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    5.0L EFI Question

    If no spark with spark gap tester follow this troubleshooting tree.
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    Optimax wire connector

    Ser 1B364547 90HP opti. I need the connector that plugs into the ignition coil and can't locate it on the EPC. I'll be in Hayward for optimax class with Jim Fry on Mon so can ask him then. Anyone know where merc hides the part number or have a source? Thanks, James
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    2005 Tige with 6.0l What is the fuel pressure at the rail supposed to be?

    One of the people who store their boat out here has a 2005 Tige with 6.0L that runs rough at idle and surges when at speed. I'm seeing 65psi at the fuel rail and this is more than I'm used to on most of the stern drive boats I work on. What is the spec for fuel pressure at the rail? Thanks, James
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    Does SDE make......

    ..... an upper that will go on a lower for a 1974ish pre alpha 140 4banger? James
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    Do we really need to change the oil?

    Had customers just poor a quart of 2 stroke oil in the v-8 (omc cobra) then after pooring it in ask if it was the right stuff. Kids in the boat didn't really seem to think the oil needs to be changed after the price of an oil change came up. "But it's only one quart out of 5" they say "Do we...
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    Marine Air Vector High Eff. Series, Freon Filling?

    After finding a leaking schrader valve on a Marine Air Vector High Efficiency AC unit we need to re-fill the freon. How much should it take and what low side pressure should we see. Thanks in advance, James
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