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935TURBO 935TURBO is offline
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Join Date: Jan 2007
Location: PARIS & BURGUNDY....FRANCE
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I'm not an engine racer specialist, and I'm a little bit desapointed by your answers....and don't understand why GARRETT's specs are those following ones....

"VNT Technology
BACKGROUND
The worldwide drive for improved fuel efficiency combined with new emissions requirements will continue to spur rapid, global growth of turbochargers.

To support customers' needs, AlliedSignal recently began full-scale production of the GarrettŪ VNT series of variable geometry turbochargers which will allow vehicle manufacturers to use smaller displacement engines without sacrificing performance.

AlliedSignal's new GarrettŪ turbocharger designs and system improvements raise the driveability characteristics of turbocharged diesel engines to those of large, naturally aspirated gasoline engines, while providing reductions in overall emissions.

ADVANTAGES OF THE VNT TURBOCHARGER
Increased torque Improved transient response (alleviates "lag")
Reduced emissions
Improved fuel consumption
Flatter torque characteristics giving improved driveability/response
Turbine extracts energy from full exhaust flow
MULTIVANE VNT TURBOCHARGER
The Multivane VNT Turbocharger uses vacuum actuator to adjust the vaned nozzle. The vanes steer the speed characteristic (angle and velocity) of the incoming exhaust gas toward the turbine wheel. The boost can then be controlled from 1.0 bar to 2.0 bar absolute. The variable turbine intake geometry only raises boost pressure if it is required for high torque."

Anyway...if the turbos are not enough...may be I'll remove them....but I'm still looking for...EFI/cpu......
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Old 01-23-2007, 02:01 PM
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