Airflow vs. PSI - Big turbo @ 24psi - car is still slow

[daren_p]

I have 272's HKS re-grinds non-degreed. I`m only using DSMLink on the street to tune, I might be off by maybe 50horses if I were to go to the dyno, but I`m only looking to solve this problem and not squeeze every last bit out of my car and so far I`m making progress.

Keep in mind, my tuning began at about 105F weather (thats about 40C for us in Canada here). The actual weather outside was about 77-86F, but I`m guessing the intake temp(s) are a bit higher because of the under-the-hood element. The temps got considerably lower as the night progressed, and my results got higher. The car pulled harder and harder the later it got.

Inlet temps make a good difference in lb/min. When I first installed my evoIII in the spring & logged a run at 15 psi with 40 something deg inlet temps I saw 32 lb/min. Now with the boost set 18 psi and inlet temps in the 80's I see 31 lb/min max, now when the weather starts getting colder I wonder if I will see the 35 lb/min I should get with inlet temps like my first logs.