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makomark

makomark

Silver Medal Contributor From Maryland - USA
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Viewing forum Mercruiser Sterndrive Forum
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    • makomark
      makomark replied to the thread Replacing coolant - Can't open bleed valve.
      as long as the fill neck on the HX is the highest point in the system, then yes, the air will eventually make it to the HX... you can...
    • makomark
      makomark replied to the thread Replacing coolant - Can't open bleed valve.
      I'd suggest filling the HX, running the engine until the T-stat opens and then shutting it off...and then cool until the T-stat...
    • makomark
      makomark replied to the thread no start after rebuild (x2).
      sounds like you have pulled the heads already - what did you find?
    • makomark
      makomark replied to the thread 1968 omc 120hp dual carbs.
      The MERCARBs are younger cousins to the Rochester 2G's...the smallest 2G will flow ~ 275CFM so that would the preferred configuration...
    • makomark
      makomark replied to the thread Gauge HELP.
      Never dealt with that brand; the OEM should have installation details readily available. that said, its common to use one mold for the...
    • makomark
      makomark replied to the thread Gauge HELP.
      ok...what's the question(s)???
    • makomark
      makomark replied to the thread no start after rebuild (x2).
      Probably be a good idea to identify what engines you have...assumptions can lead to disastrous results... The improvement after adding...
    • makomark
      makomark replied to the thread no start after rebuild (x2).
      On the engine w/ 150PSI of compression, if it has plenty of spark and fuel in the carb, I'd start by making sure the fuel is good...no...
    • makomark
      makomark replied to the thread Crusader 454 xli no fuel pump power - looking for some diagnostic help.
      its a SPDT switch...the common terminal feeds the fuel pump, the red/yel supplies current to the fuel pump when cranking(N.C. terminal)...
    • makomark
      makomark replied to the thread Mysterious Milky Oil - Not Risers....
      towards the end of the first video, it looks pretty clear that the water is flowing out of the head just behind the valve guide...that...
    • makomark
      makomark replied to the thread Alpha One Lower Unit.
      the casting breaks as it isn't thick enough to handle the load the 'fin' puts on it when the boat is moving...
    • makomark
      makomark replied to the thread Transom Rebuild Question..
      Judging by the generous bead of silicone around the transom housing, I'd say there has been an ongoing leak for a while. It is hard to...
    • makomark
      makomark replied to the thread How to edit post? Or even contact admins?.
      you get about five minutes once you hit the POST button and then its locked... If its a major foobar, you can ask one of the admins to...
    • makomark
      makomark replied to the thread Om636 does not start.
      sounds like it is slow cranking over...I'd be inclined to start with a good cleaning of the battery cables and a load test on the...
    • makomark
      makomark replied to the thread Crusader 454 tune up.
      for the fuel line, a Sierra 18-8114 or 18-8115 depending on the length you need. The factory steel line is fine but can be a PITA. The...
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