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  1. #1
    Registered timucin's Avatar
    Join Date
    May 2002

    making tunnel flap advice needed

    have decided to add a tunnel flap to my 28.
    planning to use twin pistons and aluminum plates.
    need some advice and photos ;
    any experience with that do's and donts?
    what is the true effect?
    top mph gain?app.
    any detailed pictures would be perfect for reference.
    thnx in advance for your help
    Attached Images Attached Images

  2. #2
    Registered Gold Member
    My Boats:
    1979 Cigarette 28 ss
    Join Date
    Feb 2002
    Towson, MD.
    You should Give Rolf a call at Proroc marine in NJ. he build tunnel Tabs and puts them on spectre's not sure of his # but his web site is hope this helps .

  3. #3
    Registered timucin's Avatar
    Join Date
    May 2002
    Gassticks:thnx for the link

    any other info; ?!?

  4. #4
    Registered Andy Buzz's Avatar
    My Boats:
    2000 Outerlimits
    Join Date
    Mar 2001
    Tampa, FL USA
    Check with Dana Marine Products.

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