W211 AMG Discuss the W211 AMG's such as the E55 and the E63
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LOUD supercharger whine

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Old 04-06-2009, 11:22 PM
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2003 W211 E55, 2003 W220 S600
Originally Posted by ECBAOBAO
what are the pros/cons of leading the pipes all the way to the front as opposed to that pic?
well if the filter are all the way in the front they will not be heat soaked with the engine.

man the setup in the pics looks sexy thank you brisco
Old 04-07-2009, 12:06 AM
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Originally Posted by shardul
well if the filter are all the way in the front they will not be heat soaked with the engine.

man the setup in the pics looks sexy thank you brisco
Definitely... The ideal setup would have the air charge coming from the coolest place possible, which would be as far outside that engine bay as you can get. This is why blackbenzz's intake setup most likely works better than anything currently being offered by any of the tuners.
Old 04-07-2009, 01:04 AM
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Hmm, I'm confused, is blackbenzz's intake setup the cf one posted previously in this topic?

Anyone have pictures of a homemade intake setup?

Thanks!
Old 04-07-2009, 09:11 AM
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Originally Posted by ECBAOBAO
what are the pros/cons of leading the pipes all the way to the front as opposed to that pic?
pros: get colder air front the front of the car ( which may get just hot while passing thru the piping that runs over the engine)
cons: the diameter of the piping has to decrease to fit thru to the front. the cost of fabricating this setup was quoted to me at about 850$ while the setup with shorter intakes is 1/3 of that price made in the same place.
Old 04-07-2009, 01:07 PM
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Originally Posted by ECBAOBAO
Hmm, I'm confused, is blackbenzz's intake setup the cf one posted previously in this topic?

Anyone have pictures of a homemade intake setup?

Thanks!
Here's the thread I think, but I don't know what happened to the pics.

https://mbworld.org/forums/w211-amg/...ht-intake.html
Old 04-07-2009, 01:43 PM
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To get the benefits of a true cold air intake the filter has to make it out front somehow. Maybe at the fog lights dual setup? Or replacing the light like blackbenz did. The pro is lots of hp being lost with your current setups. The con is sacrificing looks of all that pretty carbon fiber.
Old 04-07-2009, 09:54 PM
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To answer the OP, the reason the whine is gets louder under load is A: your opening the throttle and letting more air in which creates compression of air, hence this makes the rotors hot and they mesh more. B: The sound carries back through the throttle and air filter which almost amplifies the sound. When you change to a cold cone intake the sound is louder, its down to the design of the cone and the sound insulating properties.

Check this out:

http://auto.howstuffworks.com/supercharger4.htm
Old 04-07-2009, 11:40 PM
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Originally Posted by str8ridin
To answer the OP, the reason the whine is gets louder under load is A: your opening the throttle and letting more air in which creates compression of air, hence this makes the rotors hot and they mesh more. B: The sound carries back through the throttle and air filter which almost amplifies the sound. When you change to a cold cone intake the sound is louder, its down to the design of the cone and the sound insulating properties.

Check this out:

http://auto.howstuffworks.com/supercharger4.htm
Thanks for the explanation. I've always known that opening up the intake would increase the blower "whine." I love the carbon fiber intakes that Vadim and others offer though I really just am after that louder whine and am considering getting some tubing fabbed up to accept conical K&Ns so I can get the sound. I just want to do so in a tasteful manner so as not to make it look ghetto fabulous.

I've noticed that if you get the car to upshift to second or third gear at a slow speed and slowly bear down into the throttle so as not to get the car to downshift, the symphonic whine begins to magnify under engine load. Music to my ears!
Old 04-08-2009, 12:19 AM
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The Maggie'd C6 Vette whine is extremely prominent & NONE have restrictive styled airboxes, all the E55/C32's w/VERY loud whine like the Maggie's have modded the OEM airbox, airbox is obviously acting like a muffler. Placing the Airfilter out front away from the TB intake is key here in making prominent whine..

