TwinTurbo.NET: Nissan 300ZX forum - Re: sounds like a response from someone who doesn't fully
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Subject Re: sounds like a response from someone who doesn't fully
     
Posted by Greg D. (Specialty-Z) on October 21, 2005 at 5:03 PM
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In Reply To sounds like a response from someone who doesn't fully posted by maglito on October 21, 2005 at 12:14 PM
     
Message I believe they knew what they were talking about fully.
The simple reason I believe they cut the top part of the map off is because they realized the turbo was spinning too fast at that level and it was not safe for the turbo due to the turbo shaft speeds at that level.
Garrett is not going to accidentally release a revised map :)
They probably had failures from overspinning and decided it was prudent to release a revised map.

Look at the size turbo it really takes to have it truly make a comfortable pressure ratio of 3.

[ http://www.turbobygarrett.com/turbobygarrett/catelog/Turbochargers/GT28/GT2876R_705330_2.htm ]

     
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