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  1. #1
    Registered Enforcer2's Avatar
    My Boats:
    37 Midnight Express INC. Closed Deck QUAD 250 Mercs
    Join Date
    Nov 2004
    Ocean Pines, Maryland. Wish I was at MANGOS in MIAMI!

    Quad Outboard set up and Gear ratios

    Spoken to several different riggers on this and I am getting two different answers on how to set up drive rotation on a quad outboard v bottom.

    Most popular seems to be left -left (for port side) and right right (for starboard side).

    (Better bow lift and more control at docks.)

    Also most common gear ratios seem to be 1:75.1 but I have been noticing 1:62.1 on the Merc Speedmasters and Torque Masters.

    What's the benefit of the 1:62.1 over the 1:75.1 I heard the later is faster.

    and lastely............. I've set up bracket for 30" centers. Again I have been noticing a shift in rigging where 20"s are used for outside engines and 30" for centers.

    Any advise would be greatly appreciated.

    Thanks Tony

  2. #2
    My Boats:
    Cary 50
    Join Date
    Dec 2005
    not exactly the same but here are two different ways of doing it on a Cary. the Cary with surface drives went In Out In Out. The Cary with TRS it went IN IN Out Out. Please forgive if I got the in/out wrong. Just look at the props.
    Attached Images Attached Images

  3. #3
    My Boats:
    32 SeaCraft
    Join Date
    Jun 2004
    Freehold, NJ
    On the Gancia we used to turn in - out / out - in so each side turned into each other. We had diesels, very heavy, fixed drives in negative trim with stepped bottom????

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