does the hesian stuff with a black outer layer have another purpose other than "noise reduction" and is it required? it is in the engine bay...that stuff is horrible

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I have a problem.. apparently

yea mate, it's sole purpose is to retain moisture and rust the hell out of your firewall....oh hang on, that's what it did to mine....

I removed mine, and will replace it with something on the INSIDE of the cabin, so it doesn't do the above.

you can get rid of it....it's just sounds deadener and thats about all it does i tihnk

haha yeah mines got some rust under it too does it actually reduce sound at all? it doesnt seem as though it would, its throughout the whole damn car i hate it cos it reacts with my hayfever, i bought this tar based body deadener stuff wich is hopefully the right thing.....im going to cover the floor and wheel arches on the inside and also the wheel arches on the outside, and the fire wall, oh and the bottom of the rear seat. what have other people useed?

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I have a problem.. apparently

On roundnose Minis it covers up the big hole in the firewall, in front of the speedo. You can fit an early Clubbie cover, or screw a lump of sheet metal on there instead. I did this with some aluminised soundproofing stuff, it helps but the Dellorto carb is still bloody loud.. what? I can't hear you...
Next time the `dash' trim is out I'll glue some on the inside of firewall as suggested.

Oh the other reason for that `felt' stuff is to fall apart and clog your air filter up..

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

I'm pretty sure the original sound deadener on the firewall is quite effective. My car had none, but I put some vinyl on (more to tidy up the engine bay than lessen sound) and even just a single layer of vinyl quietened the interior... unfortunately! I prefer it loud, but the firewall was looking a bit worse for wear.

Since my little "oil spill" of a few weeks ago, I've had NO insulation in there at all, nothing on the firewall (mine never had any anyway..68 model) and no dash mats nothing....

Its a little "noisy" in there at the moment.....

Kev, can i use the clubbie cover if i gut a hole and use a grommet for all my Carbon ? (sorry, meant wiring.... )

Cheers
J

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Yeah just cut a slot in the bottom for the speedo cable, another for the wiring. Bung some speaker wadding (a.k.a. polyester pillow) in there before you close it up.
Mine just has a piece of colorbond shaped to clear the Ramflo filter by a BFH, and held on with 4 self tappers...
Cables are underneath it.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

im still wondering what BFH is... i keep on reassuring myself its "Big F*cking Hammer"

i think thats the way i want to keep it. dont spoil it for me
just wait until i talk to the refined Duke of Ermington about his Diamler and try explain how to remove the dent on his door...

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Inconspicuously Conspicuous
Appreciation without Depreciation
forever chasing clearer skies...