when making logs and tuning is there an ideal intake airflow tempeture?
i see that when my intake air temps are below 88 there is no knock but when they go up to 95 i start to get a little bit of knock.
so is this normal?
thanks

 

yup, the hotter the temp, the more likely you'll get knock.

 

so when tuning i most mantain the same intake air temps?

 

I was supposed to pm you, but I did not get around to it. Turbo cars are very sensitive to intake air temps. The higher the temps the more likely the knock. I try to keep the IAT temps below 80 when testing.

 

by no means do I have any standing, but I would think if you are going to be driving in 95 degree heat you might as well tune to that temp too. That, plus I am of the opinion the ecu has correction factors for AIT coolant temp and baro.
So at least some of the hot weather tuning should translate when you drive in cooler weather. Evidently its not as effective as it should be, but you should tune to the conditions the car will see.

If the only time your car sees these temps is when you are logging then thats a different story.

 

isn't the ECU meant to compensate for lower/higher temps and add extra fuel?

 

There is the Air Temperate Compensation table which a few people on here were meddling with and this would seem to help I would guess. I think when they were tuning when it was colder they raised the numbers in the warmer cells so it would even out. Probably reversing this strategy would work for warmer temps...only one way to find out though .