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  #1  
Old April 21st 2011, 05:29
SilverBullet SilverBullet is offline
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How quiet is your interior?

For you guys whos interior is like lexus quiet, can you hear the engine whist driving? Want to pad up the car!
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Old April 21st 2011, 08:51
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Surround the engine with a concrete block! It maybe just me but I like to be involved with my cars' mechanicals both tactily and aurially. A Lexus is the last vehicle I would buy for this very reason.

The trouble with the transmission of NVH is that most of itin a car is structure borne so that isolating the source from the structure invariably means squidgy rubbers evrywhere that will reduce my tactile connectivity (its big word Thursday).
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Old April 21st 2011, 17:07
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I like the engine noise, but I don't like wind noise, so one thing I did that made a major difference is I put a strip of self-adhesive weather strip up the leading edge of the door sill and the door, so that when closed it made a secondary seal. It made a huge difference and made a high speed drive quite a bit more pleasant.

jason
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Old April 22nd 2011, 05:39
SilverBullet SilverBullet is offline
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Thats a good idea Jason, irritating the wind noise. I like the metallic sound of the engine too but its for my 2nd car which my wife will be driving.
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Old July 23rd 2011, 09:21
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Gerrelt Gerrelt is offline
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Quote:
Originally Posted by volkdent View Post
I like the engine noise, but I don't like wind noise, so one thing I did that made a major difference is I put a strip of self-adhesive weather strip up the leading edge of the door sill and the door, so that when closed it made a secondary seal. It made a huge difference and made a high speed drive quite a bit more pleasant.

jason
Thanks for this tip, Jason. A few weeks back we went on a weekend holliday with the beetle, we (wife + 2 kids) visited Sauerland, Germany.
Before we left, I did this:


It looks like crap, but that really helped! At 130 km/h (80mph) I could still have a conversation with my wife without having to shout!
The white strip looks terrible, so I am still looking for black versions of these foam strips. Then I want to put one all the way from the top of the door to the bottem of the door. That will not look bad at all, I think.

A sample of the noise at 150 km/h: Youtube video
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Old July 25th 2011, 06:51
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Good idea Jason/Gerrelt. I was thinking that I could wear ear defenders in the bug so that I couldn't hear the car noise but most importantly the wife!!. I can then use the excuse that the bug makes too much noise for any conversation - Whoopee.

Clive
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Old July 25th 2011, 08:12
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Gerrelt, you made my day

I've got alot of insulation in my bug and the Subaru engine runs alot quieter than VW the problem I also have is wind noise and it nearly all comes from that same area.

I hadn't thought of sealing foam in the gap
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Old April 22nd 2011, 10:34
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NO_H2O NO_H2O is offline
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I used almost 5 rolls of dynamat when I put my car together. It is far from "Lexus" quiet. I still hear and feel the drivetrain. But I like that. I can still hear the stereo well and have a conversation while driving. The doors sound nice and solid when you shut them. But I am still very connected to the drivetrain when driving. I do wish I had known about "Lizard Skin" when I built the car. I would have used it instead of the mat.
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Old April 22nd 2011, 11:12
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After I installed my watercooled engine, I noticed the windnoise was louder at 120 km/h then the engine noise.
The windnoise is coming from the front windscreen.

I read in a aerodynamics book that factory aero mods at the front are mostly meant for noise reduction, and aero mods at the back are drag/lift reduction.

I did some changes, and that lowered the wind noise. It's not totally gone yet, but I think that will be nearly impossible with our 1930's based design.

I will try the extra weather strip, Jason suggested.

These are my mods uptill now:

- Raingutter Fillers / A pillar deflectors
- Vitaloni mirror
- Antenna delete

Another mod that I am planning is adapting blade-type windscreen wipers.
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Old April 24th 2011, 00:21
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DORIGTT DORIGTT is offline
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I'd be happy with a Ghia w/o too much wind noise.

Engine noise...GOOOOOOD!
Wind noise.....BAAAAAAAD!
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