Problem with 225 in my New Truck

slantsixdan said

Check for a clogged PCV port at the base of the carburetor and on the intake manifold's carburetor mounting pad. And make sure the PCV hose isn't holed or cracked. Also make sure the PCV valve is the correct one; see here for a story about that.

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The first item SSD lists above is very probable and is very common: a clogged PCV port at the base of the carb. If you are not getting much suction on the PCV, there is something plugging the PCV circuit; it ought to suck your finger tip hard onto the base of the PCV valve when idling. Dig into the carb PCV port and I bet this will be an easy fix. Nice looking truck!