Not sure what correction factor was. I have figured out that my torque converter was slipping. I didn't know til I did some spirited street driving. I just know made 641/1330 in 105 ambient temps... But was only making 43lbs of boost. A simple double drain and fill and putting dex III in my built trans has cured the slip.. Or flare. I plan to re-dyno the truck, with cooler temps I'm expecting 100rwhp gain... We'll see! I see well over 50psi of boost again on the street... Up as high as 58.