Post #1
Just wondering how is the cold running/idle etc controlled?
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Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress.
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displaying posts 1 to 12 of 12
| Author | Subject: ITB cold running/idle control |
 coskev
Seasoned Pro  Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Mac1 ZR R1 kit car build in progress. |
 Posted 5th Apr 2013 at 23:37
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phillipm
Seasoned Pro  Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #2
Ignition advance usually________________________________________ - 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 5th Apr 2013 at 23:39
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coskev
Seasoned Pro Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #3
Ah right cheers Can that be used to get a nice cold idle, or is it just enough to let the engine run ok? Just wondering if a car on ITB's can be mapped/set up to run nicely as a daily driver  ________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
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Posted 6th Apr 2013 at 00:20
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devere
Senior User  Location: Saxtead Registered: 16 Dec 2008 Posts: 810 Status: Offline |
Post #4
I may be wrong here. But if I remember from when I played around with my Omex map, isn't the cold running able to be adjusted by trimming the fuel in relation to the engine temperature? A fairly easy on the fly tweak can be done.Im sure when mine was running too rich when first built I was able to pull some fuel out at points relating the certain engine temps... |
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Posted 6th Apr 2013 at 00:23
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #5
coskev wrote: Ah right cheers Can that be used to get a nice cold idle, or is it just enough to let the engine run ok? Just wondering if a car on ITB's can be mapped/set up to run nicely as a daily driver It'll idle well enough cold and hot with some fine tuning, downside is you use more fuel/have worse emmisions at idle compared to using an idle valve. Other option is to run a stepper motor on the throttle shaft as the throttle stop. ________________________________________ - 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 6th Apr 2013 at 00:32
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #6
Find a decent mapper and lots of time This highlights knowing your engines and ecu massively as the other mapping thread in last few days, if the mapper knows the engines they will have a map that will be damn close and theyll know what it needs, and most importantly what sounds right. Chatting to Sandy on monday about Will DiClaudio's new engine, it was rr mapped in an hour, because a-sandy has done a fair few TU engines now on DTA, and b-he has quite a few very similar spec full race engines, so the maps wont be that different. Also just because its a race engine doesnt mean cold running is ignored, theyre probably the best sounding throttle bodied engines i've heard on cold idle! Other than maybe a bmw m engine, though thats subjective! ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 6th Apr 2013 at 09:31
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coskev
Seasoned Pro Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #7
Ok cheers I see Jenvey do a kit for use with a ICV,anyone used this? http://www.jenvey.co.uk/home/accessories/idle-air ________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
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Posted 6th Apr 2013 at 15:46
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devere
Senior User Location: Saxtead Registered: 16 Dec 2008 Posts: 810 Status: Offline |
Post #8
Are you not trying to solve a problem that doesn't actually exist though? With some good mapping, as said, it will idle fine. Or have you got an engine that just wont run on idle?My engine runs bodies, and has PT84 cams, which are a pretty big cam in relation to the others that get used, and mine idles pretty well. I admit it may need a bit more work on the cold side of things, but that proves that even if it isn't 100% right, it will still tick over... |
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Posted 6th Apr 2013 at 22:48
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coskev
Seasoned Pro Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #9
Don't own any ITB's, as per my first post, just wondering ________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
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Posted 6th Apr 2013 at 23:10
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rich_w
Seasoned Pro  Location: Havant, Hampshire Registered: 29 Jul 2004 Posts: 5,412 Status: Offline |
Post #10
On the SC'd motors where we use DTA management, we ditch the idle valve and use ignition advance to control idle.Simple and works well - cold starts are no problem, it just takes some time to get the mapping right. You also need a fair bit of advance when really cold. ________________________________________ Contact Details:rich@lynxpowerengineering.co.uk 07732 822546 |
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Posted 7th Apr 2013 at 11:31
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coskev
Seasoned Pro Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #11
rich_w wrote: On the SC'd motors where we use DTA management, we ditch the idle valve and use ignition advance to control idle. Simple and works well - cold starts are no problem, it just takes some time to get the mapping right. You also need a fair bit of advance when really cold. Ok cheers ________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
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Posted 7th Apr 2013 at 19:57
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spiky
Seasoned Pro  Location: Cardiff Registered: 13 Oct 2006 Posts: 2,310 Status: Offline |
Post #12
sandy mapped mine on dta (IT and it idle'd fine, with no stepper ________________________________________ Do you need a 205 > 306 gti6 plug and go engine loom? PM METORQUES for all your braided fuel line needs MY YouTube Videos' SUPERCHARGED 205 GTI6.... are you Fooking nuts!.... ummmm YIP 268+BHP and 860kg = FUN |
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Posted 7th Apr 2013 at 23:02
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