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  1. W

    Merc 4.3 v6 distributor cap and cilinder connections

    Thanks will do, ive read the forum on all the reasons it doesn't reach full WOT. So will be changing the filter even if its clean, i checked the carb fuel filter and it looks fine, so will ve doing a couple of things at a time
  2. W

    Merc 4.3 v6 distributor cap and cilinder connections

    Ive read other forums explaining how to do this for the TDC part, i will check. I assumed the original dizzy cap had the labeling correct, meaning the number on the tower meant the cylinder it should go to having both right or left handed numbers. Thanks for the heads up! And for the first time...
  3. W

    Merc 4.3 v6 distributor cap and cilinder connections

    I really am dumbfounded and will be able to try it this thursday, but right know it is connected like this the first number being the tower # the second the cylinder number going clockwise or LH. As per post #1 diagram 1 to #3 cyl 6 to #2 cyl 5 to #1 cyl 4 to #6 cyl 3 to #5 cyl 2 to #4 cyl...
  4. W

    Merc 4.3 v6 distributor cap and cilinder connections

    Thanks for the help, will change the dist cap, and will be doing maintenance on it this week, changing spark plugs, oil, impeller, filters. And compression. If not i will chime in to see what it could be. Would you suggest following this diagram to where the wires should be connected? Or is...
  5. W

    Merc 4.3 v6 distributor cap and cilinder connections

    I double checked the connections from the towers to the spark plug and thats how it connected. My diagram even has the 1 like if you where looking at the motor with port side on your right side (you looking back at the stern) , the motor doesn't sound bad at all but it does have low rpms
  6. W

    Merc 4.3 v6 distributor cap and cilinder connections

    Will change the distributor cap as per your observations:). As for the engine its LH engine, with alpha one sterndrive, rh propeller, the engine is orginal. Single engine
  7. W

    Merc 4.3 v6 distributor cap and cilinder connections

    Yes it says on the filter its a LH rotational engine. So i wow id be using the clockwise numbers by the towers right?
  8. W

    Merc 4.3 v6 distributor cap and cilinder connections

    This is how its been used for the last couple of years by the previous owner with the set up on the diagram i drew. Im thinking thats affecting low rpm on WOT. merc chevrolet vortec 4.3 v6 thunderbolt v ignition i think 2bbl carb I have attached an image of how i think it is supposed to be...
  9. W

    Merc 4.3 v6 distributor cap and cilinder connections

    Thats what i was looking at, from what i can tell its all connected wrong. My question is if the boat turns over or turns on and works could this incorrect placement cause it to get lower rpms etc. The people i have asked tell me if it where not connected correctly the boat wouldnt even start or...
  10. W

    Merc 4.3 v6 distributor cap and cilinder connections

    Hey Scott could you elaborate? This sketch that I drew is how the motor/distributor/cables would look if you were looking towards the stern with the port side on your right side while looking back. From what I have seen from other images explaining the numbers --- is number 1 cylinder would be...
  11. W

    Merc 4.3 v6 distributor cap and cilinder connections

    Hey guys, I got a used Regal 2005 boat with a MerCruiser Chevy Vortec 4.3 v6. Im checking my t's because it is only getting 3600rpms and max 33 mphs. With a three blade 19 pitch and 4 blade 17 pitch both around 14 inches. Im pretty sure i know it can get more so I've been checking things on the...
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