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K Plane and Extensions Box?

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Old 08-07-2011, 07:11 AM
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Default K Plane and Extensions Box?

Why do the install the K-Planes level as apposed to the angle of the haul when extensions box's are on the outdrives (XR's)...I've noticed this this weekend on a Formula 353 2008 and was wondering whats up?
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Old 08-08-2011, 06:26 PM
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It isn't because of the extension boxes, I have boxes on the 382 and the tabs follow the hull. All original factory setup. I have seen them both ways and I have never gotton a good explanation for the level tabs.
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Old 08-09-2011, 02:54 PM
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Yeh, I cant see a reason why there that way you read the instillation manual on them and it says nothing about level i've seen it a few time now...just don't seem right
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Old 08-09-2011, 07:19 PM
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They are less drag when they are that way.
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Old 08-12-2011, 10:38 AM
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Got this answer on another Forum makes sense....


Makes a more level entry when coming back down in the water after a jump/launch out of the water. This trend started in the 06 model production as best I can tell. I have been shopping Fastech's for a while and 05 and earlier have the angle mounted planes and 06 and later have them horizontal/flat.
Some other boat lines have done this too. Some say better some say it makes no difference.
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