Rich RDE

I had lots of idle trouble and found that it was because my deadtimes were way off.
If those particular injectors are easy to sell, in the long run you might be better off getting some injectors that come with better info.
The ID850 comes with an awesome set of data.
http://injectordynamics.com/injectors/id850/

Torque and Rev are two apps that have been used. Also some people are using windows tablets as dashes and running PCLink on them.
Android: https://play.google.com/store/apps/details?id=org.prowl.torque&hl=en
Iphone: http://www.devtoaster.com/products/rev/
Scott.

Hi Rich,
I'm running staged injection and my intake manifold has a lot of resonant peaks and troughs. Engine goes to ~8200rpm so to adequately address areas that need a little more or less fuel I've chopped the bottom end off my fuel table and setup a seperate one. (Just being picky really)
Idle is now a lot more steady after using mixture map to develop a very high res idle map, which after some more testing I'll downsize to fewer rows and columns. So all is well with that.

The reason I ask about 4d and 5d fuel, is that mixture map is a very powerful tool for making an overlay compensation table that can spot trends on a table that has axes different to your main fuel map.
For example if your main fuel map is based on RPM and MGP.
Let say I fitted a surface mount thermistor to the intake manifold, and wanted to see what effect heat soak has.
I can setup a 4d table with the axes of thermistor temp and effective injector pulsewidth, and then run mixture map and it'll populate the table to show me if there are any trends visible by which it would make sense to establish a compensation table.
If not, I can change the axes on the 4d table and rerun mixture map and see if anything else shows a clear trend.
(This is a good method for finding slow changes like manifold temp which are hard to quantify otherwise)

However I want to be confident that if I set a more specific type of 4d or 5d fuel map that just addresses a particular zone or load area or whatever, it isnt extrapolating out unpredictably across the rest of the map...
Which you have answered for me. Thanks
So far I've seen some interesting results by disabling IAT compensation, and then setting a 4D table based on injector pulsewidth and ECT.
As the required compensation varies a lot based on pulsewidth as well as ECT.
I will post some results up later if interested.

Hi Davidv,
Is the reason you are using the table because it simply will not hold a quality AFR around your idle? Posting a log would be very useful. In 4d and 5d mode you can switch this as table activation or always on. You will need to setup the x and y axis of the conditions you would want this to be active. When in the overlay setting 4d / 5d. You add a 6th dimension and the table becomes much larger.
To answer your question it will not extrapolate if you have your axis maxed out for 1200 rpm. So in overlay it will simply add a percentage to the main fuel table. So at 1100 rpm at 16.8 kpa, you may have a value of 32. With a number like 10 in the table. This would be 10% + 32 = 35.2 would now be the calculated value for that table. I would assume you will have better luck in interpolate mode. This will allow a ratio table that you can control via what x and y axis conditions you would like. So a percentage of how much of table 1 to 2 is being used. Easily after 1200 rpm you could set this to just table 1. 
Hope this helps and I answered your questions.
-RichRDE

Hi we use them on our 2 stroke jetski engines
The tripples are yamaha 1100 and 1200 engines

We also use the same thing on our twin cylinder seadoo fuel injected 2 strokes