Recent content by hnt

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    5.7 LX EFI random idling stall - electric fuel pump?

    Hello folks, Engine: 1996 5.7LX EFI 250 hp (non-vortec) S/N OF761024 I installed a replacement long block last year and have about 55 hours on it. My engine was from a transition year because it had the later 880 block but had the older (non-vortec) heads. The engine uses a throttle body...
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    Help, Cant' locate replacement fuel pressure regulator 5.7LX EFI

    1996 5.7LX EFI S/N 0F761024 I have isolated a faulty fuel pressure regulator using the diagnostic tests in Service Manual #17. The fuel pressure regulator part number is Mercruiser part # 852955 (This is a 30psi regulator) This part number is no longer available and there are none in...
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    5.7LX EFI low compression - need advice

    Hi folks, I have developed a low compression problem on #4 and #6 cylinders in my 1996 250hp Mercruiser 5.7LX EFI Bravo III. The boat is indoor rack stored and has about 650 original hours. It is raw water cooled but it spent most of its life in fresh water until I bought it and moved it to CT...
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    Beaching Question

    Re: Beaching Question This is how I do it
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    Unknown history, manifolds and risers?

    Re: Unknown history, manifolds and risers? Don, I pulled the risers as you suggested and the mating surfaces on the manifolds and risers looked very good so I cleaned them up well and put it back together with new mercruiser gaskets. I also replaced the thermostat and the impeller...
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    Buy New for First Boat - Good Idea or Not?

    Re: Buy New for First Boat - Good Idea or Not? I am not a fan of buying new. Boats are different than cars and in many cases the first year of service is full of problems. In addition, buying a first boat is a guess as far as your mission is concerned. If you buy a used boat you can likely...
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    Unknown history, manifolds and risers?

    Hi, I bought a 1996 Pursuit Denali 2460 with a M/C 5.7LX efi Bravo III with raw water cooling. The boat was purchased new in Texas and used in salt water in its early life. I bought it through a dealer in St.Louis where is was used on the Mississippi for most of its life. I now keep the boat...
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    Performance upgrades for 1996 5.7LX efi?

    I have a 1996 Pusuit 2460 Denali with a M/C 5.7LX efi Bravo III (250hp). I am wondering if there are cost effective performace upgrades for this power package.
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    Marina launched my boat w/o plug!!!!

    :mad: Okay, here?s the story. I keep my Pursuit Denali 2460 at full service marina in Southeast CT, valet rack stored outside. As part of normal operating procedure, the marina removes the drain plug when they pull the boat and replaces it at launch (this is to keep the boats from filling with...
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    Water in drive oil resevior?

    I just bought a boat with a 1996 Merc 5.7 EX and Bravo III The prebuy included removing the drive, visual inspection and draining and checking the drive fluid. All checked out but the drive oil was probably changed out when the boat was winterized in the fall. The drive was not pressure...
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