| [ Total Views: 763 | Total Replies: 10 | Thread Id: 82073 ] |
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 funbug
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| posted on February 19th, 2010 at 10:00 PM |
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Induction Noise
Do you guys any suggestions on reducing the induction noise on twin carbs except for importing a centrally mounted airbox? The ones from CSP look nice
but seem prohibitively expensive.
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Sides
A.k.a.: Dave Sidery
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| posted on February 20th, 2010 at 07:41 AM |
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Know of a couple of people who've built their own airboxes... assuming Weber's, the method was to get some "turbo tops" for the air cleaners, then
fab up some PVC pipe and bends (Bunnings Speed Shop  ) to link the two
sides together but still clear throttle linkage, lid hinges etc. then finally install a couple of K&N style pod filters in the middle section.
gracey might chime in... he's gotten some pretty good results from his setup...
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Sides
A.k.a.: Dave Sidery
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| posted on February 20th, 2010 at 07:44 AM |
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Oh - and from experience with noise limits at race tracks, it's amazing how much improving engine bay sealing can reduce the noise.... several of the
Escort guys I run with, if they don't seal the edges of their bonnets (speed tape), they go over the 95dBA noise limit !!!
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grumble
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| posted on February 20th, 2010 at 09:40 AM |
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We tried Dynamat in the rear and covers over the filters and this worked to a small degree,but at 100kph the noise was still excessive,so we modified
a Hyundai excel air box and fabricated the tubing to suit,this works quite well. With a bit of time spent at the dismantlers yards you should be able
to find a smaller filter box off something late model and as sides says fabricate what you want.
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Sides
A.k.a.: Dave Sidery
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| posted on February 20th, 2010 at 10:24 AM |
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Also check out this post for CT's pic of a simple setup he had on an earlier incarnation of his car
http://forums.aussieveedubbers.com/viewtopic.php?tid=65455&page=2#pid619249
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Craig Torrens
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| posted on February 20th, 2010 at 10:29 AM |
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use ear plugs, thats how i fixed the problem 
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 Bizarre
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| posted on February 20th, 2010 at 11:11 AM |
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speak up - i cant hear you 
Futue te ipsum!!!
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Joel
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| posted on February 20th, 2010 at 11:59 AM |
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my kadrons came with insertion rubber glued to the air cleaner lids,
cant say i noticed if itdid much i removed it, cos after twin 40mm webers the roar of kads is nothing
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funbug
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| posted on February 20th, 2010 at 12:51 PM |
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| Quote: | Originally
posted by Craig Torrens
use ear plugs, thats how i fixed the problem
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I would still like to listen to music on long drives!
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colonel mustard
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| posted on February 20th, 2010 at 01:53 PM |
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| Quote: | Originally
posted by Joel
my kadrons came with insertion rubber glued to the air cleaner lids,
cant say i noticed if itdid much i removed it, cos after twin 40mm webers the roar of kads is nothing
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now I have something to look forward to..
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Sides
A.k.a.: Dave Sidery
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| posted on February 20th, 2010 at 08:24 PM |
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| Quote: | Originally
posted by funbug
| Quote: | Originally
posted by Craig Torrens
use ear plugs, thats how i fixed the problem
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I would still like to listen to music on long drives!
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Hmmm... sounds like the problem is with your stereo then, and nothing to do with induction noise at all !!!
VWDCQ vice pres & web dude - vwdcqinc.org.au
Join a car club - get car peeps
My toys
'70 Hillclimb Bug 'Jezebel' w/- Haltech EFI - http://bit.ly/VwTNtQ
'60 KG Coupe - resto kinda started
01 New Beetle - gf's car, but I turn the spanners |
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