FRC-Noisier than regular coupes?
Thread Starter
Race Director
Joined: Nov 2004
Posts: 15,678
Likes: 1,097
From: birmingham Alabama
St. Jude Donor '09 and '13
FRC-Noisier than regular coupes?
I just took possession of a 2000 FRC with 18000 miles.It seems to have
alot more road noise than my previous C5 coupe. What is the reason?
The car has Yokohama tires, not the Goodyear run flats. What is the deal? I love the car, but it does seem a bit noisy, and it gets louder as speeds increase.To me it sounds like the rear end.
alot more road noise than my previous C5 coupe. What is the reason?
The car has Yokohama tires, not the Goodyear run flats. What is the deal? I love the car, but it does seem a bit noisy, and it gets louder as speeds increase.To me it sounds like the rear end.
Team Owner
Joined: May 2001
Posts: 36,836
Likes: 244
From: Dear Karma, I have a list of people you missed.
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16
Hardtops are known for this. I removed all my rear carpeting and made liberal use of Dyna-Mat. I used the thicker stuff on the horizontal surfaces (3/16"?) and the 1/6" stuff on the vertical surfaces. I also installed a separator panel. This made a very big difference. HTH
Robert
Robert
Thread Starter
Race Director
Joined: Nov 2004
Posts: 15,678
Likes: 1,097
From: birmingham Alabama
St. Jude Donor '09 and '13
I don't think the car has any mechanical problems. It only has 18000 miles on the clock and drives very good. My coupe was not this loud though. I think it must have something to do with the body style and lighter weight. I am ordering the partition very soon.
Thanks for the replies.
Thanks for the replies.
Intermediate
Joined: Feb 2005
Posts: 35
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I can only say my Z06 (FRC) is loud simply because of lack of sound deadening material. I dont know if the regular FRCs had the lack of sound deadening as the Z06 does but I would expect it got the same treatment for weight savings..
Team Owner
Joined: Sep 1999
Posts: 20,054
Likes: 44
From: Swansea IL
Here's what's under your carpet in an FRC/Z06:
You can add a trunk partition like this
Or go the next step and add some DynaMat like this:
After these two mods my modded Z06 is quieter than my 99 coupe.
For what it's worth here's what GM has to say on this issue:
Quote - Acoustic package revised to reduce weight and allow more aural feedback of the powertrain - Unquote
Tom
You can add a trunk partition like this
Or go the next step and add some DynaMat like this:
After these two mods my modded Z06 is quieter than my 99 coupe.
For what it's worth here's what GM has to say on this issue:
Quote - Acoustic package revised to reduce weight and allow more aural feedback of the powertrain - Unquote
Tom
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Thread Starter
Race Director
Joined: Nov 2004
Posts: 15,678
Likes: 1,097
From: birmingham Alabama
St. Jude Donor '09 and '13
Tom,
Great post. I really appreciate the detailed information. I am ordering the partition, and you are right, my coupe was not near as noisy.The car is in such excellant shape with such low mileage, I did not think anything was wrong. I just wanted to make sure.
Thanks again.
Great post. I really appreciate the detailed information. I am ordering the partition, and you are right, my coupe was not near as noisy.The car is in such excellant shape with such low mileage, I did not think anything was wrong. I just wanted to make sure.
Thanks again.
Drifting
Joined: Jun 2000
Posts: 1,335
Likes: 0
From: Northwest Suburbs of Chicago IL
Originally Posted by AFVETTE
Here's what's under your carpet in an FRC/Z06:
You can add a trunk partition like this
Or go the next step and add some DynaMat like this:
After these two mods my modded Z06 is quieter than my 99 coupe.
For what it's worth here's what GM has to say on this issue:
Quote - Acoustic package revised to reduce weight and allow more aural feedback of the powertrain - Unquote
Tom
You can add a trunk partition like this
Or go the next step and add some DynaMat like this:
After these two mods my modded Z06 is quieter than my 99 coupe.
For what it's worth here's what GM has to say on this issue:
Quote - Acoustic package revised to reduce weight and allow more aural feedback of the powertrain - Unquote
Tom
wheel wells
Wayne
