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991 Turbo Turbo and Turbo S

900 HP ES 991 TTS build

 
Old 02-23-2019, 09:35 PM
  #31  
Kisco
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Originally Posted by IMI A View Post
Whats the inducer and exducer size on the 991 GT2 RS turbos? Is that them in the pic? How do the new GT2 RS VTG turbos compare say to 991.2 turbo s VTG inducer/exducer size?

Great project.
Don't take my word for it, but I believe the exducer is 70mm. I am being told that these VTGs are the biggest from Porsche to date by quite a bit. What's the exducer of a 991.2 TTS turbo?

Yes, that is them in the pics.

The car went on the dyno today and got dialed in on 93/meth. Numbers on 93/meth, race gas/meth, 60-130 and 1/4 miles times are all to come.
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Old 02-24-2019, 03:47 AM
  #32  
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58mm compressor wheel on 991.2 turbo s. According to AP head of Porsche GT cars 67mm compressor wheel on 991 GT2 RS but everyone measures them differently. No-one so far has been able to tell us if the hot side on the VTGs is bigger than on the old 997 GT2 RS VTG turbos.
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Old 02-25-2019, 11:28 PM
  #33  
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Originally Posted by IMI A View Post
58mm compressor wheel on 991.2 turbo s. According to AP head of Porsche GT cars 67mm compressor wheel on 991 GT2 RS but everyone measures them differently. No-one so far has been able to tell us if the hot side on the VTGs is bigger than on the old 997 GT2 RS VTG turbos.
Ya so it does seem that the GT2RS turbos are much larger than the 991.2 turbos.

Got some 93/meth dyno numbers in. Race gas numbers and street testing coming up and then I will report back.

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Old 02-26-2019, 02:27 AM
  #34  
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Too funny . I'm glad I stumbled onto this thread. I'm already a subscriber to your channel. I enjoy the content. Best of luck against the 720s.
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Old 02-26-2019, 11:14 PM
  #35  
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Originally Posted by Flat6Music View Post
Too funny . I'm glad I stumbled onto this thread. I'm already a subscriber to your channel. I enjoy the content. Best of luck against the 720s.
Thanks man! I enjoy the process and putting it out. I can't wait for the next few vids, going to be all about the 911 Turbo S.

Excited to see how the race with Dragtimes goes. I think I will eek out a W.
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Old 02-27-2019, 10:08 PM
  #36  
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Originally Posted by Kisco View Post
Ya so it does seem that the GT2RS turbos are much larger than the 991.2 turbos.

Got some 93/meth dyno numbers in. Race gas numbers and street testing coming up and then I will report back.
tease us with some #'s ? pwease?
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Old 02-27-2019, 10:11 PM
  #37  
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Originally Posted by bigrpowr View Post
tease us with some #'s ? pwease?
Hint....93/meth numbers are VERY impressive!

Race gas dyno numbers tomorrow. Iíll post up all the details and info on my YouTube channel soon.
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Old 02-27-2019, 10:35 PM
  #38  
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Originally Posted by Kisco View Post

Hint....93/meth numbers are VERY impressive!

Race gas dyno numbers tomorrow. Iíll post up all the details and info on my YouTube channel soon.
I am curious to see how they compare to the typical vtg setup. We all anxiously awaiting!
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Old 02-27-2019, 10:46 PM
  #39  
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Originally Posted by kouzman View Post
I am curious to see how they compare to the typical vtg setup. We all anxiously awaiting!
Yup, thatís what I want to know as well. While dyno numbers are cool, the question is how do these dyno numbers translate on to the street / track.

I already got 60-130 numbers today on 93/meth. Very impressive! I promise to share it all soon!
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Old 02-27-2019, 10:54 PM
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Originally Posted by Kisco View Post

Yup, thatís what I want to know as well. While dyno numbers are cool, the question is how do these dyno numbers translate on to the street / track.

I already got 60-130 numbers today on 93/meth. Very impressive! I promise to share it all soon!
with porsche, they are usually FASTER than the dyno #'s .
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