V4 fuelling options

Ducati Forum

Help Support Ducati Forum:

Updating and reloading...

IMG_2033.jpg



and finally

IMG_2034.jpg

this is what the Woolich uk help guy said........switch off switch on switch off switch on.... they have reported incidents of the ETV not loading properly...

So we go again!!
 
I'll be choosing between SLR and Woolwich, and I have a 22 V4 base. Additionally, I'll be installing the PipeWerx half system, which only connects to the headers already in place. It's a single exit system, and switching silencers based on track noise limitations is really extremely simple. The Spark system is pretty comparable to this.
 
Your other pics are too small to make out what's going on. The TPS value isn't a percentage, it's degrees.

Yes, the TPS is at 91.1 degrees which is as WOT as you’re going to get. Any more “open” and it’s “closing” on the other side of WOT.

I like the Woolich myself. Im using it on my CBR1k and V4SP
 
Yes, the TPS is at 91.1 degrees which is as WOT as you’re going to get. Any more “open” and it’s “closing” on the other side of WOT.

I like the Woolich myself. Im using it on my CBR1k and V4SP

Yes, all is well with the ETV table. My AIM data is identical at 91.1 degrees TPS Vert at 100% Twist grip.
 
Yes, all is well with the ETV table. My AIM data is identical at 91.1 degrees TPS Vert at 100% Twist grip.

The AIM system uses an incorrect conversion factor for TPS. You need to multiply the AIM TPS by 0.90 to get the correct angle. 82 degrees is WOT on the Ducati V4 bikes. That is the value used in the breakpoints of the maps as well as the TPS limit defined in the corresponding table.

Maybe for most people used to TPS in % you should multiply the AIM TPS by 1.1 to WOT relates to 100%
 
With tge woolich software the std etv values are modified across the rev range to get a true full throttle … there was a problem with this loading, they’ve sorted it now …
 
With tge woolich software the std etv values are modified across the rev range to get a true full throttle … there was a problem with this loading, they’ve sorted it now …

What do you mean true full trottle?

It is not and desirable to not fully open the throttle at lower revs as more TPS opening does not provide more airflow.

The table that Woolich called ETV Restrictions actually has no direct connection to the ETV and messing with it too much can cause diagnostics to activate limp home torque and rpm limits.

What happens when you globally change the so called ETV Restrictions table is that you kind of activate a quick action throttle.
 
I’m not messing with anything…. It’s woolich that are saying there was a problem and woolich that are providing the fix…… go get a latte👍
 
What do you mean true full trottle?

It is not and desirable to not fully open the throttle at lower revs as more TPS opening does not provide more airflow.

The table that Woolich called ETV Restrictions actually has no direct connection to the ETV and messing with it too much can cause diagnostics to activate limp home torque and rpm limits.

What happens when you globally change the so called ETV Restrictions table is that you kind of activate a quick action throttle.

I understand what you mean here but why would it be undesirable for the throttle bodies to fully open? Cable operated throttles manage this perfectly.
 
I understand what you mean here but why would it be undesirable for the throttle bodies to fully open? Cable operated throttles manage this perfectly.

At lower rpm ( below 6k on the V4 engines) maximum airflow is achieve already below the fully open throttle position of 82 degrees. So essentially there is a dead band where more TPS opening does not provide more airflow. This allows for quicker and more precise airflow and resulting torque modulation as you don’t have to sweep the throttle through a dead band first where no impact on torque takes place.
 
What do you mean true full trottle?

It is not and desirable to not fully open the throttle at lower revs as more TPS opening does not provide more airflow.

The table that Woolich called ETV Restrictions actually has no direct connection to the ETV and messing with it too much can cause diagnostics to activate limp home torque and rpm limits.

What happens when you globally change the so called ETV Restrictions table is that you kind of activate a quick action throttle.

Question, so what do the values in the ETV Restrictions table represent? I’ve been searching Woolich and google, but no info is available.
 
At lower rpm ( below 6k on the V4 engines) maximum airflow is achieve already below the fully open throttle position of 82 degrees. So essentially there is a dead band where more TPS opening does not provide more airflow. This allows for quicker and more precise airflow and resulting torque modulation as you don’t have to sweep the throttle through a dead band first where no impact on torque takes place.

I see... so it's restricting the throttle plate angle to maximize air flow at any given RPM.

I still don't see why a full 90 degrees open isn't achieved though.
 
Question, so what do the values in the ETV Restrictions table represent? I’ve been searching Woolich and google, but no info is available.

You cannot find this information from Woolich as they really do not know what it is for.

The table is a major input to the global engine airflow characterization structure. Messing with it will have a stronge affect on pretty much all of the rider torque requests. That is why Woolich thinks it is an ETV restriction table.
There is quite a large risk of messing with this table as there are other maps and table that need to be kept in line with with the values of this table in order to not cause undesirable drivability behavior and/or diagnostics that can cause torque limitations and ultimately limp home functionality.
 

Register CTA

Register on Ducati Forum! This sidebar will go away, and you will see fewer ads.

Recent Discussions

Back
Top