect this, its prob stuck causing your engine to run rich.
I by-passed mine with a universal manual choke kit.
If you have by-passed the heat riser valve on the pass side exhaust manifold you will also have this problem.
another thing to check is the exhaust heat riser valve located between the pass side ehaust manifold and the exhaust pipe. they are prone to sticking open and sometimes closed. youshould be able to turn the linkage by hand.
good luck |
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