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  1. M

    I'm 7.4 L shopping Help

    I have to replace a 1988 7.4 liter, and I've got the contact info for a guy that's supposed to have a recently rebuilt one for $1700 asking price. I have no idea what application it was built for, so how do I know if the cam is OK?
  2. M

    Which MCM 7.4 liters are OK??

    I gotta look into a replacement for a busted block. It's on a 1988 7 meter Velota from Webbcraft, the engine is a carbed 7.4L, Bravo 1, serial number tag not readable, block casting number HO13445. I think the serial number falls within the range of B771113 to D6031174, spanning model years '88...
  3. M

    Is this a gearlube monitor?

    Stepson's 1988 Merc - I don't see pics that look like this in the manual, but it looks like a duck, quacks like a duck therefore, I think it's a gearlube monitor. It makes me nervous that I don't see any lube in there. At the moment, I'm focused on other problems with that boat, but at some...
  4. M

    Can't get the chocolate mousse out!!??

    Pretty exasperated. This watery oil bilge in my 1988 MCM 7.4 L's oil pan is giving me fits. I've tried a plunger pump and two of those little drill driven rotary pumps. Nothing comes out, and the dipstick shows full. I want to spew profanity. I would not have thought a simple oil change would be...
  5. M

    Uh-Oh... Chocolate mousse for oil.........

    My stepson's 1988 mcm 7.4 liter, (ser# H013445), LH, marine Stainless manifolds and risers, raw water cooled, early Bravo 1, (ser# OB804538). This thing is in Maine, mostly in the brackish rivers. He went out into the open saltwater last season, it overheated, so he went to the nearest ramp...
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