Thunderhill, Noise limit of 103 dB |
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Thunderhill, Noise limit of 103 dB |
slivel |
Apr 7 2006, 08:12 AM
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#1
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Old car....... older driver Group: Members Posts: 510 Joined: 10-July 04 From: San Diego Member No.: 2,332 Region Association: Southern California |
Has anyone run at Thunderhill who can comment on the noise limit of 103 dB. I have run at Laguna Seca at 93 dB limit and had to use mufflers to comply. Does 103 dB allow enough for an open exhaust?
Steve |
nine14cats |
Apr 7 2006, 09:36 AM
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#2
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Bill Pickering -- 914-6 GT aka....Leeloo Group: Members Posts: 2,618 Joined: 10-February 03 From: Campbell, CA Member No.: 287 Region Association: None |
Hi Steve,
At THill with your 3.4 you should make it under the 103 no problem. I ran our 914-6 with Webers, headers and phase 9's and made it. At Laguna the carb induction noise was the big problem and I had to lift at the sound station, even with a banana muffler. I didn't get caught by the roving meter lady! Our new car with a 3.6, FI and phase 9's is a tad quieter than the high strung 2.7 we had before. What muffler system are you running? Bill P. |
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