Okay, Do my Airflow numbers look right? I've searched and made me even more concerned

[MarkAngelo05]

Hi!

I know this is a bit of a noob question, but I would like to know your opinions on Airflow numbers...

I'm using a KEYDIVER STAGE 3 Chip/eprom ecu ZEROED OUT AFC Corrections.

Okay, well, I have a custom 18G clipped 15 degree TD05 turbine wheel stuffed in a GT PORTED housing, Ported GT manifold, tubular o2 housing, to 3 inch exhaust no cat. fuel mods and other supporting mods.

I'm set at 18-19psi of boost, and my peak airflow is only 31.15 lbs/min @ WOT 6300 RPMS... is that about right?

I have checked for boost leaks, etc.. but I thought It should be less... or more... that's why I posted this... I started experiencing knock at 6.3k rpms so I let off there.. I'm just trying to get things squared away before I get on the dyno.....

Thanks!

Mark

 

[nanokpsi]

If you are using an AFC to tune the car, then your airlfow numbers will not be correct as they basically "hide" airflow to lean the fuel curve out.

 

[MarkAngelo05]

zeroed out AFC corrections, sorry, forgot to put that in.


mark

 

[CanadianTSi]

Maybe slightly low, but fairly normal for that boost level.