Digital Corpus
Top Post Dawg
Sorry, but I'm doing this post remotely and I "can't" be bothered to post a MKIII or MKIV SOI map. However, they're commonly known so I suspect such an image is redundant. Anyhow, to the question...
Why flatten the hump? Even before VAGSuite, now redone and being developed by another individual as EDCSuite (distributed via Facebook btw), it was dogma to flatten the hump @ ~2000 RPM & 10-15 mg/str. Why has this been done?
I'm busy doing iterative logging for test-and-adjusting my GTB1756VK and redoing the N75 map. Having more precise values instead of relying on the min and max duty cycle maps, is preferable in my book. It is common method for some tuners, and I don't fault them as to why they use this method to which I can explain some this logic at a later date; anyhow I digress. What I've seen while logging is that this bump yielded the PID control to consistently open my vanes in this IQ range and then close them up when requesting a higher IQ.
Whether this is only correlation and not actual causation, I suspect it is the latter, which means that the more advanced timing nets more exhaust gasses aiding in spinning up the turbo charger with that hump. Why is the hump removed and the timing retarded instead of raising the retarded section of the map?
Why flatten the hump? Even before VAGSuite, now redone and being developed by another individual as EDCSuite (distributed via Facebook btw), it was dogma to flatten the hump @ ~2000 RPM & 10-15 mg/str. Why has this been done?
I'm busy doing iterative logging for test-and-adjusting my GTB1756VK and redoing the N75 map. Having more precise values instead of relying on the min and max duty cycle maps, is preferable in my book. It is common method for some tuners, and I don't fault them as to why they use this method to which I can explain some this logic at a later date; anyhow I digress. What I've seen while logging is that this bump yielded the PID control to consistently open my vanes in this IQ range and then close them up when requesting a higher IQ.
Whether this is only correlation and not actual causation, I suspect it is the latter, which means that the more advanced timing nets more exhaust gasses aiding in spinning up the turbo charger with that hump. Why is the hump removed and the timing retarded instead of raising the retarded section of the map?