997 Turbo / GT22004–present Turbo discussion on the current model Porsche 911 Twin Turbo. Sponsored By SharkWerks, Inc
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OK...so you use GT2 turbos...they must be expensive ))) and boost comes later then VTGs... now I see how its possible to make more power then other tuner with VTGs...
If i was to change VTGs i would go with Garett, cheaper and 771whp
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06 Lexus GS450h
07 merc SL350
08 Cayenne turbo
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No, they are larger than gt2 turbos(boasting more efficiency). Garretts are an options but VNT turbines offer better drivability and flatter/longer torque curves, also spooling faster. That is why porsche made the change.
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Casey Parkin TPC Racing Marketing/Sales
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OK...so you use GT2 turbos...they must be expensive ))) and boost comes later then VTGs... now I see how its possible to make more power then other tuner with VTGs...
Looking forward to your 1/4 and 60-130 times...
Sorry but as I know 997 GT2 turbos are also VTGs??They just come with larger wheels than the 997tt one but they are same unit..
Sorry but as I know 997 GT2 turbos are also VTGs??They just come with larger wheels than the 997tt one but they are same unit..
The 997TT and 997GT2 both use VTG turbos, but they are not exactly the same. And the difference is more than the compressor wheels. Tuners can install bigger air wheel (46, 48 or 50 mm) to a 997TT VTG turbo, but the GT2 housing is larger over all. The inside dimensions are bigger on the intake side and exhaust housing are also larger. And while this may ultimately produce more power, my guess is they will likely have more lag.
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07 997 Ruf Tuned Turbo
05 955 Cayenne Turbo - waiting for delivery
04 996 GT3 - sold, looking for replacement
02 996 Turbo - gone, but not forgotten
no problem.... 2 Turbos just showed up to get the treatment... so that will make 4 of these kits in the wild... One client requested that he wants more than 800HP...(has an LMP Panoz and a 962) so we are going to one up his car... should be exciting
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Casey Parkin TPC Racing Marketing/Sales
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Last edited by vividracing; 05-20-2009 at 12:00 PM.
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