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making tunnel flap advice needed

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Old 04-06-2003, 03:02 PM
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Default 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
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Old 04-06-2003, 05:23 PM
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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 ProrocMarine.com hope this helps .
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Old 04-06-2003, 09:17 PM
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Gassticks:thnx for the link


any other info; ?!?
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Old 04-07-2003, 11:03 PM
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Check with Dana Marine Products.
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