BarraDrifter Posted April 11, 2019 Share Posted April 11, 2019 Ive read through the speed density tuning how to a few times now and im not sure if im missing it or if its not explained there but im wondering how the MAP Intercept at Zero AIRCHARGE IMRC Open table (auF0057 in A3AD calibration) is established. Im up to tuning the turbo conversion me and a mate have been doing and comparing the standard table of the NA ba to a calibration of a turbo ba the numbers are all different no surprise there but im assuming it is important to have these numbers correct before doing the slope tuning. thanks your help is much appreciated Quote Link to comment Share on other sites More sharing options...
Roland@pcmtec Posted April 11, 2019 Share Posted April 11, 2019 I'm fairly sure Darryl covered this in some detail in the other thread but the rough guidelines are as follows: If your fuel trims are off by 10% at 0-5kpa and then perfect from 10kpa onwards you should modify the offset (map at zero aircharge) by 5% and then the slope very very slightly in the opposite direction. If your fuel trims are off by 10% at 0kpa and at 300kpa, then you should modify the slope by 5% and leave the offset. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.