Exhaust Decibels
Le Mans Master
Joined: Nov 2005
Posts: 6,993
Likes: 25
Go buy a decibel meter at radio shack. http://www.radioshack.com/product/in...&tab=techSpecs
Last edited by dougbfresh; Jan 4, 2009 at 09:48 AM.
Racer
Joined: Dec 2006
Posts: 473
Likes: 1
From: Newport Oregon
Or , if you don't want to buy one, maybe find an outfit like a car club or local SCCA that runs AutoX or track days and give them a call. They usually have to monitor sound levels at their events and would probably help you out.
Race Director
Joined: Jan 2006
Posts: 10,554
Likes: 33
From: Not on either liberal coast.
Team Owner
Joined: Sep 2001
Posts: 23,283
Likes: 906
From: Lake Elsinore, CA
Just for fun, below are some informal readings I took with a decibel meter a few years ago on my head/cam/header setup when I switched from 2-tip Stingers to Ti's. Borlas sounded awesome but had huge resonance problem I couldn't live with. Remember that the decibel scale is logarithmic so a 10 decibel increase = a 10x increase in sound intensity.
Stinger-Z06 Decibel readings
Outside readings taken @ 10 ft. center/rear of car
Interior readings taken @ passenger seat
Radio Shack sound meter
Borla Stingers (2-tip)
Cold start - 110 dB
After 1 min. – 100 dB
Oil temp @ 100 deg. F – 96 dB
Interior idle - 90 dB
Interior rev - 98 dB
4K rev – 96 dB
Brief hits of 100dB in interior while driving
Z06 Ti
Cold start - 96 dB
Warm idle - 87 dB
Interior idle - 84 dB
Interior rev – 92 dB
Redline interior – 89 dB
Stinger-Z06 Decibel readings
Outside readings taken @ 10 ft. center/rear of car
Interior readings taken @ passenger seat
Radio Shack sound meter
Borla Stingers (2-tip)
Cold start - 110 dB
After 1 min. – 100 dB
Oil temp @ 100 deg. F – 96 dB
Interior idle - 90 dB
Interior rev - 98 dB
4K rev – 96 dB
Brief hits of 100dB in interior while driving
Z06 Ti
Cold start - 96 dB
Warm idle - 87 dB
Interior idle - 84 dB
Interior rev – 92 dB
Redline interior – 89 dB
Le Mans Master
Joined: Sep 2007
Posts: 7,604
Likes: 8
From: Belleville Il
Just for fun, below are some informal readings I took with a decibel meter a few years ago on my head/cam/header setup when I switched from 2-tip Stingers to Ti's. Borlas sounded awesome but had huge resonance problem I couldn't live with. Remember that the decibel scale is logarithmic so a 10 decibel increase = a 10x increase in sound intensity.
Stinger-Z06 Decibel readings
Outside readings taken @ 10 ft. center/rear of car
Interior readings taken @ passenger seat
Radio Shack sound meter
Borla Stingers (2-tip)
Cold start - 110 dB
After 1 min. – 100 dB
Oil temp @ 100 deg. F – 96 dB
Interior idle - 90 dB
Interior rev - 98 dB
4K rev – 96 dB
Brief hits of 100dB in interior while driving
Z06 Ti
Cold start - 96 dB
Warm idle - 87 dB
Interior idle - 84 dB
Interior rev – 92 dB
Redline interior – 89 dB
Stinger-Z06 Decibel readings
Outside readings taken @ 10 ft. center/rear of car
Interior readings taken @ passenger seat
Radio Shack sound meter
Borla Stingers (2-tip)
Cold start - 110 dB
After 1 min. – 100 dB
Oil temp @ 100 deg. F – 96 dB
Interior idle - 90 dB
Interior rev - 98 dB
4K rev – 96 dB
Brief hits of 100dB in interior while driving
Z06 Ti
Cold start - 96 dB
Warm idle - 87 dB
Interior idle - 84 dB
Interior rev – 92 dB
Redline interior – 89 dB
!Your grasp of the winter gas blends(from my winter MPG thread) ,decibel levels,car care and so on,,I must give you a
and a tip of the hat!!I contribute when I can,,but there are SO many here that I now read a lot more that I type now
!!
