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42 big step with 6s that run over 100mph

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42 big step with 6s that run over 100mph

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Old 05-27-2020, 06:32 AM
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Default 42 big step with 6s that run over 100mph
Curious on the ones out there how the water pickups are set up? I’m having some porpoise issues accelerating after 98 mph. I have a strong feeling I’m disturbing the water off the back of the boat. Let see some pics. Thanks !!
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Old 05-27-2020, 07:07 AM
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Adrenalinejunkey’s has 4 pickups. 2 for engines 2 for chillers. Pretty standard install, either side of center line.
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Old 05-27-2020, 07:20 AM
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That’s what I have also. Just checking on location.
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Old 05-28-2020, 01:08 AM
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This is how we did them on the new Fountain with big power.

New 47 with big power.
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Old 05-28-2020, 06:24 AM
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Im identical to that. I also have 2 pickups for the chillers on either side of the drain plug. What would cause this thing to lift and break the prop bite at over 100. Spins 17x33-15 rake
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Old 05-28-2020, 06:27 AM
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What’s the propshaft height?
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Old 05-28-2020, 06:48 AM
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3” above bottom 18.5” apart
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Old 05-28-2020, 07:01 AM
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Bigger diameter wheels
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Old 05-28-2020, 07:50 AM
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The drives are to close they will contact each other
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Old 05-28-2020, 07:59 AM
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Going to have to space down. But I’d think you could go to 17.5”. If the drive are moving 1” something is loose.
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