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1988 Jeep YJ with 258c.i. 4.2 I6 with 4.0 Head. I have picked up a used Fuel Vapor Storage Canister (original one was damaged). I am running a Motorcraft 2150 carb. In the back of the carb. is a single port that goes under the carb. and dumps into the intake manifold. I know that the PCV...