Nistune Forums

I have installed double z32 (on a z32) maf's and a afc neo and would like to go with the average mode to make the maf's support higher power.
Now I will get only half the air to the ecu ofcoures so,
can I get this adjusted in the map?
My idea were to half the injector size and get double feul per measured (in ecu) air.

Or is that a to simple way to go?

If you use the AVG function, I think the correction is to use the K constant that corresponds with 1/2 of the injector CC rate.

But someone feel free to correct me if I'm wrong.

Tryied that but did't seem to work direktly. Will work more on this in a dyno and se if we can get it right.
Just it would be nice to be one step ahead.

What i also wounder abot is the afc. When I go in add mode it seems to not realy make 1+1=2... but this might not be the right place to ask about that?

Realised what the add in afc does. Befor starting tha car maf gives app. 0.4 V. So 1,1 V+ 1,1 V is not 2,2. It will be 1,1-0,4+1,1-0,4=1,4.

Allways nice to know way I were confeused...

wouldn't you need a vq map / translation table ? it would behave very differntly from a normal Z32 by itself..

Well the afc have diffrent settings for diffrent maf's so there I think I'm right.

Tryied again with the 1/2 inj size and changed the inj latensy, seemd to help.
Rest of the problem can propebly be help by fine tuning the injektor k value then I hopp I'm home....

was thinking about this and if you run 2xz32 you halve the resolution...

so you might just want to run an AFM bypass or get a larger one again..

Now have it runing quite god.
Had help from one dyno mapping company.
Now I just have to get powertrain to work propperly again so they can compleate, clutch stopped releasing.....
Got out 463 Hp at rear tyres so I'm happy.

Btw running on sard 850 injectors, so I can confirm that it is possible to use them with Nistune.
At least on z32.

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