NefMoto

Noob Zone => Noob Questions => Topic started by: streacy on November 09, 2023, 02:19:09 AM



Title: ME7 Rotational/Cyclic Idle
Post by: streacy on November 09, 2023, 02:19:09 AM
Hi,

Has anyone ever successfully implemented cyclic or rotational idle on a ME7 ecu? Either spark cut or fuel cut?


Title: Re: ME7 Rotational/Cyclic Idle
Post by: Terror_Flynn on November 10, 2023, 01:32:29 AM
You mean "ghost cam"
Make the engine run like it has some sort of extreme performance camshafts?


Title: Re: ME7 Rotational/Cyclic Idle
Post by: JeanAwt on November 10, 2023, 02:19:29 AM
or like a mazda RX7? ::)


Title: Re: ME7 Rotational/Cyclic Idle
Post by: streacy on November 10, 2023, 06:34:59 AM
That is one of the benefits  ;D but I think its actually used for cool down. Has anyone ever got it working with an ME7 ecu?


Title: Re: ME7 Rotational/Cyclic Idle
Post by: prj on November 10, 2023, 06:47:19 AM
but I think its actually used for cool down.
No, it's not... wtf.
If you want increased idle when the engine is hot, then that's a different story and can be done.

You're just trying to make the car sound like a bag of shit.
Do some searches on here, it's been done before.


Title: Re: ME7 Rotational/Cyclic Idle
Post by: R32Dude on November 10, 2023, 06:52:10 AM
It will be my next project for my car, ideas include retarding random cylinders  or same cylinders,  with a regular, or random pattern, only when manual dsg mode is selected. Not too hard to do in me7. Yank tank sound


Title: Re: ME7 Rotational/Cyclic Idle
Post by: _nameless on November 10, 2023, 07:24:45 AM
That is one of the benefits  ;D but I think its actually used for cool down. Has anyone ever got it working with an ME7 ecu?
I did a fuel cut rotational idle a few years ago just for fun. It neet for like 10 minutes


Title: Re: ME7 Rotational/Cyclic Idle
Post by: streacy on November 10, 2023, 07:36:50 AM
I did a fuel cut rotational idle a few years ago just for fun. It neet for like 10 minutes

 :D What maps/parameters did you change or did you use code?


Title: Re: ME7 Rotational/Cyclic Idle
Post by: dal on November 10, 2023, 07:53:42 AM
http://nefariousmotorsports.com/forum/index.php?topic=9983.0


Title: Re: ME7 Rotational/Cyclic Idle
Post by: streacy on November 10, 2023, 08:04:41 AM
http://nefariousmotorsports.com/forum/index.php?topic=9983.0

Brilliant thanks exactly what I was looking for.

The "effect" is implemented using TMNWLLKHE where it only happens when a certain temperature is reached. How would you go about using a map and or button to turn the "effect" off again?


Title: Re: ME7 Rotational/Cyclic Idle
Post by: fknbrkn on November 10, 2023, 08:50:16 AM
It will be my next project for my car, ideas include retarding random cylinders  or same cylinders,  with a regular, or random pattern, only when manual dsg mode is selected. Not too hard to do in me7. Yank tank sound

...


Title: Re: ME7 Rotational/Cyclic Idle
Post by: R32Dude on November 10, 2023, 05:42:55 PM
Snowtrooper seemed to have changed lots of maps. Many youtube vids show a similar effect , on other cars, when they simply change  idle timing parameters only ( and occasionally lambda) with no cam adjustments.
Like this bloke
 https://youtu.be/0saeBdFhrCg?si=UTnSYC81Ranlr3Va


Title: Re: ME7 Rotational/Cyclic Idle
Post by: R32Dude on November 13, 2023, 07:46:01 AM
Seems like 'cyclic idle' is not synonymous with a ghost cam. The term is used for jap cars like the wrx when the throttle is kept wide open, or nearly so, but spark to cylinders is cut in a cyclic fashion to keep the engine idling. From what I understood by reading google diarrhea, fuel still gets injected to all cylinders to cool the motor after a hard workout. Rally cars apparently use it.    


Title: Re: ME7 Rotational/Cyclic Idle
Post by: prj on November 13, 2023, 09:19:04 AM
Seems like 'cyclic idle' is not synonymous with a ghost cam. The term is used for jap cars like the wrx when the throttle is kept wide open, or nearly so, but spark to cylinders is cut in a cyclic fashion to keep the engine idling. From what I understood by reading google diarrhea, fuel still gets injected to all cylinders to cool the motor after a hard workout. Rally cars apparently use it.    

Rally cars have antilag.
Injecting fuel without burning it is a great way to destroy the bores.