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Old 02-09-2009, 08:10 AM   #1
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Default os 12tz specII vs. os 12tz specII AL

Can anyone tell me the difference between these 2 motors? Searched past threads and came up with nothing. Specs look the same for both motors, what am I missing. I know these have been replaced b the new 12zx, but they can be found pretty cheap, I don't really care about the latest motor on the market! What pipe are you guys using with this motor?
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Old 02-09-2009, 08:52 AM   #2
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the AL one is with aliminium head. the other one is with magnesium.
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Old 02-09-2009, 09:09 AM   #3
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The magnezium head is lighter which will lower the center of gravity. But magnezium does NOT tranfer heat as well as alluminum. I would go with the Alluminum version.
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Old 02-09-2009, 09:37 AM   #4
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Quote:
Originally Posted by lil-bump View Post
The magnezium head is lighter which will lower the center of gravity. But magnezium DOESNT tranfer heat as well as alluminum. I would go with the Alluminum version.
I guess you wanted to say as above
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Old 02-09-2009, 09:40 AM   #5
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Looks like i'll be going with the AL, what pipe???
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Old 02-09-2009, 09:49 AM   #6
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Quote:
Originally Posted by musti72 View Post
I guess you wanted to say as above
Thanks for the correction


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Old 02-09-2009, 12:04 PM   #7
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Quote:
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Looks like i'll be going with the AL, what pipe???
Yea !!! AL version is the one you should get. For the pipe O.S. T-1050.
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Old 02-28-2009, 02:54 PM   #8
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Are both of these motors IFMAR and ROAR legal?
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Old 05-05-2009, 09:32 AM   #9
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both legal. what pipe is better other than the os t1050?
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