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    Changing batteries in parallel??

    I have a bank of 4 Dual Purpose Marine batteries on my boat, each pair connected in parallel. If I want to replace them, do I disconnect the negative on BOTH batteries in parallel, BEFORE i disconnect the positives? Or do I completely disconnect one battery (negative then positive), before I...
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    Long or Short Oil filter???

    Mercruiser 5.7L 350 Mag engines. If space, overhead room, etc is not an issue...Does it make a difference if I use the short or longer oil filter? Both will fit fine. Any advantage over one or the other? Thanks.
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    Bravo III - why both seacock and sterndrive water pickup?

    Re: Bravo III - why both seacock and sterndrive water pickup? Pete - The boat is a 2006 300 Searay Sundancer. Picture of the starboard side floor of engine compartment is below. The top strainer/seacock is for the Kohler generator. The one in the middle is for the AC/Heater unit. The bottom...
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    Bravo III - why both seacock and sterndrive water pickup?

    PLEASE HELP ME UNDERSTAND! I am just getting very familiar with my Mercruiser I/O 5.7L Horizon engines. I have two seacocks/strainers for seawater intake (one for each engine), and obviously the dual-water pickups on the lower units. I am learning that not many other engines besides the Bravo...
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