Hood Insulation

driller

El Presidente
Staff member
One of the gazillion details I need to take care of in spring detail of the Blue Flame is the hood insulation. After 14 years of service, the black is not really black anymore and somewhat stained in places.

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I was thinking of perhaps carpet dye?

Any ideas?
 
I'm not sure if the carpet dye would work but you could try it on a small peice first.

Also, you could just use black spray paint from a rattle can. You just need enough to coat the outside. It works great.
 
I would go with Black Spray paint as well. Clean the insulation first to make sure you don't have any loose dirt hanging around and spray away. At $3 a can you really can't go wrong. Or you can use BBQ Grill paint since there are going to be high temps involved.
 
Even painting it won't help in the long run as salts and such will still seep out. Also keep in mind that the insulation isn't just for insulation. In the event of a fire it's designed to drop and smother the flames, if it's painted it may make things worse!

Why not just get a new one? I assume they are still available? If not, the material sure is and you can cut it to fit.
 
The BBQ paint is good for over 500F, far exceeding any engine bay temperatures.

Much cheaper than getting a new one or dealing with getting the correct fire resistant materials.
 
I just need a short term fix. I'm also considering having the hood painted, again. :eek:

Longer term solution is a new Cobra style hood with DEI reflective hood insulation.
 
The BBQ paint is good for over 500F, far exceeding any engine bay temperatures.

Much cheaper than getting a new one or dealing with getting the correct fire resistant materials.

Leo's right, the BBQ paint might be good up to 500F, but if the engine is actually on fire, it'll be up a lot higher than 500F.
 
Why not toss it? Lose some weight, and let some heat out through the hood.

Not good either. The insulation also acts to protect the paint on the top of the hood. If removed, the paint would deteriorate over time due to elevated temps. We've all seen some cars (lot of ricer guys) with really degraded paint just on the hood, and not anywhere else on their car. This is usually because they removed the hood insulation thinking they would get some sort of performance benefit.
 
Leo's right, the BBQ paint might be good up to 500F, but if the engine is actually on fire, it'll be up a lot higher than 500F.

If the engine is on fire the the BBQ paint will cause only minor additional damage if any at all.

The hood is simply going to melt-away and the car will be totalled.
 
Not good either. The insulation also acts to protect the paint on the top of the hood.

Thats what I was gonna say :) Imagine what that paint is going to look like after a year of driving with no insulation and no way for the heat to escape.(besides radiating THROUGH the hood/paint)

I would suggest the spray paint vs. the carpet dye because the spray paint isn't going to be a catalyst if the engine is on fire....the dye SOAKED insulation is going to fuel it WAY more than 2 coats of spray paint on the outside.

Honestly, I was just going to tell you to get a sharpie.
 
The underhood insulation does nothing to protect the paint on the hood... I have had mine off my 95 LSC for years with no problems at all. Also, took it off my 98 LSC about a year ago, it looks much cleaner.
 
Riiiiigghhht. :) Its nothing you're going to notice right away(took 6-8 years for Craigs to fade from the sun with EXTRA care), I won't be suprised when the black paint(or clear) on your hood starts to fade. Paint is "cured" by heat from the outside, NOT the inside so having that much heat on your paint all the time isn't going to be good for it. Your 95 was white...much harder to notice. Oh well...I guess its a matter of opinion, I definitally won't do it on my car, and I have vents in my hood to extract heat.
 
I wouldn't worry too much about the extra heat "burning" the paint off. It's not like there's a turbo in there. Just pull the insulation and call it a day.
 
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