Event #2 Sound "Hall of Shame"
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Re: Event #2 Sound "Hall of Shame"
well... Brian, had you not gathered it back in heading towards the islands.... you'd prolly have taken them out. no more sound... lol
ETR Pro Class Champion-2002-03-10-11-12-13-14-15
BMW/CCA D-Mod National Road Racing Champion-2011
Pro-Solo Prepared National Champ-2004
Pro-Solo Prepared National Champ-2005
2016 Dodge Challenger SRT 6.4L CAM-C
BMW/CCA D-Mod National Road Racing Champion-2011
Pro-Solo Prepared National Champ-2004
Pro-Solo Prepared National Champ-2005
2016 Dodge Challenger SRT 6.4L CAM-C
Re: Event #2 Sound "Hall of Shame"
Your runs were: 89.8, 90.6, 90.2, 80?, 90.3, and a 92.7 on the rerun.integra55 wrote:so the question is … what did my car read on the meter, and did it past the ear test from behind ? ( STS 55 )
As for the ear test - you've got a resonance out the back that is fairly typical for the louder 4 cylinders, that doesn't really show up on the meter but kind of echoes through the valley.
When I took this job I intended to find a way to measure that - measure the 4 cylinder cars out the back, akin to measuring the Cobras in the straight at 50' to the side.
I haven't found a fair way to do that, it doesn't really seem to reflect on a db meter unless you're right behind it - which I've found to be a really hard place to get a "fair" reading on a moving car.
John Brown wrote:you'd prolly have taken them out. no more sound... lol
lol
Mike Kelly
"Still got the shovel..."
--Mr. Rate
"Still got the shovel..."
--Mr. Rate
Re: Event #2 Sound "Hall of Shame"
Just curious did you get documentation on all cars or just the ones close to limit? I wasn't on the loud list but I wanted to know how close I was to that list.
J.R. Newman
2007 Maximus Prime
1989 Civic SI hatch #98
2007 Maximus Prime
1989 Civic SI hatch #98
Re: Event #2 Sound "Hall of Shame"
MikeKelly wrote:
When I took this job I intended to find a way to measure that - measure the 4 cylinder cars out the back, akin to measuring the Cobras in the straight at 50' to the side.
I haven't found a fair way to do that, it doesn't really seem to reflect on a db meter unless you're right behind it - which I've found to be a really hard place to get a "fair" reading on a moving car.
lol
Mike my car has that resonance sound you were talking about. If you want to test different sound testing procedures I would be willing to stay late or come early to an event so you could test it in my car. pelli is by far the closest venue for me and and I would be willing to burn some fuel to make sure our 4 bangers aren't going to be a sound prolem
J.R. Newman
2007 Maximus Prime
1989 Civic SI hatch #98
2007 Maximus Prime
1989 Civic SI hatch #98
Re: Event #2 Sound "Hall of Shame"
I was thinking about it (again) on the way home - here is exactly what I need:joker717 wrote:Mike my car has that resonance sound you were talking about. If you want to test different sound testing procedures I would be willing to stay late or come early to an event so you could test it in my car.
If I could catch one of "those cars" on a chassis dyno and get a "fair" 50' reading out the back at 5000 to 6000rpm full throttle loaded.
I'd compare that to Pelli readings and I'd "know" more than I "know" now - I could at least say "this" out the side equals about "that" out the back...
We're catching the Cobras "letting it eat" - if they pass at Pelli, they can pass a 360 degree sound limit.
I'm pretty sure there's stuff that didn't even merit mention earlier that can't pass @ 50' @5000rpm WOT out the back...
Your runs were 86, 85, 88, 90.1, 89.6. Welcome to the "hall of shame", I missed you earlier... loljoker717 wrote:Just curious did you get documentation on all cars or just the ones close to limit? I wasn't on the loud list but I wanted to know how close I was to that list.
Mike Kelly
"Still got the shovel..."
--Mr. Rate
"Still got the shovel..."
