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FAO TURBO Experts: Understanding Compressor Maps

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Old 06-12-2005, 03:39 PM
  #41  
DaveEscos
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Originally Posted by YBP
Originally Posted by DaveEscos
Originally Posted by YBP
Originally Posted by DaveEscos
can anyone get a compressor map for a T38?
If you remove the compressor housing and measure the inducer and exducer diam. Or just measure the inducer diam with the housing still on and know the compressor trim, I might find a compressormap that can ballpark your T38.

L.

Mike??


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Sorry, I don´t understand.


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Old 06-12-2005, 03:41 PM
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Dave,
Even if I had that info, you KNOW it would be classified .
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Old 06-12-2005, 03:42 PM
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Ok. I thought maybe I had written something loco and not seeing it myself.
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Old 06-12-2005, 03:43 PM
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bastid gibbs lovechild!
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Old 06-12-2005, 03:44 PM
  #45  
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I reckon it´s got somekind of T4 compressor, is it a B or E series compressor?
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Old 06-12-2005, 03:47 PM
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Originally Posted by YBP
I reckon it´s got somekind of T4 compressor, is it a B or E series compressor?
i havent a clue ybp... its 'shell' is incoherently 'T35'

the insides remain a mystery.. but I have heard the T4 internals .. banded around.
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Old 06-12-2005, 04:00 PM
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www.turbocalculator.com/how-to-read.html
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Old 06-12-2005, 04:16 PM
  #48  
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Originally Posted by DaveEscos
Originally Posted by YBP
I reckon it´s got somekind of T4 compressor, is it a B or E series compressor?
i havent a clue ybp... its 'shell' is incoherently 'T35'

the insides remain a mystery.. but I have heard the T4 internals .. banded around.
Ok, now I´ve got something to work with (maybe...). If you could take off the airfilter hose and give me the exact measurement of the diam of the visible part of the compressorwheel I can take a shot in the dark and maybe find a map that would resemble the T38 compressormap.

What´s maximum recommended boost pressure?
Does the compressorcover look like the T35?
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Old 06-12-2005, 04:17 PM
  #49  
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yes, the compressor cover is the same as a T35... so im assuming the compressor wheel is the same size ???


i run 27 psi and it makes 440 bhp on an engine dyno.
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Old 06-12-2005, 04:19 PM
  #50  
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harvey t38 is a machined t35.

basically the housing is machined out and a larger compressor wheel is fitted.

pretty sure it retains the .63 exhaust housing.

unsure of what size the comp wheel is though
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Old 06-12-2005, 05:23 PM
  #51  
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Originally Posted by DaveEscos
yes, the compressor cover is the same as a T35... so im assuming the compressor wheel is the same size ???


i run 27 psi and it makes 440 bhp on an engine dyno.
Ahhhh, the mother of all f*ck ups!

I too run a HG T38, but it's not the same as Dave's - who cares about the map (that most won't understand anyway) it works don't it?
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Old 06-12-2005, 05:24 PM
  #52  
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stfu blimp
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Old 06-12-2005, 05:28 PM
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Old 06-12-2005, 06:10 PM
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You run a T4 exhaust wheel in the T38 UT one!...Comp wheel inbetween the T35 and T4..all incased in a T35!!!
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Old 06-12-2005, 06:18 PM
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Originally Posted by Bosch-Man
You run a ....
Who's you?
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Old 06-12-2005, 06:23 PM
  #56  
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You is to answer a question about the T38 UT version.
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Old 06-12-2005, 06:32 PM
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Ah, I read it wrong , lol.
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