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11-06-2021, 09:18 PM
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#1 |
 Drives: '86 IROC-Z '18 ZL1 Join Date: Jul 2019
Location: Arizona
Posts: 734
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1st track day in the books, but failed sound. where to get turndowns
So I had my first track day today and it was a blast! Unfortunately after my 3rd session was over they said I failed sound (96db limit). Is there any recommendations for turndown pipes? They said I hit 99db.
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11-07-2021, 06:10 AM
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#2 |
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11-07-2021, 07:17 AM
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#3 |
Drives: 2017 SS 1LE Join Date: Oct 2015
Location: San Ramon, Ca
Posts: 550
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John L
-------- Prior Cars: 91 Z28, 02 SS, 03 Z06, 15 SS 1LE, 17 SS 1LE, 04 Z06, 17 C7 Grand Sport |
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11-08-2021, 10:53 AM
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#4 |
          
Drives: 2016 1ss camaro Join Date: Feb 2016
Location: 909
Posts: 9,817
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eric kennel can probably help you get some
__________________
 16 1SS NIGHTFALL GRAY METALLIC WITH NPP #BECAUSERACECAR #SAVETHEMANUALS |
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11-08-2021, 11:36 AM
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#5 |
 
Drives: Tracks: 18' ZL1 1LE Join Date: Mar 2018
Location: Irvine, CA --> ATX
Posts: 141
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I avoid tracks with sound limit. I do not support that crap. You're a damn race track for F sakes.
__________________
18' ZL1 1LE Red Hot track toy
Castrol SRF Ported TB/Rotofab dry intake AWE Track w/PLP APR GTC300 wing / Singular Endplates ASC Splitter / PA tunnels MFR Engineering Custom Diffuser Race Louvers Fender Vents APEX SM10 & ARC8 For sale: 2018 OEM ZL1 1LE Wing 12' Nissan GT-R SOLD |
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11-08-2021, 12:00 PM
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#6 |
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Rayvan
Drives: 2018 1SS1LE, Silver Ice Metallic Join Date: Dec 2018
Location: San Jose, CA
Posts: 275
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In my own experience, turnouts are only good for 1/2 db at best. After I blew sound at Laguna (with the turnout extensions), I simply learned where the sound-booth is, and now I just back off the throttle as I go by the booth.
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11-08-2021, 02:11 PM
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#7 |
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Give speed a chance
Drives: 2015 Camaro 2LS, 2015 Camaro Z/28 Join Date: Nov 2019
Location: Mesa, Az
Posts: 2,233
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In my opinion do whatever it takes to make sound at AMP! I've done 3 track days there and I really like the track layout and the facility. It's pretty easy to put on the MacGyver cap and make your own turndowns with parts from Autozone or any of the other parts places. There's a "Platinum" day at AMP this Friday (12th) morning from 8-12. If you have a chance go out there and find out what the other folks are using. I've seen a few ZL1 guys running with "extra plumbing". In the pic you can see a Mustang (parked next to my C5) with some pretty big 90 deg turns. The "rule" at AMP is turn them to the right and slightly down.
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2LS: a TREMENDOUS machine. Z/28: it's a BIT MORE POWERFUL, of course.
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11-08-2021, 02:18 PM
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#8 | |
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Drives: 2016 1ss camaro Join Date: Feb 2016
Location: 909
Posts: 9,817
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Quote:
i agree never been to thill or sonoma or laguna seca lol thank god no socal tracks have those that sounds horrible...
__________________
16 1SS NIGHTFALL GRAY METALLIC WITH NPP #BECAUSERACECAR #SAVETHEMANUALS |
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11-08-2021, 02:28 PM
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#9 | |
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Drives: '86 IROC-Z '18 ZL1 Join Date: Jul 2019
Location: Arizona
Posts: 734
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Quote:
The few sessions I got in before getting tagged for sound, I had alot of fun. The track seems like its really fun as I watched other classes race in my down time. A plus is I live 10 mins from there too. The sound does suck, but there were a few cars ALOT louder than me and somehow they passed, but I know alot had those turndown things on. I just have to find who ever it is that has the turndowns locally. |
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11-08-2021, 02:29 PM
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#10 | |
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Drives: '86 IROC-Z '18 ZL1 Join Date: Jul 2019
Location: Arizona
Posts: 734
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Quote:
I agree. Its dumb. Specially since the track literally bumps up against 1 of the runways of the air force base (Luke a.f.b.) |
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11-08-2021, 08:56 PM
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#11 |
 
Drives: Chevrolet Camaro, Ford Mustang Join Date: Oct 2019
Location: AZ
Posts: 388
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AZIROC, apologies I was out of town at SEMA. Damon humphries is the wizard with making them… I’ll text you details.
Best regards, Super Dave
__________________
2022 SS 1LE - Vivid Orange - SCCA CAM-C & Optima Ultimate Street Car GT
Katech, MSD, QA1, Hurst, Anderson Composites, ProParts USA Custom Suspension, MFR Engineering, Forgeline Wheels, G-Loc Brakes, Nine Lives Racing, MTX Audio, Penske Rapid Repair |
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11-08-2021, 09:39 PM
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#12 | |
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Drives: '86 IROC-Z '18 ZL1 Join Date: Jul 2019
Location: Arizona
Posts: 734
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Quote:
Lol. I think I just got done chatting with u on FB. |
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11-09-2021, 10:39 AM
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#13 | |
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Drives: 2016 1ss camaro Join Date: Feb 2016
Location: 909
Posts: 9,817
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Quote:
thats the one and only super dave!
__________________
16 1SS NIGHTFALL GRAY METALLIC WITH NPP #BECAUSERACECAR #SAVETHEMANUALS |
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11-09-2021, 02:07 PM
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#14 | |
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Drives: Tracks: 18' ZL1 1LE Join Date: Mar 2018
Location: Irvine, CA --> ATX
Posts: 141
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Quote:
__________________
18' ZL1 1LE Red Hot track toy
Castrol SRF Ported TB/Rotofab dry intake AWE Track w/PLP APR GTC300 wing / Singular Endplates ASC Splitter / PA tunnels MFR Engineering Custom Diffuser Race Louvers Fender Vents APEX SM10 & ARC8 For sale: 2018 OEM ZL1 1LE Wing 12' Nissan GT-R SOLD |
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