Hood Insulation?
Thread Starter
Safety Car
Joined: Jul 2005
Posts: 3,572
Likes: 9
From: Jackson Tn
St. Jude Donor '06-'07-'08-'09
Hood Insulation?
I'm sure this has been discussed before but I do not see any reason to have this with a high performance engine. If we do all we can to get the heat out of the engine compartment then why would we want to have this under the hood? I can understand the factory supplying this for a stock engine to help hold in heat for cold weather.
What are your thoughts? I think I'm going to take mine out.
What are your thoughts? I think I'm going to take mine out.
Melting Slicks
Joined: Mar 2005
Posts: 2,891
Likes: 4
From: North Port Fl
I have been running without one for a year, and have notice no difference in noise, heat, ect. I removed it to install a custom pad and have never finished the custom pad.
In case you saw the Michigan address I'm in Fl for the winter right now so it is being driven not stored.
In case you saw the Michigan address I'm in Fl for the winter right now so it is being driven not stored.
Tech Contributor
Joined: Jan 2007
Posts: 19,245
Likes: 1,092
From: Dyer, IN
I'm sure this has been discussed before but I do not see any reason to have this with a high performance engine. If we do all we can to get the heat out of the engine compartment then why would we want to have this under the hood? I can understand the factory supplying this for a stock engine to help hold in heat for cold weather.
What are your thoughts? I think I'm going to take mine out.
What are your thoughts? I think I'm going to take mine out.
It's your car.....if you want to rip it out...then do it....you don't need anyone's blessing.
Thread Starter
Safety Car
Joined: Jul 2005
Posts: 3,572
Likes: 9
From: Jackson Tn
St. Jude Donor '06-'07-'08-'09
Tech Contributor
Joined: Jan 2007
Posts: 19,245
Likes: 1,092
From: Dyer, IN
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Race Director
Joined: Jan 2006
Posts: 10,554
Likes: 33
From: Not on either liberal coast.
Here's my theory...they're mainly for sound insulation to reduce annoying noises coming into the cabin. Any insulation that reduces noise and heat getting into the cabin (like the firewall pad and carpet under pads) makes the occupants more comfortable.
In days of old, owners didn't enjoy hearing the roar of incoming air into an un-silenced air cleaner and other engine noises. And it protected paint from carburetor backfires. Now they're probably more like ashtrays...some old habits are just hard to break.
The "fire retardant" theory probably applied more to the carburetor generations of cars than fuel injection. And how long would it take for the perimeter plastic fasteners to melt allowing the insulator to fall and smother a flame? The insulator already sits right on top of the motor with the hood closed as it is.
Someone ask "Evil-Twin" for the definitive answer...
In days of old, owners didn't enjoy hearing the roar of incoming air into an un-silenced air cleaner and other engine noises. And it protected paint from carburetor backfires. Now they're probably more like ashtrays...some old habits are just hard to break.
The "fire retardant" theory probably applied more to the carburetor generations of cars than fuel injection. And how long would it take for the perimeter plastic fasteners to melt allowing the insulator to fall and smother a flame? The insulator already sits right on top of the motor with the hood closed as it is.
Someone ask "Evil-Twin" for the definitive answer...
Last edited by hotwheels57; Feb 17, 2010 at 11:26 AM.
Racer
Joined: Feb 2008
Posts: 457
Likes: 34
From: Hamilton Montana
Mine got tattered when I threw a belt. 
(I had a crank pulley that separated.) I can't see any way to fix it, so I'll probably just take it off. If I can ever save up enough money for a Maggie, I think I'm gonna do the "Hole in the hood" mod anyway.
(I had a crank pulley that separated.) I can't see any way to fix it, so I'll probably just take it off. If I can ever save up enough money for a Maggie, I think I'm gonna do the "Hole in the hood" mod anyway.
Thread Starter
Safety Car
Joined: Jul 2005
Posts: 3,572
Likes: 9
From: Jackson Tn
St. Jude Donor '06-'07-'08-'09
I'm going to bet hotwheels is probably real close to the answer.
where's Evil-Twin?
Melting Slicks
Joined: May 2004
Posts: 2,103
Likes: 4
From: Oakley CA
same thing happened to me. Took the liner off, no problems yet.
Racer
Joined: Sep 2008
Posts: 252
Likes: 0
From: San Antonio Texas
Mine's all dirty and tattered up. It looks nice new, but then again I've seen some without it that look clean as well. Wondering if I could get away without mine.
Last edited by Texas Dave; Jun 16, 2010 at 03:13 PM.
Racer
Joined: Feb 2004
Posts: 348
Likes: 6
From: Las vegas Nevada
Hood insulation
Took mine off two years ago to paint the logo, I have a 98. Found out that GM didn't paint the insider of the hood. If you take it off, be prepared to paint. Cuz it looks bad without the liner.
