Thread: M3 vs B8 S4
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      10-05-2010, 01:51 PM   #47
jdgamble
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Quote:
Originally Posted by MERCSUk153 View Post
Please read what I said and then respond. Your point doesn't make sense as a tune will not drive the roots supercharger faster. It is the pulleys job so if you want to make the supercharger go faster then you need to change the pulley. In this case the pulley doesn't need to go faster because Audi is not using the full boost but bleeding the boost off anything above 5000rpm. This is not a turbo charger so it does not go faster. If you can't understand how a supercharger works please don't make up information.
Uhhhh... Do you think there is a difference between forces exerted on a rotating assembly at 7200 RPM with pressure/compression versus without? They vent the pressure to protect the hardware, smart guy. Roots-type blowers generate a TON of heat (look it up, supercharger expert), and do not operate efficiently at high RPMs. That's why centrifugal superchargers exist... and to confuse people like you. If you can't understand basic physics please don't get upset at those who can.
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