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> is my turbo too small
post Apr 9, 2005 - 12:15 AM
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RUNNIN-LOW



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well ive ask this once i think already but is my turbo to small. i have a t-25 and yeah it smaller then a t3 also im boosting 7psi. but i feel no boost on high gear. just first and second. the weired thing is that i cant even pill out on 2nd. WHAT SHOULD I DO!!should i just add abigger turbo.ive been asking around and have sources to get a ct26 but im still thinking that i might have some power hidden in my t-25


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post Apr 11, 2005 - 10:33 AM
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presure2



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this is copied from your other thread i replied to:
http://www.6gc.net/forums/index.php?showtopic=23361

almost all the T3 series is too small for the 5s. IMO if money wasnt an object, i'd go for a T3/To4E hybrid with a 46trim compressor and a .48a/r for the turbine.
user posted image
in that graph i plotted for 7 and 10 psi...good stuff, and as you turn up the boost it just gets better. i'd definetly sacrifice a little spool time for what that turbo will give ya wink.gif
::EDIT::: heres a plot of a 60trim T3, just so you guys can see what im talking about, this is the largest compressor in the T3 series.:
user posted image
as you can see, your almost off the right side in the higher RPMS...anything smaller than a 60 trim T3 and your way off the map by 4500-5k...the exact reason your car falls on its face in the upper rpms, with ubber quick spool, your turbo is too small.
wink.gif IMO if your going to use a T3 nik is right, go for the 60 trim

This post has been edited by presure2: Apr 11, 2005 - 10:34 AM


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