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Old 26 May 2005, 09:25 PM   #1 (permalink)
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turbo

? why does my brothers 98 wagon turbo sounds like a police siren?
he's got in car boost
induction kit
bailey dump valve
staight through zorst
his scooby seems much quicker and more torque than my 2001 wagon prodrive pp why is this ?????????? any ideas your thoughts much appreciated
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Old 27 May 2005, 06:58 AM   #2 (permalink)
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A louder whistle on the turbo warren or the noise after the throttle is released?

Induction kits can imiprove performance and the straight through would also improve the performance of the car. The dump valve could be the cause of the siren effect but wouldnt enhance the performance of the car.

:?:
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Old 27 May 2005, 08:18 AM   #3 (permalink)
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if he accelarates softly he gets like a siren noise if he accelarates foot to the no noise y is this his just seems a lot more quicker
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