997 Turbo upgrade
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Joined: Dec 2005
Posts: 566
From: Europe
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You are truly increasing this forum knowledge. Can you reveal the turbine and compressor wheels specs used in the vtg upgrade? Turbo or GT2 core?
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Registered User
Joined: Dec 2013
Posts: 32
From: germany
Rep Power: 16
Hello,
i have test 3 Versions with other compressor wheels, the exhaust side is GT2
My experiance is the problem is the exhaust side, you can give pressure from 1,7 bar ore more at 6700 rpm but the power goes down, the exhauspressure goes over 4 bars, the oem Gt2 exhaust side can to 700 HP when the rest from the engine and cooling must very good condition.
my new engine i will test with upgrade Gt2 VTG Turbos but i think not much more power at the end of rpm
i would like follow turbocharger testing
Upgrade GT2 VTG
Upgrade K24/26 Turbocharger
EFR Turbos
and when the power is not over 900HP then i take GTx 3071
here further pictures from the nipples exhaustpressure and the other from the gt2 RS cooler with to much pressure
DSC_0637.JPG
DSC_0635.JPG
DSCDSC_0909.JPG_0907.JPG
i have test 3 Versions with other compressor wheels, the exhaust side is GT2
My experiance is the problem is the exhaust side, you can give pressure from 1,7 bar ore more at 6700 rpm but the power goes down, the exhauspressure goes over 4 bars, the oem Gt2 exhaust side can to 700 HP when the rest from the engine and cooling must very good condition.
my new engine i will test with upgrade Gt2 VTG Turbos but i think not much more power at the end of rpm
i would like follow turbocharger testing
Upgrade GT2 VTG
Upgrade K24/26 Turbocharger
EFR Turbos
and when the power is not over 900HP then i take GTx 3071
here further pictures from the nipples exhaustpressure and the other from the gt2 RS cooler with to much pressure
DSC_0637.JPG
DSC_0635.JPG
DSCDSC_0909.JPG_0907.JPG
Registered User
Joined: Apr 2006
Posts: 1,677
From: London (UK)
Rep Power: 156
Hello,
i have test 3 Versions with other compressor wheels, the exhaust side is GT2
My experiance is the problem is the exhaust side, you can give pressure from 1,7 bar ore more at 6700 rpm but the power goes down, the exhauspressure goes over 4 bars, the oem Gt2 exhaust side can to 700 HP when the rest from the engine and cooling must very good condition.
my new engine i will test with upgrade Gt2 VTG Turbos but i think not much more power at the end of rpm
i would like follow turbocharger testing
Upgrade GT2 VTG
Upgrade K24/26 Turbocharger
EFR Turbos
and when the power is not over 900HP then i take GTx 3071
here further pictures from the nipples exhaustpressure and the other from the gt2 RS cooler with to much pressure
DSC_0637.JPG
DSC_0635.JPG
DSCDSC_0909.JPG_0907.JPG
i have test 3 Versions with other compressor wheels, the exhaust side is GT2
My experiance is the problem is the exhaust side, you can give pressure from 1,7 bar ore more at 6700 rpm but the power goes down, the exhauspressure goes over 4 bars, the oem Gt2 exhaust side can to 700 HP when the rest from the engine and cooling must very good condition.
my new engine i will test with upgrade Gt2 VTG Turbos but i think not much more power at the end of rpm
i would like follow turbocharger testing
Upgrade GT2 VTG
Upgrade K24/26 Turbocharger
EFR Turbos
and when the power is not over 900HP then i take GTx 3071
here further pictures from the nipples exhaustpressure and the other from the gt2 RS cooler with to much pressure
DSC_0637.JPG
DSC_0635.JPG
DSCDSC_0909.JPG_0907.JPG
From I have learnt you will probably gain another 50ps max from the GT2 RS turbos. The exhaust housings are bigger but not by much.
What do you think you will achieve with k24/26's? And how will you control the boost?
Plus I too would love to see EFR's tested on the Porsche, the only issue is they are quite a long turbo.
Last edited by GTRNICK; Dec 26, 2013 at 06:08 AM.
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