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  1. B

    No compression in one cylinder of 318 help please

    "My port engine was idling rou "My port engine was idling rough so I ran a compression test, engine is about 20 hours new so I was suprised to find zero compression in one of the cylinders. I dumped oil in the bad cylinder with no compression change. All of the other cylinders had over 120lbs...
  2. B

    318 question

    Was hoping someone could tell Was hoping someone could tell me why the vacuum pressure from the hose going from the carburetor to the pcv valve pulses on and off on one engine and is constant on the other.
  3. B

    318 rough idle dies when put in gear

    "Here are the particulars, new "Here are the particulars, new long block (20 hours), new Carter AFB carburetor, new Mallory electronic ignition and spark plug wires. Old exhaust system which I fear has caused serious problems. The boat ran fine the last couple of weeks but has recently started...
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