Why are c4 warm inside?
Thread Starter
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Joined: Feb 2008
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From: TN
My 87 Corvette gets warm inside while driving, why?
I have an 87 that i just restored and started driving and it seems that when i am driving it gets a little warm inside almost like the heater is on low but is not. Is it normal for these cars to get warm inside while driving? If so what can i do to help the situation? Any advice?
Last edited by backtothe1980z; Oct 30, 2010 at 09:08 PM. Reason: spelling
Drifting
Joined: May 2002
Posts: 1,581
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From: The Motor City
C4s are quite warm inside, especially earlier C4s like your '87. It's normal. And if you think it's toasty now, just wait 'til the summer time!
There are heat reducing mat sets that install under the carpet which you can get. I don't know how well they work (I don't have one of these sets on my '89) but I imagine they make living with these cars MUCH more bearable. Later C4s had anti-heat matting factory installed.
There are heat reducing mat sets that install under the carpet which you can get. I don't know how well they work (I don't have one of these sets on my '89) but I imagine they make living with these cars MUCH more bearable. Later C4s had anti-heat matting factory installed.
Le Mans Master
Joined: May 2004
Posts: 5,389
Likes: 535
It's not just C4s but Corvettes in general. Apparently with the C6 Z06 you can put stuff in the center console and it gets very hot inside. It's present in all of them, just the newer models do a better job of hiding it.
Intermediate
Joined: Feb 2010
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From: carbondale PA
Burning Brakes
Joined: Oct 2009
Posts: 773
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From: Minneapolis MN
Is your heater set to the hottest setting even though the heater is off?My car gets hot inside if the temp. is set to the hottest position even if its hot.If set to the coldest setting its fine.Check setting
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Pro
Joined: Oct 1999
Posts: 515
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From: Nashua NH
Like Cuisinart said...you're sitting inches away from the transmission and exhaust; both of which generate tremendous amounts of heat. And if you think its hot in a Corvette, try driving a Viper...even with the A/C on max, those cars are hotter than he11. Not that I condone driving a Viper, I'm merely using it as a comparison tool...
Race Director
Joined: Apr 2003
Posts: 17,700
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From: moraga ca
Along with my C4, I have owned a C5Z06 and currently an 08 Z06. The last two are much hotter than the C4.
Safety Car
Joined: Jan 2004
Posts: 3,783
Likes: 15
From: Northern California
My black on black 91 Vette doesn't feel any hotter than any other car I've driven in the summer heat.
My 91 is warm in the winter and cool in the summer. I always use the Heater or AC to regulate the temps, no complaints here.
My 91 is warm in the winter and cool in the summer. I always use the Heater or AC to regulate the temps, no complaints here.
Safety Car
Joined: Nov 2008
Posts: 4,328
Likes: 15
From: Jacksonville FL
The car is made of molded INSULATION, once its hot its hard to cool off. Especially hot in FL during the summer with no A/C. I generally put my car up for the summer or only drive it occasionally at night. I also carry a sweat rag with me 
Le Mans Master
Joined: May 2006
Posts: 9,226
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From: Irvine Ca
let's see, you have this large oval aluminum box just under the passenger compartment.....inside that box is a matrix of screen mesh......that screen mesh is glowing hot while it converts unburned aromatic hydrocarbons into harmless gas......
insulate that oval glowing box from your car and you may have the answer.
Ask anyone that has removed their Cats.....it is much cooler in the passenger compartment and merely opening the windows is sufficient.........like the cars of the 70s.
insulate that oval glowing box from your car and you may have the answer.
Ask anyone that has removed their Cats.....it is much cooler in the passenger compartment and merely opening the windows is sufficient.........like the cars of the 70s.
Thread Starter
Advanced
Joined: Feb 2008
Posts: 56
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From: TN
let's see, you have this large oval aluminum box just under the passenger compartment.....inside that box is a matrix of screen mesh......that screen mesh is glowing hot while it converts unburned aromatic hydrocarbons into harmless gas......
insulate that oval glowing box from your car and you may have the answer.
Ask anyone that has removed their Cats.....it is much cooler in the passenger compartment and merely opening the windows is sufficient.........like the cars of the 70s.
insulate that oval glowing box from your car and you may have the answer.
Ask anyone that has removed their Cats.....it is much cooler in the passenger compartment and merely opening the windows is sufficient.........like the cars of the 70s.
Thread Starter
Advanced
Joined: Feb 2008
Posts: 56
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From: TN
Burning Brakes
Joined: Jun 2008
Posts: 892
Likes: 1
From: New Smyrna Beach Florida
You don't have AC or just don't want to get it fixed? Just wondered!!!
Safety Car
Joined: Dec 2008
Posts: 3,588
Likes: 10
From: North New Jersey
mine does the same, if u have it on 90 even if it's off it will throw some heat, but if u put it down, it doesnt throw the heat anymore... Im glad its not just my Vette! 
Thread Starter
Advanced
Joined: Feb 2008
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From: TN
Well i found out why i was getting so much heat. The cable that connects from temperature controller to the temperature box underneath the passenger dash was rusted and stuck on heat. So i used WD40 and fixed it and now the cable moves freely. Man what a difference now, nowhere near as hot. Much cooler.
