Sounds like power hissing at shift ?
Ok, my brother very enthusiatically asked me a question last night about something I really dont know how to explain. What is the shift hissing sometime you hear from import tuners as they shift quickly? He said he heard a Supra on his way home shift and it sounded almost like a powerful air release every time he shifting, like on Fast and the Furious opr something.... is that just the flywheel or the hydraulic clutch?> please explain?....thanks!
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that'd be the blow off valve. when you shift, it keeps the turbo spooled up, so you reduce turbo lag
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Good enough, thank you, I'll now have to explain how my RX-8 can't really make that sound.
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well, if you go install a blow off valve, i think you can make the sound...but it really wouldn't do anything
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If you have a crappy aftermarket intake, you can probably hear a quick soft hiss when the air hits the throttle body between fast shifts. Anyway, a blowoff valve on a non-turbo car wouldn't make any noise (if it opens at all) because there's no pressure to vent. Compressor surge sounds cooler, IMO
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