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6th November 2006, 13:15 | #7 | |
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MINI Cooper S Works (Superchardged not Turbo!) Join Date: Nov 2006
Location: Ashby-de-la-Zouch
Posts: 385
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Quote:
The autos didn't need them as the transmission loads are different. NVH wise, Tom is correct again, the boom in the rear of the car was very nasty at about 30 mph in the Autos so we added the middle silencer. The manuals rarely got a boom from standard rear boxes as we "took it out" but the X Power boxes put it back again from about 50 mph onwards and it was very obvious from 70mph. The NVH wasn't mucked about with in the 260's if anything we put extra in around the drivetrain but other frequencies etc may cause the odd pocket depending on gear, road speed and so on. Nic
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