T25 engine bay insulation ??

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Twodogs
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T25 engine bay insulation ??

Post by Twodogs »

I have just removed the under engine cover from my 1984 T25, given it a damn good clean and am looking to repaint it and refit.
I may need to replace the shaped foam sound insulation.

Is there a supplier for these items ?

Alternatively if I have to cut it myself can I get away with aluminium backed house insulation or is there a specific grade for vehicles?

Thanks for any advice

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Ian
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rick
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Re: T25 engine bay insulation ??

Post by rick »

dont know what an under engine cover is? mines Aircooled.

but ive read in another post that tri iso is flamable. i will check out kingspan for you when i get back to work monday but its not even slightly flexible.
im gonna have to check out what a under engine plate is now.

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Re: T25 engine bay insulation ??

Post by jason k »

the stock insulation is flammable, i know cos mine caught fire on my first wedge!!!
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rick
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Re: T25 engine bay insulation ??

Post by rick »

im not that familiar with water cooled arrangements. i suppose most things are flamable depending how close they are to exhaust systems etc, just not to sure about employing building products for the job. i can test an offcut of kingspan (foil backed insulation) with direct heat on monday.

will post my findings up here :ok

waltraud
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Re: T25 engine bay insulation ??

Post by waltraud »

I would use somthing like closed cell foam with a fire retardant and perhap one side aluminised to reflect heat? Thre is a firm on south east London that make what they cll I think LSP 507 which is this type of product. When exposed to heat its fine, if exposd to flame it simply crumbles into a charred substance that will not ignite. Very good for sound and heat insulation with fire retardant qualities. I'll check the company name.

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pmulcahy
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Re: T25 engine bay insulation ??

Post by pmulcahy »

I need this too, mine is Aircooled. I always thought it was sound deadening?
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Twodogs
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Re: T25 engine bay insulation ??

Post by Twodogs »

Hi & thanks to everyone for the replies to my post. I'll follow up later in the week & post any additional info I find.

RIcj&Ang - I've posted a photo of the under engine cover - it keeps the road crud of the engine. You can see the two pieces of foam that I need to replace.

[img][/Users/apple/Desktop/DSCF0957.JPG]
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windysurfer
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Re: T25 engine bay insulation ??

Post by windysurfer »

Just read another post where somebody used 32mm quitelife from this site
http://www.asap-supplies.com/toc.php?ma ... %session%%
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Twodogs
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Re: T25 engine bay insulation ??

Post by Twodogs »

Soory, I aeem to have had a brain fart and left the image off from my last post.

Here it is again:
I know I left it here some where

Smroot
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Re: T25 engine bay insulation ??

Post by Smroot »

I just took my splash guard off to replace the muffler and check the engine mounts. There was some foam insulation on the side of the oil and fuel filters. It was hard to know what it originally looked like because it was soaked with oil/diesel fuel. Under that it was seriously rusted through. I mended it with some sheet aluminum but left the insulation out. I can't work out what it is doing there in the first place.

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