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quick question.underhood lining important at all?

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Old 05-23-04, 07:23 AM
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quick question.underhood lining important at all?

Ok so while I was working on my car yesterday it was very windy and the lining that is on the underside of the hood is halfway hanging off right now because the wind managed to blow the damn thing off.What is its purpose? Im thinking heat insulation.But wouldnt you want the heat to escape? So I guess the question is.Can I remove it and not screw something up? Like the paint on top of the hood since there would be less protection from the roatary's heat? Thanx.
Old 05-23-04, 08:47 AM
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basically it will allow your hood to get hotter and the paint will fade quicker or wont last as long

it also serves as a fireblanket. the pins that hold it in melt off in a fire and its supposed to fall on the entire engine bay and help to smother a fire. I dont think it works too well though cause ive seen a few fire fds

if its falling apart I say take it off. It will take a long time to notice the effects of the heat on the hood
Old 05-23-04, 09:33 AM
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I took mine off couple days ago. It made the engine a little louder but whats wrong with that It also cleans the appearance up a tad aswell. I say take it off.


Just wax your hood more often. I think the extra heat might kill the wax faster.
Old 05-23-04, 10:15 AM
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thanx guys for the advice.really appreciate it.
Old 05-23-04, 10:20 AM
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I've recently took mine off also, I heard from someone who's had theres off for years with no problems..
Old 05-23-04, 12:14 PM
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Mine's been off for god knows how long. The paint UNDER the hood is kinda gone where the engine sits, but the paint on the surface of the hood was unaffected from the heat. That was also after 5-6 years of it not being there im sure
Old 05-23-04, 12:45 PM
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guess mine is coming off too...
Old 05-23-04, 01:01 PM
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Mine fell off a long time ago. Fell apart where the plastic plugs that held it up ripped away from the cover. Screw it, I say just go get an aftermarket hood
Old 05-23-04, 01:25 PM
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I haven't used one for 3 years ...
Old 05-23-04, 06:38 PM
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if anything it may help reduce some heat.Since it wont be trapped in the engine bay.
Old 05-23-04, 07:42 PM
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The insulator makes the engine sound quieter and it with it in place your wax won't burn off of the hood within a few days.
Old 05-23-04, 11:22 PM
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I have been thinking of taking mine off and replacing it with some fire-proof, reflective material from Summit.

BTW, mine had an engine fire before I bought it and the lining is toast but the clips are still in perfect shape, go figure
Old 05-23-04, 11:37 PM
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I think mine was replaced at some point in my cars 11 years. The only reason I think this is because it did a great job of covering up old fire damage!
Old 05-23-04, 11:42 PM
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WTF? I just posted here and it came up as john95rx7? Why the hell would it do that?
Old 05-24-04, 04:03 AM
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mine was hanging

if yours is hanging by a few threads get rid of it. if it comes apart and gets into the pulleys i imagine it could make a mess? i have been without it for 2 yrs now with no problems with paint or noise
Old 05-24-04, 11:20 AM
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The hood gets hot enough with the insulator on there. Without it, the hood will get really hot. There's no way I'm removing mine. If its missing, or in bad shape, I say replace it.
Old 05-24-04, 11:26 AM
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Originally posted by travisorus rex
WTF? I just posted here and it came up as john95rx7? Why the hell would it do that?
That happened to me the other day, too. I was just surfing and I go to my PM's and I realized I was logged in as someone else. I had to logout and log back in. Kinda odd...
Old 05-24-04, 12:41 PM
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It's no wonder we have so many POS FD's around. All of them are at least 10 years old now and there are things that will need to be replaced on occasion!

It's ridiculous.
Air conditioning leaking? Don't fix it, remove it.
Power steering problems? Don't fix it, remove it.
ABS pump bad? Don't fix it, remove it.
Fluid leaks? As long as the car won't catch fire they're fine.
Diff bushings shot? Don't fix it, add a diff brace.
Engine mounts shot? Don't fix them, add an engine brace.
Hood insulator worn through? Don't fix it, trash it.


Spend some money and fix the car right. I can't count the number of FD's I have seen where the owner has spent thousands and thousands of dollars to mod the car and yet the car is in terrible mechanical condition and the mod work looks like it was performed by monkeys with hammers. People are only interested in building paper cars: On paper the mod list looks impressive and it may even go fast. In person it looks like a POS that may go fast but god knows I would never wish to drive it that way for fear of my life.
Old 05-24-04, 01:01 PM
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I think of it this way: it adds a bit of weight, although not much. Mazda's engineers, who were interested in saving weight, decided that it's more of a benefit to have that hood liner in there, than save those few ounces. So because of that, I think it's safe to assume that it serves a purpose, and is worth having on there.

Until you find out the EXACT reason that Mazda put that thing on there, I would leave it on. The internet tends to make people seem smarter than they really are, don't take everything on here as absolutely true just because someone who has posted hundreds of messages on the RX7Club says so.


Good luck,
-s-
Old 05-24-04, 01:10 PM
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Originally posted by teamstealth
Mine's been off for god knows how long. The paint UNDER the hood is kinda gone where the engine sits, but the paint on the surface of the hood was unaffected from the heat.
Ditto. It has yellowed the underside of my hood some, but I'm not going to bother replacing it, as I plan to switch hoods for a vented unit anyway.
Old 05-24-04, 03:15 PM
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I removed mine about a month ago because it was in such trashy shape. It will probably affect the paint in the long run, but I will be getting a vented hood within the next few months.
Old 05-24-04, 05:40 PM
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Originally posted by DamonB
It's no wonder we have so many POS FD's around. All of them are at least 10 years old now and there are things that will need to be replaced on occasion!

It's ridiculous.
Air conditioning leaking? Don't fix it, remove it.
Power steering problems? Don't fix it, remove it.
ABS pump bad? Don't fix it, remove it.
Fluid leaks? As long as the car won't catch fire they're fine.
Diff bushings shot? Don't fix it, add a diff brace.
Engine mounts shot? Don't fix them, add an engine brace.
Hood insulator worn through? Don't fix it, trash it.


Spend some money and fix the car right. I can't count the number of FD's I have seen where the owner has spent thousands and thousands of dollars to mod the car and yet the car is in terrible mechanical condition and the mod work looks like it was performed by monkeys with hammers. People are only interested in building paper cars: On paper the mod list looks impressive and it may even go fast. In person it looks like a POS that may go fast but god knows I would never wish to drive it that way for fear of my life.
In a fuggin' nutshell....
Old 04-17-05, 04:41 AM
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I was wondering... mine is gone as well.... I'm trying to find a replacement and I saw the dynomat company had hood liners that reduce engine noise up to 50% and reflects heat like 70% or something like that..... I want my engine to be quiet....
has anyone have any experience on this???
Old 04-17-05, 04:59 AM
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heh, i didn't even know FDs had one! apparently i bought mine without it after reading this thread
Old 04-17-05, 02:25 PM
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Is there a place where you can buy new ones? Mine has burn marks and I don't know how long it wil last.


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