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displaying posts 1 to 18 of 18
| Author | Subject: No inlet resonator |
 coskev
Seasoned Pro  Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #1
I removed mine when I converted my 309 Gti,and a couple of forum users reckon you lose torque But I searched the net and the info I found said the only thing resonators do is reduce noise  Pretty sure they are called Helmholtz Resonators  ________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
 Posted 25th Dec 2010 at 04:19
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midlife
Seasoned Pro  Location: Colne, Lancashire Registered: 13 Mar 2006 Posts: 7,544 Status: Offline |
Post #2
Just make sure the hole is bunged up properly! ________________________________________ Get used to seeing the yellow one !!! Team 330™ Team "no front end or engine" Team "LIMITED EDITION" I live for the 306 sticker  Team 0-60 in 6.44 & standing qtr in 14.808 @ 94.55mph all with std engine 203bhp Corolla T-Sport daily driver stealthier than Kwai Chang Caine |
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Posted 25th Dec 2010 at 03:43
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rikky
🦔 Location: cheshire Registered: 28 Feb 2004 Posts: 26,796 Status: Offline |
Post #3
coskev wrote: But I searched the net and the info I found said the only thing resonators do is reduce noise not quite. it is to do with air cavities and peugeot designed it so a consistent airflow balance is taken in. its not just about the noise but yes it is for that too. you have your nice smooth torque curve to thank for it sure, it'll work fine without it, but it isn't there for comical value. if it wasn't needed..... theres one coming off the airbox aswell ________________________________________ 306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges gti6 inlet manifold badges | 306 rear boot badges (p2/p3) winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club] |
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Posted 25th Dec 2010 at 04:59
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jimbamboon
Senior User  Location: Guildford Registered: 15 Mar 2006 Posts: 573 Status: Offline |
Post #4
Yes helmholtz , ive turned into a bit of a perfectionist and want to make sure that my engine is functioning as close to standard as possible with minimal losses, would you recommend I put one back on? As when I first got the car I did feel like it lacked a bit of torque down low________________________________________ "We never have any near misses, we hit them every time!"clicky code for my benefit [ url= http://www.website.com]My link[/url ] |
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Posted 25th Dec 2010 at 12:56
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joevts
Senior User  Location: barnsley Registered: 21 May 2008 Posts: 608 Status: Offline |
Post #5
are you talking about the big one under the fannymold or the little clog shaped thing on the airbox? |
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Posted 25th Dec 2010 at 14:45
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,839 Status: Offline |
Post #6
the torque thing I have heard mention of before, try it!if only there was a 6 owner with a RR to hand, we could see what difference this and advancing cams and fitting induction kits made  (apart from noise...) ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 25th Dec 2010 at 15:35
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jimbamboon
Senior User Location: Guildford Registered: 15 Mar 2006 Posts: 573 Status: Offline |
Post #7
yeh talking about the helmholtz under the fannimold________________________________________ "We never have any near misses, we hit them every time!"clicky code for my benefit [ url= http://www.website.com]My link[/url ] |
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Posted 25th Dec 2010 at 18:48
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coskev
Seasoned Pro Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #8
rikky wrote: coskev wrote: But I searched the net and the info I found said the only thing resonators do is reduce noise not quite. it is to do with air cavities and peugeot designed it so a consistent airflow balance is taken in. its not just about the noise but yes it is for that too. you have your nice smooth torque curve to thank for it sure, it'll work fine without it, but it isn't there for comical value. if it wasn't needed..... theres one coming off the airbox aswell Have you got the info on Pug designing it to hand by any chance?????? If not I'll stick with the info I found that says its all noise related  ________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
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Posted 26th Dec 2010 at 01:22
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rikky
🦔 Location: cheshire Registered: 28 Feb 2004 Posts: 26,796 Status: Offline |
Post #9
Remove it and see the noise difference then.. Tell a lie - they aren't used just on peugeots. They are used on jet engines and lots of other applications too. They aren't just for noise. I swapped an inlet to one with a bung in once before buying the resonator and noise wasn't any different tbh ________________________________________ 306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges gti6 inlet manifold badges | 306 rear boot badges (p2/p3) winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club] |
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Posted 26th Dec 2010 at 01:49
