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Hey I figured out why my boost target was low, my failsafe was set to like 23. I also did some runs on 4 gallons of e85 to full tank of 92. On map 3 and map 5. I began to mess with IAT spoofing to run better timing since I’m On e is it safe for the car? Like if it were to start...

Hey guys I have a couple of questions regarding my tuning on map 4. I am manual and have a catless downpipe. I set the duty bias to the values given in the first post and my ff is set to 15. There’s not to many throttle closures and timing looks good. But I noticed that I’m not hitting target...

Alright I’m running the recommended duty bias and have my FF at 22, highest FF with minimal throttle closure. Did runs in map 1,2,3 with the same settings. (Might have to adjust my duty30). My timing looks about the same across the different maps (I’m not sure if that’s a good or bad thing)...

Gotcha, made those changes to the FF and to the duty bias according to the first post couple of the first pull the traction was on Did 1 with map 2 just to feel the difference, I feel like the car isn’t pulling as hard as it was before the duty bias adjustment, but if this is safer then that’s...

Okay sounds good thank you! I’ll do some more tests tonight. Does the lower number in the duty bias mean that the wategate is open for longer or shorter period of time?

Thank you! Also I forgot to mention that last run was on a catless downpipe should I adjust the values that you gave me?

My fault I I figured it out, I changed the values from 50 - 55 in the duty page from 5k and up and this is the new data log for map 1 in 4th gear. https://datazap.me/u/mark-gorospe-jr/log-1768993189?log=0&data=1-4

Ohh okay thanks, what about for adjusting the duty values above 5k rpm? Change the values from 0 to 5? Or use a different number?

Thank you for the response and tips! For adjusting the duty bias, I go to the “duty” tab and change the values from 0 to 5 on 5k and up? Also what would it take for me to run map 2 safely? Do I need to add octane booster? Or maybe better quality fuel from a different gas station?

Just Got the jb4 installed on a 25' MT supra, currently located in Hawaii and have 92 gas as max octane. I have an armaspeed intake going to put the FI catless downpipe as soon as it comes in. I took some data logs in maps 0, 1 and 2. please let me know what changes I need to make for her to run...