Post #1
Will bodies run on the standard management? Does anyone know what lift and dursation of cam I can run retaining the standard lifters/valve springs and pistons?Cheers
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displaying posts 1 to 9 of 9
| Author | Subject: ITB/ECU help... |
 chrisser
Newbie  Location: stoke on trent Registered: 01 Dec 2008 Posts: 33 Status: Offline |
Cheers |
 Posted 24th Jan 2010 at 01:35
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chris with a pug
Seasoned Pro  Location: Southampton Registered: 16 Feb 2003 Posts: 5,366 Status: Offline |
Post #2
you can if you go to Chip wizards, wayne can remap your ECU. |
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Posted 24th Jan 2010 at 01:42
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chrisser
Newbie Location: stoke on trent Registered: 01 Dec 2008 Posts: 33 Status: Offline |
Post #3
If Wayne can do it, then every good mapper can. There's no issues with MAP/ICV and/or air temp sensors?What is the duty cycle of the injectors on a standard engine? Anyone clear up the valve-piston clearances? I.e, what are they standard and what is the lift at TDC of the standard cam? Any help appreciated! |
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Posted 24th Jan 2010 at 02:05
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pgti6
Junior User Location: Melb Aust Registered: 20 Aug 2005 Posts: 72 Status: Offline |
Post #4
I brought an inlet cam off Ash & had it measured-0.047" lift @ TDC Never had success attaching pics on this site, so cant post the report. If anyone wants a copy, PM me with your email address. Maybe it could go into the downloads section? ________________________________________ N5 XU10J4RS Road carD60 XU9J4 Track car 120Kw atw |
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Posted 24th Jan 2010 at 03:36
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rich_w
Seasoned Pro  Location: Havant, Hampshire Registered: 29 Jul 2004 Posts: 5,412 Status: Offline |
Post #5
chrisser wrote: If Wayne can do it, then every good mapper can. That's not true - Wayne is about the only person in the UK that can properly live map the Marelli ECU's. Very few people in the world have done as much work as he has with Marelli. If your going to do it standard management, he will probably bin the MAP sensor and map it Alpha N style - using TPS as load.  ________________________________________ Contact Details:rich@lynxpowerengineering.co.uk 07732 822546 |
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Posted 24th Jan 2010 at 03:44
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pete_rallye
Seasoned Pro  Location: Yorkshire Registered: 12 Dec 2002 Posts: 5,253 Status: Offline |
Post #6
Yeah, it's a lot of effort to use the MAP with ITB's, although it is possible, you have to remote mount it and use hoses from the each port of the inlet manifold to a single hose and then to the MAP. Better off as Rich says to map it on the TPS only, only issues I had was the car occasionally stalling, ran fine otherwise.________________________________________ Oulton Park in a BTCC 306 vid 1Oulton Park in a BTCC 306 vid 2 Lap of the 'ring |
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Posted 24th Jan 2010 at 03:58
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chrisser
Newbie Location: stoke on trent Registered: 01 Dec 2008 Posts: 33 Status: Offline |
Post #7
Yeah I realise I'll need to pick up an individual MAP signal from each tract and run to a single point for the MAP sensor. If I did retain the MAP sensor, what duration can I run cams wise before overlap becomes a problem for it? To use Alpha N, will I have to run spark scatter/wasted spark?Whilst I realise and appreciate Wayne has mega experience, that doesn't neccessarily mean he's the only one who can. TOTD, RStuning or even Matt from Tour-de-Force have more than enough experience of mapping any application and certainly a more in-depth ECU such as Pectel etc. Only reason I ask is I dont want to be doing 200 miles on the motorway running a standard map with cams and bodies. Holey pistons much.... |
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Posted 24th Jan 2010 at 17:04
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mxcrazy
Regular Location: hastings Registered: 22 Jun 2009 Posts: 456 Status: Offline |
Post #8
Cams wise you are limited with stock pistons, as im sure you are aware, if you are going to spend out on cams and itb's etc, i think you'd be better off going with after market pistons, or pocketed stockers at least. If you bump the compression up the longer duration and/or lift cams will like that more compared to stock, especially when a larger overlap is used if increasing duration.peter taylor engiuneering is probably the man cams to be honest, re-grinds of stock cams, a little more lift and more duration, much more lift than standard is going to require different valve springs. Lifters wise, if you are going to rev the balls out of it, ie, 7800+ or, you are going with a huge cam then solids would need to be used, otherwise, stock hyds are ok. With regards to Wayne, you need to speak to people and see if they are happy to map the stock ECU and if they think they can do it as good as him. Experience is what Wayne has, and knows the ins and outs of the stock system. |
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Posted 24th Jan 2010 at 21:30
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rich_w
Seasoned Pro Location: Havant, Hampshire Registered: 29 Jul 2004 Posts: 5,412 Status: Offline |
Post #9
chrisser wrote: Yeah I realise I'll need to pick up an individual MAP signal from each tract and run to a single point for the MAP sensor. If I did retain the MAP sensor, what duration can I run cams wise before overlap becomes a problem for it? To use Alpha N, will I have to run spark scatter/wasted spark? Whilst I realise and appreciate Wayne has mega experience, that doesn't neccessarily mean he's the only one who can. TOTD, RStuning or even Matt from Tour-de-Force have more than enough experience of mapping any application and certainly a more in-depth ECU such as Pectel etc. Only reason I ask is I dont want to be doing 200 miles on the motorway running a standard map with cams and bodies. Holey pistons much.... The cam duration won't effect the MAP sensor readings to a point where it can't meter the air properly, even over 300 deg. or whatever you may go to. You will suffer with a poor idle though, as there is very little manifold vacuum at low RPM's. As for the ECU - remapping the Marelli 1AP's is a lot more difficult than even the top-end Pectel stuff - which Wayne does too. The reason being is there's no user interface software for it - you are working with raw hexadecimel data. Also, due the way the processer reads the memory, there's only one emulator on the market that is compatible with the protocol it uses - the chances of anyone else having this is slim. I've done a fair bit of work with these ECU's making them work with the supercharger conversion I developed, and I would be VERY surprised if anyone else in the UK could properly 'live' remap this particular ECU. ________________________________________ Contact Details:rich@lynxpowerengineering.co.uk 07732 822546 |
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Posted 25th Jan 2010 at 00:45
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