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Running Imco -1 or -2 on sutphen 31

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Running Imco -1 or -2 on sutphen 31

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Old 10-19-2014, 09:43 PM
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Default Running Imco -1 or -2 on sutphen 31

Has anyone ran shorty imcos or extension boxes on there boats. Worth the money or should I run stock xr's on my swap

Thanks
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Old 10-26-2014, 08:10 PM
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depends on where your prop shaft is now.
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Old 10-27-2014, 09:05 PM
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Yes I have not measured X yet boat is stock just fishing for knowledge or set up ideas for the boat.
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Old 11-18-2014, 12:03 AM
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Well I'm looking at about 5 inches below the bottom of the boat. How will the 31 handle with less drive in the water
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Old 11-18-2014, 08:41 AM
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Originally Posted by finishline
Well I'm looking at about 5 inches below the bottom of the boat. How will the 31 handle with less drive in the water
mine and a few others I've done,handle great.very stable at speed.its all in how straight you get your setup on the back of the boat.
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Old 11-18-2014, 08:44 AM
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Im just thinking about -2 drives to get a little stronger drive and a little higher x demention
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Old 11-26-2014, 05:06 PM
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Damn you message me 3 times your pm box is FULL
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Old 11-26-2014, 07:32 PM
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Yeah it fills fast. I'm only allowed 10 messaged
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Old 01-24-2015, 12:05 PM
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Real measurements. crankshaft centerline to bottom of standard bravo drive are showing 6.3/4 inches below bottom with my -2 drives ill be 4 3/4 below my plan is to run a standard height extension box which would bring it back to the original 6 3/4. my question is should I go up more due to drive being in clean water rolling back up or is 6 3/4 a decent measurement for that hull. ive never played with drive heights much but everything is coming of the transom so this might be my chance. looking for some in put and measurements from guys that have these boats not so much theory

Thanks guys
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Old 01-24-2015, 09:46 PM
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You should just set it up like my boat,shawnh's boat and letterip's.all our boats run the long input shaft and all our prop shafts are about even or just a half inch down from the bottom of the boat.
With boxes you run the drives up higher because of the water flow rising more from being set back.
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