I've modded multi N/A engines over the years as well, installing CAI w/Airfilter away from Throttle-Body intake will have a similar effect whistling sucking noise. (although nothing as loud as a Blower)

Your link above is for Centrifugal blowers, a bit different than Positive Displacement blowers in the E55/C32 in question, they spin way faster & higher in RPM band & the whine is different almost sounds like an Electric car on steroids.. The Vette Centrifugal versions sound like garbage disposals w/silverware stuck in it @ idle

If you click the Twin-Screw Supercharger link this is @ the end of page....
The compressed air exiting the discharge outlet creates a whine or whistle that must be subdued with noise suppression techniques.
Old 04-08-2009, 12:21 AM
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'03 E55 (My Daily), '01 ML 320 (Wifey), Twin Turbo '69 Camaro (In Progess)
I found this on the net and though the filters look nasty and I wouldn't utilize the UFO-looking filter covers, the polished aluminum tubing and heat shields would work and should connect right up to some K&Ns. This is what I was considering having fabricated and for the price they are asking, I could get it made and ceramic coated. The website layout looks remarkably similar to Jerry's!

http://www.globalautoshop.com/access...ons/e_w211.htm
Old 04-08-2009, 12:43 AM
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An intakes purpose is to suck in as much air as possible. I would take a higher volume of air even if its slightly hotter rather then a less volume of air that is only slightly cooler. After the air enters the motor and reaches the intake air temp sensor it will get heated up anyways. Sure, a cold air intake will make a difference. But IMO it is the job of the intercooler, heat exchanger, IC pump to cool down the charge temp. Not an Intake.

What I am trying to say is Let the intake does it's job. That is to draw in as much volume of air as possible. Let the intercooler do it's job lowering charge temp. Just my 2 cents.
Old 04-08-2009, 01:19 AM
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'03 E55 (My Daily), '01 ML 320 (Wifey), Twin Turbo '69 Camaro (In Progess)
Originally Posted by Max.H
An intakes purpose is to suck in as much air as possible. I would take a higher volume of air even if its slightly hotter rather then a less volume of air that is only slightly cooler. After the air enters the motor and reaches the intake air temp sensor it will get heated up anyways. Sure, a cold air intake will make a difference. But IMO it is the job of the intercooler, heat exchanger, IC pump to cool down the charge temp. Not an Intake.

What I am trying to say is Let the intake does it's job. That is to draw in as much volume of air as possible. Let the intercooler do it's job lowering charge temp. Just my 2 cents.
+1
Old 04-08-2009, 02:06 AM
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Originally Posted by PerisanGodFatha
heres mine, the whine is pretty loud...all I have is an exhaust....

http://www.youtube.com/watch?v=nvWiNkJX2dg

....yes my friends were HIGH
wow wtf exhaust do you have?!! I want it!!
Old 04-08-2009, 02:22 AM
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Originally Posted by PerisanGodFatha
heres mine, the whine is pretty loud...all I have is an exhaust....

http://www.youtube.com/watch?v=nvWiNkJX2dg

....yes my friends were HIGH
Very funny video. Thanks for sharing.
Old 06-05-2009, 03:54 PM
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also, if you remove that black plastic hood blanket, it will be way more pronounced. it is a free mod too.
Old 06-05-2009, 05:45 PM
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05 E55
Originally Posted by chawkins2001
also, if you remove that black plastic hood blanket, it will be way more pronounced. it is a free mod too.
I wonder what this can do the integrity of the hood paint by letting so much heat through.
Old 06-05-2009, 06:10 PM
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Originally Posted by str8ridin
I wonder what this can do the integrity of the hood paint by letting so much heat through.
loll
Old 06-05-2009, 11:57 PM
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Originally Posted by ECBAOBAO
loll
heheh +1
Old 06-06-2009, 12:11 AM
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05 E55
Originally Posted by shardul
heheh +1

...while you are giggling, think about about how paint reacts to our intense under hood temps while parked in the sun.
Old 06-06-2009, 12:38 AM
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Originally Posted by str8ridin
...while you are giggling, think about about how paint reacts to our intense under hood temps while parked in the sun.
ur right!
Old 06-06-2009, 01:00 AM
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Originally Posted by str8ridin
...while you are giggling, think about about how paint reacts to our intense under hood temps while parked in the sun.
6 year old paint in the engine bay and on the hood of my car is fine.
I think you fail to notice that when the car is moving the air flow over the car will also have some sort of cooling effect on the paint.
Old 06-06-2009, 01:50 PM
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05 E55
Originally Posted by shardul
6 year old paint in the engine bay and on the hood of my car is fine.
I think you fail to notice that when the car is moving the air flow over the car will also have some sort of cooling effect on the paint.

That's why I said parked in the sun.

Originally Posted by str8ridin
...while you are giggling, think about about how paint reacts to our intense under hood temps while parked in the sun.
MB Engineers probably think past 6 years. I've seen cars as early as 10 years old start that have hood fade.
Old 06-06-2009, 02:34 PM
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4 wheeled car.
Oh btw here's the video of it from inside. From outside I heard it rather well when I had my buddy do a fly by.

http://www.youtube.com/watch?v=wbjfIRq53hA

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