996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

My stock K16 car feels absolutely insane!! This makes no sense at all!!

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Old Jun 20, 2016 | 05:02 PM
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Originally Posted by BauerR
Cobb maffless tune by Sam 1.0-1.1 bar
Speedtech 3" xpipe exhaust. No cats, no mufflers
997 coils and fresh plugs
SRM intercoolers with optional 2.5" inlet/outlets. (Biger plumbing is Very important and often overlooked)
Filters directly on the front of turbos (made a huge difference in power)M parts to arrive and I will get some real numbers for the car.
Wanna see just what these stock K16's will do.
Awesome. Very interested to see your results. Are you still running the stock clutch?
 
Old Jun 20, 2016 | 05:25 PM
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Originally Posted by vogz
Awesome. Very interested to see your results. Are you still running the stock clutch?
Yeah, unfortunately and it's well past it's happiness date.
 
Old Jun 20, 2016 | 06:38 PM
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Originally Posted by Steve Jarvis
I have seen many a high horsepower car go down because they started in the wrong gear or short shifted.
Ben is a driving instructor that teaches people how to race. I'm pretty sure he has a good idea of how to drive his car.
 
Old Jun 20, 2016 | 08:46 PM
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Originally Posted by BauerR
Yeah, unfortunately and it's well past it's happiness date.
haha, I bet. What's your plan?
 
Old Jun 20, 2016 | 10:07 PM
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Any pics of the filters directly onto the front of the turbos? Cost estimate for parts?
 
Old Jun 20, 2016 | 11:06 PM
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Originally Posted by BauerR
Stock theyre running ultra high 120's. With all the bolt-ons running low 130's makes perfect sense.



**** whatever you want.
The only **** around here is made by dodge...wait...they stopped making them because they are ****. That's right.

Stop trying to figure out If your car has magic pixie dust and go to a dyno instead of doing highway rolls with guys that can't drive.
 
Old Jun 20, 2016 | 11:45 PM
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Removing the intake piping removes a huge restriction, been saying that for years. Larger piping on the intercooler flows better but cools slightly less, I went standard sized piping but larger Y-pipe. Ask Sean to make you a Y-pipe next and do a plenum with larger TB while you're at it You will have removed every easy restriction I know of at that point and I'd watch injector duty closely. I'd also not run any higher boost than that as you could be overspeeding the turbos.
 
Old Jun 21, 2016 | 12:05 AM
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1.1 bar boost on k16 turbos will get you around 450awhp if that.
 
Old Jun 21, 2016 | 02:02 AM
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Above attached is a pic of K16 compressor map. It maxes at 0.185 m3/sec, which equals 31.6 lb/hr. General knowledge says that 996 turbo's engine is capable of producing 9.5 crankhp / 1 lb/hr of air. So 2 x 31.6 x 9.5 = 600.4 crankhp at about 60% effiency. Very hot air that is... IRL 0.15-16 m3/sec is what they push. Close to 500 crankhp...equalling to that 450 awhp mentioned above.
 
Old Jun 21, 2016 | 03:53 AM
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I agree with all you're saying and but it isnt acting like a 450hp car.
 
Old Jun 21, 2016 | 04:00 AM
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Originally Posted by daedalus
Any pics of the filters directly onto the front of the turbos? Cost estimate for parts?
I don't have any good pix of the filter setup but I can see it through the wheels.

Cost was around $150 shipped for 2 K&N's and 4 Dry Charger covers. The Dry chargers are great 'cause they add an extra layer of protection, plus theyre water resistant.(designed for ATV's and dirt bikes)

*****EDIT...only on 6speed do my photos get uploaded sideways!
 
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Last edited by BauerR; Jun 21, 2016 at 04:17 AM.
Old Jun 21, 2016 | 08:36 AM
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Old Jun 21, 2016 | 08:52 AM
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Originally Posted by VGLNTE1
The only **** around here is made by dodge...wait...they stopped making them because they are ****. That's right.

Stop trying to figure out If your car has magic pixie dust and go to a dyno instead of doing highway rolls with guys that can't drive.
bingo, dyno the car and be done with it
 
Old Jun 21, 2016 | 01:12 PM
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Bear in mind, boost pressure won't tell you HP. Compare someone with a freed up intake, freed exhaust, bigger TB, bigger intercooler, and swapped Y-pipe at 1.1 with someone running all stock at 1.1 and you will understand manifold pressure is measuring restriction too. One of the reasons why you test for boost leaks even if you're still seeing full boost, a turbo will push to reach its set point and can overspeed if there's a leak.

I agree that the dyno is the way to go, compressor map says you don't have the air for high numbers. A pic of the compressor blades might help folks figure out if you've got upgraded turbo. It would be really interesting to see numbers and figure out what's up.
 
Old Jun 21, 2016 | 05:38 PM
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I got my friend with a DynaCom Dyno ready to give Rich a free Dyno run let's get down there!
 
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