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displaying posts 1 to 25 of 26
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| Author | Subject: Advanced inlet cam timing?? |
 tom28
Regular  Location: Stourport on Severn Registered: 28 Jul 2011 Posts: 253 Status: Offline |
Post #1
hi guys, i have been told the inlet cam on my six has been advanced, can anyone give a proper explaination of what this means, and what effect it will have on the car, (fueling ect) compared to a Normally timed engine.thanks Tom P |
 Posted 29th Nov 2012 at 09:59
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roland rat
Yeeeah Rat fans!  Location: Swansea Registered: 29 Nov 2006 Posts: 22,282 Status: Offline |
Post #2
it means its very clever and has an higher IQ that another engine of its age  |
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Posted 29th Nov 2012 at 10:13
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tom28
Regular Location: Stourport on Severn Registered: 28 Jul 2011 Posts: 253 Status: Offline |
Post #3
ORLY?  |
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Posted 29th Nov 2012 at 10:18
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rikky
🦔 Location: cheshire Registered: 28 Feb 2004 Posts: 26,793 Status: Offline |
Post #4
it means the timing has been advanced by a couple of degrees / teeth when it was last done to, in short terms, provide a small gain in power. but really small.. i know the foreigners do it but run mad stuff like ethanol etc so would notice more gain for them i suppose________________________________________ 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 29th Nov 2012 at 11:52
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #5
Yep, it is supposed to give slightly more power and slightly lower down the rev range too.  A few members have done it here although with the ridiculously small running clearances you have to be careful when doing so. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone  |
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Posted 29th Nov 2012 at 13:12
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eliotrw
Seasoned Pro  Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #6
I thought that was retarding that did that, Or maybe I have it wrong...________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 29th Nov 2012 at 13:37
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roland rat
Yeeeah Rat fans! Location: Swansea Registered: 29 Nov 2006 Posts: 22,282 Status: Offline |
Post #7
eliotrw wrote: I thought that was retarding that did that, Or maybe I have it wrong... ^^You are wrong and that is retarded  |
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Posted 29th Nov 2012 at 13:41
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rikky
🦔 Location: cheshire Registered: 28 Feb 2004 Posts: 26,793 Status: Offline |
Post #8
advance = spark after tdcretard = spark before tdc  ________________________________________ 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 29th Nov 2012 at 13:45
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #9
noooo just means the inlet valves open and close earlier. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 29th Nov 2012 at 14:06
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #10
rikky wrote: advance = spark after tdc retard = spark before tdc We're talking about valve timing not ignition timing...  And even then, the more advanced the ignition timing the spark would be before TDC so you've still got it the wrong way around! ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 29th Nov 2012 at 14:18
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rikky
🦔 Location: cheshire Registered: 28 Feb 2004 Posts: 26,793 Status: Offline |
Post #11
ah yes i thought we were talking about wrist watches2 wrongs do make a right though so technically i got it bang on i've always been a "leave it the f**k alone and don't even look at it when it comes to engine timing" type of girl ________________________________________ 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 29th Nov 2012 at 14:22
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #12
I don't think there is much to be gained in reality, my valve timing on the boosted engine is at standard settings and that's where it will be staying. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 29th Nov 2012 at 18:55
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eliotrw
Seasoned Pro Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #13
Ahhhh p**s!________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 29th Nov 2012 at 18:59
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tom28
Regular Location: Stourport on Severn Registered: 28 Jul 2011 Posts: 253 Status: Offline |
Post #14
next question would the fact that the inlet cam has been advanced cause the car to use more fuel, THAT is the burning questionplease discuss  |
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Posted 29th Nov 2012 at 22:15
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roland rat
Yeeeah Rat fans! Location: Swansea Registered: 29 Nov 2006 Posts: 22,282 Status: Offline |
Post #15
No.End of discussion |
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Posted 29th Nov 2012 at 22:24
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #16
no, less if anything, as it will produce more torque, meaning smaller throttle openings required at cruise.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 29th Nov 2012 at 22:26
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #17
Do you have an issue with fuel consumption then?________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 29th Nov 2012 at 22:37
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tom28
Regular Location: Stourport on Severn Registered: 28 Jul 2011 Posts: 253 Status: Offline |
Post #18
stan_306gti6 wrote: yes its been getting worse the past few months Do you have an issue with fuel consumption then? |
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Posted 29th Nov 2012 at 22:40
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JWP EFi
Turbo Legend!  Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #19
i played with the inlet timing, felt more torquey (a little) didnt see a difference in fuel consumptionwhen i did this the engine lost its kick at 4500, but as said, i felt it was more like an 8v earlier on weird as that may sound |
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Posted 29th Nov 2012 at 22:44
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roland rat
Yeeeah Rat fans! Location: Swansea Registered: 29 Nov 2006 Posts: 22,282 Status: Offline |
Post #20
Best check cts sensor,then lambda I'd say |
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Posted 29th Nov 2012 at 22:49
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tom28
Regular Location: Stourport on Severn Registered: 28 Jul 2011 Posts: 253 Status: Offline |
Post #21
T99PUG wrote: mine definately hasn't lost its kick, she rips your face off past that level, but now i've owned her for coming up to a year, theres been a noticeable difference in fuel consumption from when i first got her... i played with the inlet timing, felt more torquey (a little) when i did this the engine lost its kick at 4500 |
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Posted 29th Nov 2012 at 22:52
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tom28
Regular Location: Stourport on Severn Registered: 28 Jul 2011 Posts: 253 Status: Offline |
Post #22
roland rat wrote: you have confirmed what i thought was the correct course of action as most probably both these are very tired by nowBest check cts sensor,then lambda I'd say cheerz rat boy |
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Posted 29th Nov 2012 at 22:56
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #23
tom28 wrote: T99PUG wrote: mine definately hasn't lost its kick, she rips your face off past that level, but now i've owned her for coming up to a year, theres been a noticeable difference in fuel consumption from when i first got her...i played with the inlet timing, felt more torquey (a little) when i did this the engine lost its kick at 4500 that could be down to a few different things, lambda, coolant sensors etc, how do yu know that timing has been advanced? |
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Posted 29th Nov 2012 at 22:59
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tom28
Regular Location: Stourport on Severn Registered: 28 Jul 2011 Posts: 253 Status: Offline |
Post #24
quote: carl grimsley off of here (mechanical repairs) made me aware of this alteration after he changed the cambelt for me quite recently that could be down to a few different things, lambda, coolant sensors etc, how do yu know that timing has been advanced? |
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Posted 29th Nov 2012 at 23:03
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tom28
Regular Location: Stourport on Severn Registered: 28 Jul 2011 Posts: 253 Status: Offline |
Post #25
it does explain why she drives like she does though |
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Posted 29th Nov 2012 at 23:04
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