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    Starboard Manifold hotter than Port side, brand new manifolds and risers

    Recently had a hydrolocked 4.3L Merc (600 hours) due to 1 piece manifolds. (see previous posts) changed to a 2 piece set (thank you iboats) After change, Boat had a LOT of steam coming from exhaust and the starboard side manifold was extremely hot, the port side was just hot. (Engine Temp gauge...
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    Just need an someone smarter than me....

    Good Day Everyone, Some of you may be reading and see my name and go... Man, he still doesn't have that thing fixed yet? To start with, here's my previous thread...
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    Water in top of 4.3 mercruiser - hydrolocked once - pictures!

    Ok everyone I'm scratching my head big time. I'm going to attempt to explain my issues that I've been working through over the past few months. I have pictures to help explain. A previous thread is here...
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    Hydrolocked 4.3L, Exhaust Manifold's, intake or both??

    Good afternoon all, I have a 1998 4.3L Merc with Alpha One. Boat has been in freshwater 95% of it's life with the occasional strole in the waterway. Afterwards flushing out is always a must. I bought it third hand in 2005 (march) and have not had any major issues and have done most all the...
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    Digital speedometer keeps resetting when using trim or other electronics, shorting ou

    Hi all, I have a 1998 4.3L Merc with alpha one outdrive. I have on my boat a Perfect Pass System (Digital Speedometer) which controls the speed for Wakeboarding and such..., Recently, when I use the Trim, up or down, my speedo will kick out and reset until I let go of the trim button, then it...
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    HELP! Wont trim down fully, alpha I, merc 4.6

    Hi all, I have a 1998 Chaparral 1830 SS 4.3 Merc w/ alpha one Yesterday I was enjoying a nice river ride on the Northeast Cape Fear for the 4th, Crusing along at about 18-22mph We slid up on a sand bar... it wasnt a quick jerky stop but it was abrupt, not hard enough to really move anyone out...
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