--Mr. Rate
Re: Event #2 Sound "Hall of Shame"
Just out of curiosity I looked at our readings at Dixie and we were in the low 90s there. Guess I should have mentioned it but I just figured "we're good".jcox07 wrote:Mine was in the 86-87 level area, I guess it may be time to get new ones as the packing may be getting blown out. Thanks Mike
Mark Pilson
03 Z06 - Sword
09 Mustang - Club
01 Excursion - The safe you dropped from the 10th story
03 Z06 - Sword
09 Mustang - Club
01 Excursion - The safe you dropped from the 10th story
Re: Event #2 Sound "Hall of Shame"
Mike, could we maybe post a copy of the previous event results of sound at the following event? That would give us all a decent idea of what we are putting out there?
I think we're all curious of our sound levels and that way you're nit having to tell each person when they ask.
I think we're all curious of our sound levels and that way you're nit having to tell each person when they ask.
Brian Huber
2021 Stingray Coupe ( NOT for cone hitting )
2016 Scion FR-ETH 58/158 SSC
Scalded Snail Racing
2021 Stingray Coupe ( NOT for cone hitting )
2016 Scion FR-ETH 58/158 SSC
Scalded Snail Racing
Re: Event #2 Sound "Hall of Shame"
Mike, could we maybe post a copy of the previous event results of sound at the following event? That would give us all a decent idea of what we are putting out there?
I think we're all curious of our sound levels and that way you're nit having to tell each person when they ask.
I think we're all curious of our sound levels and that way you're nit having to tell each person when they ask.
Brian Huber
2021 Stingray Coupe ( NOT for cone hitting )
2016 Scion FR-ETH 58/158 SSC
Scalded Snail Racing
2021 Stingray Coupe ( NOT for cone hitting )
2016 Scion FR-ETH 58/158 SSC
Scalded Snail Racing
Re: Event #2 Sound "Hall of Shame"
We could do that if it would be helpful - mostly I'm trying to hit the high spots here so people have time to deal with it before the next event.
Mike Kelly
"Still got the shovel..."
--Mr. Rate
"Still got the shovel..."
--Mr. Rate
Re: Event #2 Sound "Hall of Shame"
Yeah, seems like allot of people are curious, and even if they aren't close, it gives them an idea of what their Kim's are, should they be thinking about changing something
Brian Huber
2021 Stingray Coupe ( NOT for cone hitting )
2016 Scion FR-ETH 58/158 SSC
Scalded Snail Racing
2021 Stingray Coupe ( NOT for cone hitting )
2016 Scion FR-ETH 58/158 SSC
Scalded Snail Racing
Re: Event #2 Sound "Hall of Shame"
The hard part on posting all readings, it's hand written. Short of photocopying it to a PDF, that's a whole lot of numbers to enter.
Ted V.
don't make me list all my VW's
don't make me list all my VW's
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- Location: Knoxville
Re: Event #2 Sound "Hall of Shame"
If somebody has a nice smart phone or camera they can take a picture of each page and post it. I'll have to improve my chicken scratch!
Jeffrey "Keith" Loveday
- Tim Gillespie
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- Joined: Thu Sep 12, 2013 1:23 pm
- Location: Lancing, TN
Re: Event #2 Sound "Hall of Shame"
Doggone right it's dishonorable. A Cobra at less than 100dB 50 feet from the side is a crying shame. Carroll must be rolling over in his grave...MikeKelly wrote:Dishonorable mention (over 90): CAMC99, STM30, STS55, CAMS22
Anyway, it's good to know that my 3rd set of pipes finally gave me some breathing room on sound. Short of going undercar, I honestly don't know what else I could do.
Tim
My Factory Five Cobra build site: http://www.timsroadster.com
Re: Event #2 Sound "Hall of Shame"
I was thinking about it (again) on the way home - here is exactly what I need:MikeKelly wrote:joker717 wrote:Mike my car has that resonance sound you were talking about. If you want to test different sound testing procedures I would be willing to stay late or come early to an event so you could test it in my car.
If I could catch one of "those cars" on a chassis dyno and get a "fair" 50' reading out the back at 5000 to 6000rpm full throttle loaded.
I'd compare that to Pelli readings and I'd "know" more than I "know" now - I could at least say "this" out the side equals about "that" out the back...
We're catching the Cobras "letting it eat" - if they pass at Pelli, they can pass a 360 degree sound [w/quote]
Unfortunately I don't have access to a dyno sorry
J.R. Newman
2007 Maximus Prime
1989 Civic SI hatch #98
2007 Maximus Prime
1989 Civic SI hatch #98