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How to identify 99 spec twins

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Old Feb 19, 2008 | 10:33 PM
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How to identify 99 spec twins

Are there any physical differences that can be easily noticed?

Thanks,

Jamie
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Old Feb 19, 2008 | 10:39 PM
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From: warfield
by the impeller there is a black strip or bearing or something inside on the 99 spec models.. plus i know there 4 digit numbers are different than the older ones.. but i dont know it off the top of my head.
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Old Feb 19, 2008 | 11:24 PM
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Thanks. Anyone else have some tips?
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Old Feb 20, 2008 | 12:41 PM
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^^
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Old Feb 20, 2008 | 01:18 PM
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Searched And Came Up With...

Jamie,

I searched and saw a few threads with some info on this. Check out the ones with Dale Clark's input.
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Old Feb 20, 2008 | 01:51 PM
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I did a search before I posted and couldn't find anything. I try it again with Dale Clarks name.
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Old Feb 20, 2008 | 02:08 PM
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Got it!
N3A1=stock
N3G1=99 spec

Thanks for the help on locating the info!
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Old Feb 20, 2008 | 03:55 PM
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You can add N3C1 to being 99 spec, if you want to use that terminology....minus abradeable insert.
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Old Feb 20, 2008 | 05:18 PM
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Originally Posted by billyboy
You can add N3C1 to being 99 spec, if you want to use that terminology....minus abradeable insert.
What is the difference between N3C1 turbos and N3G1 turbos?
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