[Ranatsu]

Originally Posted by jedibow

The intake did smooth out the MAF readings, and according to visconti the ECU runs open loop at WOT, so the only reason the command AFR and actual AFR ratios would be the same is whoever tuned the factory MAF scalings and compensation were spot on, kind of cool.

What this means is once tuning is available you will not have to arbitrarely assign values to the independant cells in the fuel map, what you enter is what you will see in the external wideband gauge. It will make life easier.

I would also like to comment that the oscillations between AFR on the dyno were +/- 0.2 points in AFR, after the intake, it did not oscillate at all.

BTW max hp 171, max torque 146. these values are SAE corrected ofcourse for my being at 5500 feet above see level, however uncorrect it was 136, and 117 almost exactly what evoscan predicted, awesome.

Thats how the Impreza's have been in the past.