Hello. I cannot find the thread like this. I've built engine from zero with new intake and 272' Kelford cams and I think I must first do a MAF scaling, because my idles are crazy !

Can someone links me or write something like MAF scaling tutorial in Evo 9? I can not find these function in Ecuflash :/

Regards from Poland

 

Get a stock Evo 9 rom so y ou can have the stock value.

Then log airflow hz and fuel trims in evoscan while the car is at idle.

Then using that info, you modify the stock MAF scaling to work with your setup.

Search ECUflash forum for "rescaling MAF without pics"