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Any benefit of extension box on Y2K?

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Any benefit of extension box on Y2K?

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Old 12-27-2009, 12:08 PM
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Default Any benefit of extension box on Y2K?

Speed, handling, lift, good, bad, indifferent?

Thanks
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Old 12-28-2009, 05:27 PM
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Kendal I have the ITS and I dont think it does help any with the deep V and the already long length for a single running at my speed at 80... No issues handling
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Old 12-28-2009, 06:33 PM
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I'm just puzzled that with 775 hp I'm only going 84.5. I did do 90 once, but since that one time I can't break 84.5. Maybe the motor is missing somwhere. I wished for a 28 skater with O/B for christmass but didn't get it!
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Old 12-28-2009, 06:47 PM
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Kendal, that speed does not sound right for 775hp! I think you need a nice 35 Motion!!
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Old 12-28-2009, 07:08 PM
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Originally Posted by fountain40icbm
Kendal, that speed does not sound right for 775hp! I think you need a nice 35 Motion!!
It would be a priveledge to own that boat, but out of my range.

Plus, 30' is my limit.
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Old 12-29-2009, 10:35 AM
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Originally Posted by SUPERSTITIOUS
Kendal I have the ITS and I dont think it does help any with the deep V and the already long length for a single running at my speed at 80... No issues handling
That box has 12" of setback? Also, what kind of lift are you running with it? (looks to be adjustable on thier website)

I'm just wondering how it compares to the imco unit with 3" lift...
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Old 12-29-2009, 08:27 PM
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ITS isnt adjustable The center of the lower unit is 1 1/2 " below the bottom on my setup. I tried a 1" spacer a while back but liked it better without.
Kendall
Temp and humidity and water cond. play a huge role in how my boat performs. I've had many different results on different days...
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Old 12-29-2009, 08:41 PM
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Originally Posted by SUPERSTITIOUS
ITS isnt adjustable The center of the lower unit is 1 1/2 " below the bottom on my setup. I tried a 1" spacer a while back but liked it better without.
Kendall
Temp and humidity and water cond. play a huge role in how my boat performs. I've had many different results on different days...
And I Am Sure It Would Run Better With A 2 Inch Shorty On There
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Old 12-30-2009, 04:58 AM
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I was going to suggest the same thing. Gary, Remember during the photo shoot, the Activator you were running against had a 2" Imco shorty on it.
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Old 12-30-2009, 09:16 AM
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I believe the JCap did the most testing of anyone on the Y2K.
The extension box did not help and neither did a shorter drive.
I believe that on the first generation Y2K hull, the factory set prop shaft height of 3-1/2" below with no extension is about as good as it gets. JCap did run with a 1 or 1-1/2" spacer for racing but went back to the stock length for reliability reasons.

The Zuperboat is the only 30' Super that we've talked about here that ran well with an extension box. The boat is vary light and has the tempest deck. I'm sure Mike is happy to tells his stories again.
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