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rikky
🦔 Location: cheshire Registered: 28 Feb 2004 Posts: 26,796 Status: Offline |
Post #10
(On my phone so don't even know if that posted)________________________________________ 306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges gti6 inlet manifold badges | 306 rear boot badges (p2/p3) winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club] |
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Posted 26th Dec 2010 at 01:50
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phillipm
Seasoned Pro  Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #11
Usually both to cancel out unpleasant resonance notes and to to help fill in dips in the torque curve that the camshaft + inlet manifold length gives, albeit usually at the slight expense of peak torque.________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 26th Dec 2010 at 02:37
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rikky
🦔 Location: cheshire Registered: 28 Feb 2004 Posts: 26,796 Status: Offline |
Post #12
So to summarise: yes it does you a load of good and removing it is barely a boredom exercise?________________________________________ 306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges gti6 inlet manifold badges | 306 rear boot badges (p2/p3) winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club] |
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Posted 26th Dec 2010 at 02:52
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #13
Depends, sometimes if you've altered the head/manifold or cams they'll hurt performance as they're no longer matched with each other - in that case I'd bin it, standard car with bolt on bits? Probably not.Be interesting to see a back to back on the dyno. ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 26th Dec 2010 at 02:59
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mattgti6phase2
Seasoned Pro  Location: inside my 6 abusing the tarmac!! Registered: 16 Jul 2010 Posts: 2,371 Status: Offline |
Post #14
Have removed mine and binges it then made the airbox completely air tight and found that you get a slight induction noise from the snorkel. I also found better throttle response. ________________________________________ Team Nile 6 Team: 40.2 MPG 5 x a 306 owner! currently abusing type r's in a town near you ™ I truely live for the 306 ® Build date: 29th October 1997 Wednesday's car midweek madness  |
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Posted 27th Dec 2010 at 19:47
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jimmyhackers
Seasoned Pro  Location: birmingham Registered: 14 Jun 2011 Posts: 1,149 Status: Offline |
Post #15
im trying to get to the route of this on my thread  looks like back to back no ones done it. could be an interesting one if i turn up to pugfest. (we get a rolling road dont we?) seeing as to convert between the 4 possible comibinations will take all of 5 minutes ________________________________________ the world is changed by people in sheds |
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Posted 8th Jul 2011 at 07:21
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coskev
Seasoned Pro Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #16
jimmyhackers wrote: im trying to get to the route of this on my thread looks like back to back no ones done it. could be an interesting one if i turn up to pugfest. (we get a rolling road dont we?) seeing as to convert between the 4 possible comibinations will take all of 5 minutes No rolling road there last year?  I've removed mine on the Rallye,and also the one fitted to airbox and blanked off the hole into airbox,modded snorkel to make a 'ram-air' effect into airbox,fitted a RamAir induction kit inside the standard airbox At a recent rolling road day mine did 180bhp(highest of the day on standard inlet/injection )and also highest torque figure Other mods are Magnex de-cat and system So I still stick with the info I found the resonator is for noise reduction ________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
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Posted 10th Jul 2011 at 04:26
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jimmyhackers
Seasoned Pro Location: birmingham Registered: 14 Jun 2011 Posts: 1,149 Status: Offline |
Post #17
tbh that was my first inclination. anything that isnt for power genrally works against it.i was thinking of a decat staright through pipeand i might just remove this mr hermholtz phooey from my car. have you done anything else to your engine? i wouldnt mind some info on cheeky mods that ive missed i hopeing for somewhere around that 180 figure. hopefully i get neare it after next payday gonna get a new rear suspension setup and do a full service thanks for any info in advance ________________________________________ the world is changed by people in sheds |
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Posted 11th Jul 2011 at 01:45
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bobdylan_55
Seasoned Pro Location: derby Registered: 28 Mar 2009 Posts: 1,466 Status: Offline |
Post #18
to put it simply hemoltz resonators balance out air distribution to each cylinder. The calculations can get very complicated, but it does do something and can be quite important on tuned engines running plenum chambers. ________________________________________ 309 GTi6-T |
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Posted 11th Jul 2011 at 02:14
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