Hood insulation - Keep in/or take out??
04-22-2003, 10:23 PM
#1
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Car: 1991 Z28
Engine: 5.7 TPI
Transmission: 700R4 w/2600 stall
Axle/Gears: 3.73
Hood insulation - Keep in/or take out??
I was just looking for some opinions on the above subject. My Z still has the insulation & I if I was to remove it, I believe it would have a better disapation of heat, but are there any negative side effects of doing this??
04-22-2003, 10:39 PM
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Car: 1990 GTA
Engine: L98 5.7 L
Transmission: 700R
Axle/Gears: 3.45 9 Bolt
I don't have the insulation under the hood, and I can tell you that the engine noise is much more noticeable. They say that if you have headers, that the excessive heat could blister the paint on the hood itself. I just put headers on last fall, so I couldn't tell you if that is true or not. So far, so good.
04-23-2003, 02:08 AM
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Car: 1992 Camaro Z28 Anniversary Edition
Engine: 305 TPI
Transmission: Borg Warner 5-Speed
one person pointed out a while ago that the real reason behind the insulation was incase your engine caught on fire, the insulation would fall over-top the engine and put out the fire...
04-23-2003, 08:10 AM
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Car: 85 Monte Carlo SS...
Engine: T.P.I L98.
Transmission: TH350
Axle/Gears: 3:73 Posi
If it is still in great condition , I would leave it. If it is ratty and torn..yank it out. It weighs next to nothing so it really isn't a weight saver, and it is to protect the hood form heat. But it most likely will do no harm without it....
04-23-2003, 10:06 AM
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Car: 85 iroc z
Engine: LG4 :(
Transmission: 5 speed
Originally posted by easySPEEDcamaro
one person pointed out a while ago that the real reason behind the insulation was incase your engine caught on fire, the insulation would fall over-top the engine and put out the fire...
one person pointed out a while ago that the real reason behind the insulation was incase your engine caught on fire, the insulation would fall over-top the engine and put out the fire...
I yanked mine a couple of years ago because it was ratty and torn, I have noticed the hood is hotter after running it but have not had any problems with it. I also just put headers in the late summer and haven't seen the paint blister but i haven't run it too hot either.
04-23-2003, 10:13 AM
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Car: 83WS6TA
Engine: ZZ4
Transmission: TH350C
Axle/Gears: 3:23
Yeah - by the time the plastic clips holding the insulation got hot enough to melt so it could drop the car would be long gone.
I remove that insulation from any vehicle that I want to keep for a long time so that I can see if there's corrosion developing under the hood.
I have headers also and have had no problems with the paint.
I remove that insulation from any vehicle that I want to keep for a long time so that I can see if there's corrosion developing under the hood.
I have headers also and have had no problems with the paint.
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