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    Mercruiser Manifolds - Fit Question

    My boat- 1989 Sea Ray Pachanga 27 - Twin Mercruiser 350 Magnums - Question - I bought two sets of used Mercruiser manifolds and elbows to replace my manifolds and risers which were very corroded. The manifolds came off a 1993 boat that was said to be Mercruiser 350s but when I looked up the...
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    Prop selection - Twin Sterndrives

    Boat is a 1989 Sea Ray Pachanga 27 - Twin 350 Mags - Alpha Outdrives. Quicksilver Mirage SS props on both outdrives Two months ago I hit a submerged piece of angle iron at the slip with the port outdrive. Port prop was damaged - I had this prop rebuilt by a reputable local company. The...
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    Mercruiser 3.0 will not idle after cranking

    Engine is a 2005 Mercruiser 3.0 Engine S/N is OW350193 Has an Alpha1 outdrive... The boat and motor has approximately 30 hours on it since new in 2005. I have searched the forum for a similar situation but have not found any to be what I need to know. Boat is a small runabout - and I can't...
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    Question on correct temperature for carb'ed Mercruiser 5.7

    Looking through some post I read an interesting note - " If your MPI engines do not reach a minimum of 160 they will always run rich." That being noted - for a 1989 Mercruiser 350 Mag engine that is carb'ed - what is the temperature that it needs to be at for an optimal mixture? - not rich...
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    GM HT383 Repower

    In a separate thread - it was mentioned the GM HT383 as a repower option for the Mercruiser 350. My question - that 383 - rated at 340 HP at 4500 RPM - I would believe that is the HP at the crank rating - would there be enough HP loss that by the time it got to an Alpha drive - would the...
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    Shifter / Neutral / Start issue

    Boat is a 1989 Sea Ray Pachanga 27 with twin 5.7 Mercruisers (carbed - not FI) with Alpha drives. I do not have the S/Ns handy. However - my issue is this - The boat has separate throttle and shift levers. The port motor has developed a annoying habit. Well.. not actually the motor. The...
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    Preventing sinking at dock

    Ok... dumb question - maybe really more like I am paranoid.. Boat is a 1989 Sea Ray 27 ft Pachanga. Twin 5.7 Mercruisers, Alpha outdrives. Typical weight - about 6500lbs full of gas, gear, etc. Overall condition pretty good. All bilge pumps correctly. In a few weeks I am going to be...
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    Heating engine/bilge compartment area

    Other than it may be overkill - is there any downside to heating the engine bilge/compartment of a boat during the winter if it is stored outside and the engines have been properly winterized ? (in my case - by an anuthorized Mercruiser shop). I have noticed that there is a heater available for...
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    Replacing Impeller on 1989 Alpha1 outdrive - question

    I am planning to replace the impeller myself this time around - I have Don S's sticky note on replacing the impeller - read it through several times - however - why do I keep thinking I am supposed to make sure the gear selector is in forward all the way before I start disassembling the lower...
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    Adding an additional battery.......

    I have a 1989 Sea Ray Pachanga 27 with twin 5.7 Mag Mercruisers ? each motor having its own battery. I have two extra known good marine batteries that I would like to ?add? to the current two batteries- as in add a battery to each motor so that each motor has two batteries. The current...
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    Grounded the props - best way to repair and check for other damage?

    Basic info - 1989 Sea Ray - Twin 5.7 Mercruisers -Alpha 1 outdrives - Quicksilver stainless steel props - Problem - Crossed a submerged sand bar - saw it at the very last minute - was at idle speed at the moment when I crossed it - props dug in - didn't get to neutral - the boat has separate...
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    Twin Mercruisers -electrical/ignition/battery systems - are they completely separate?

    The boat is a 1989 Sea Ray Pachanga with twin Mercruisers - 350ci with alpha outdrives. It has two batteries - one on each side of the engine compartment - one battery - for each motor. Each battery has it own On-Off switch under the rear seats. And I write this I am realizing I am probably...
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    Questions on Sea Ray Pachanga water lift mufflers

    I just recently purchased a 1989 Sea Ray Pachanga 27 with twin Mercruiser 350s - and I have several questions on the Vernatone water lift mufflers that it has. While I am familar with Sea Rays overall - having owned several over the years - I am not familair with these mufflers. I need education...
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    Sea Ray Pachanga water lift mufflers

    I just recently purchased a 1989 Sea Ray Pachanga 27 with twin Mercruiser 350s - and I have several questions on the Vernatone water lift mufflers that it has. While I am familar with Sea Rays overall - having owned several over the years - I am not familair with these mufflers. I need...
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