993 Turbo This community is about the last air cooled twin turbocharged Porsche 911. Model year 1996 - 1997. Also inclusive in this forum is talk on the final 182 Porsche 911 Turbos built in 1997 known as the Turbo S.

993 turbo project

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Old Jan 26, 2008 | 07:01 AM
  #31  
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Thumbs up Thanks for your Time

Excellent and informative thread.
Thank you Brett for taking the time and sharing your project.
 
Old Jan 26, 2008 | 09:02 AM
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did the car start out as an original turbo?
 
Old Jan 27, 2008 | 07:38 PM
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wow! the turbo setup looks sick!!!
 
Old Jan 30, 2008 | 04:41 PM
  #34  
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does anyone know?

Originally Posted by chidoks
did the car start out as an original turbo?
 
Old Jan 30, 2008 | 05:25 PM
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No, the car was originally an NA. I am still currently running the stock NA motor with an 11.3:1 compression ratio, which is why I have kept the boost at only 6 psi.
 
Old Jan 30, 2008 | 06:25 PM
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Hi, nice job! Love to see you on the track with it.The stock ecu is junk for the 993. Were are finishing up a 993TT with Haltech and twin GT 30s is put down 625 awhp at 1 bar! Keep us up to date.
Tim
 
Old Jan 31, 2008 | 10:30 AM
  #37  
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Nice
 
Old Feb 16, 2008 | 06:19 PM
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Brett thanks for the pics and info. I'm having a shop in south Fl using the CBR coils you posted but going with DTA ECU
Thanks again
Mark
 

Last edited by kleinbbc; Feb 28, 2008 at 02:22 PM.
Old Feb 23, 2008 | 07:11 PM
  #39  
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Beautiful setup!!!
 
Old Apr 24, 2008 | 04:46 PM
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Brett, PM sent.
 
Old May 1, 2008 | 08:22 AM
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Brett,

Thanks for the information.
 
Old May 1, 2008 | 02:56 PM
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how much room is under there? any chance of fitting maybe a gt42 or gt45 under there?

Originally Posted by Brett B
No, the car was originally an NA. I am still currently running the stock NA motor with an 11.3:1 compression ratio, which is why I have kept the boost at only 6 psi.
 
Old May 2, 2008 | 01:41 PM
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Originally Posted by chidoks
how much room is under there? any chance of fitting maybe a gt42 or gt45 under there?
I haven't shoved a GT42 under there yet to see if there is enough room, but I think it may fit with a slightly different mounting position then what I have for my GT40 now. I'm pretty sure a GT45 will not fit, the compressor housing is just too large.
 
Old May 2, 2008 | 02:16 PM
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the gt45 is the same housing size as the gt42.. it would definitely be nice to see what a 2900lb car is capable of with a big turbo.. lots of traction issues.. is your motor a 3.3L or 3.6?

Originally Posted by Brett B
I haven't shoved a GT42 under there yet to see if there is enough room, but I think it may fit with a slightly different mounting position then what I have for my GT40 now. I'm pretty sure a GT45 will not fit, the compressor housing is just too large.
 
Old May 4, 2008 | 03:51 PM
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Originally Posted by chidoks
the gt45 is the same housing size as the gt42.. it would definitely be nice to see what a 2900lb car is capable of with a big turbo.. lots of traction issues.. is your motor a 3.3L or 3.6?
Not the compressor housing. The turbine housing is the same divided T4 housing as the GT42, but the GT45 uses a larger compressor housing (same size as found on the GT47 I believe). In addition to being physically larger, the GT45 comp housing has a 6" inlet and the 3.5" slip-on outlet, whereas the GT42 comp housing only has a 5" inlet and has the 3.5" v-band outlet.

My motor is a 3.6L.
 


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