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Sanding a lower unit for speed

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Sanding a lower unit for speed

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Old 10-11-2012 | 02:37 PM
  #31  
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Hi,

Thats the common way to do it on single outboard boats running jackplates. Merc even has a lower unit called Torquemaster with a built in torque tamer.

Cheers Toffen
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Old 02-01-2013 | 04:46 PM
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Anyone else "blueprint" lowers themselves, and how did it work? Obviously WCM does a great job.

Also can anyone elaborate on sanding the bottom of the hull? My hull is already blueprinted but curious about sanding for speed.
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Old 02-01-2013 | 04:47 PM
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Anyone else "blueprint" lowers themselves, and how did it work? Obviously WCM does a great job.

Also can anyone elaborate on sanding the bottom of the hull? My hull is already blueprinted but curious about sanding for speed.

Has this "golf ball" like film been released?
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Old 02-01-2013 | 05:00 PM
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Honestly, I'm trying to understand why Mercury Racing wouldn't blueprint from the factory given the clear performance gains. It's not like this process couldn't be automated and included on these costly packages.

I purchased new 700/6 drive's in 2011 and would have gladly paid a few extra $. If they can get $2,500 out of changing the engine color (and they do) think of the margin in blueprinting.....
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Old 02-01-2013 | 05:25 PM
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We gave ours to WCM and here was the results. The best guys out there to do lowers!
http://www.proboat.com/blueprint-for-speed.html
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Old 02-01-2013 | 05:31 PM
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Originally Posted by boating37
We gave ours to WCM and here was the results. The best guys out there to do lowers!
http://www.proboat.com/blueprint-for-speed.html
This is just awesome!
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Old 02-01-2013 | 05:34 PM
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They are getting the lowers on the new boat, to see what they can do with a cat.
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Old 02-01-2013 | 06:18 PM
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I have brovo x drives for now in the mitts of motor work so new lowers arnt in the game plan. but i do have to sand and paint the drives to clean them up the boat sat in the water last year with buying the new boat a lift was not going to happen so thay need to be repanted. would it be worth it to take the lowers all the way down and leave um? i do like that look better.
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Old 02-01-2013 | 06:29 PM
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I can be wrong but I don't think by just sanding your lowers,that it will make your boat faster. It's more involved then that. I'm sure WCM can chime in and explain.
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Old 02-01-2013 | 06:50 PM
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im not looking to pic up the speed it would be nice but not exspecting it. i was just wondering if it would have the same kinda look dont know if it is the same kinda casting or if it is different becouse thay paint them.
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