Search found 29 matches

by xbrandino
August 5th, 2024, 10:30 pm
Forum: MAZDASPEED6/Mazda 6 MPS Tuning
Topic: Under boosting on new turbo
Replies: 16
Views: 4836

Re: Under boosting on new turbo

Say as you wish, but I assure you I am aware of what I am doing. Quoting you and only quoting you, "I would not go above load 2.3 (pump gas) on these engines before 3500rpm. At 3500rpm upwards it's fine." Maybe English isn't first language, but from my understanding when you say 3500rpm up...
by xbrandino
July 29th, 2024, 1:36 am
Forum: MAZDASPEED6/Mazda 6 MPS Tuning
Topic: Under boosting on new turbo
Replies: 16
Views: 4836

Re: Under boosting on new turbo

I'll get logs with that next time I'm out, unfortunately can't go for a drive at this current time. However I do have 2 logs, one which was driving with 100% wastegate and the other which was only running spring pressure at 0% wastegate. For some reason the forums doesn't upload anything I attach so...
by xbrandino
July 29th, 2024, 12:57 am
Forum: MAZDASPEED6/Mazda 6 MPS Tuning
Topic: Under boosting on new turbo
Replies: 16
Views: 4836

Under boosting on new turbo

I have recently installed a BNR S2 on my car but I'm having issues with boost control. Originally when installing and taking it for the first drive, I was seeing boost levels of 22-23psi+ (!!!), while wastegate pressure is only 1 BAR. Turns out one of the covers on the back of the turbo was partiall...
by xbrandino
July 27th, 2024, 2:43 pm
Forum: MAZDASPEED3/Mazda 3 MPS Tuning
Topic: Questioning Logic of Stock Tune
Replies: 1
Views: 1670

Re: Questioning Logic of Stock Tune

There is definitely someone who can explain this better than me but this is my understanding. Like you said load is basically how much torque the engine is producing. The reason the targeted load drops off above 5000rpm is due to the stock k04 not being able to reach higher loads (with the stock BCS...
by xbrandino
July 20th, 2024, 2:06 pm
Forum: MAZDASPEED3/Mazda 3 MPS Tuning
Topic: Fuel Trims during WOT
Replies: 16
Views: 5100

Re: Fuel Trims during WOT

Interesting about the load, you mean I can increase up to 2.4-2.5 or more as long as torque doesn’t have any unnecessary jumps.
by xbrandino
July 20th, 2024, 4:54 am
Forum: MAZDASPEED3/Mazda 3 MPS Tuning
Topic: Fuel Trims during WOT
Replies: 16
Views: 5100

Re: Fuel Trims during WOT

Okay, I can give that a try. How much more ignition are we talking? When I was initially tuning and plotting the data onto Virtual Dyno it claimed I was loosing / not gaining any more power with the ignition changes, or maybe it was wrong. In terms of load, what do you think I can target and reach t...
by xbrandino
July 19th, 2024, 3:01 pm
Forum: MAZDASPEED3/Mazda 3 MPS Tuning
Topic: Fuel Trims during WOT
Replies: 16
Views: 5100

Re: Fuel Trims during WOT

The log didn't send, I uploaded it to Google Drive instead.

https://docs.google.com/spreadsheets/d/ ... ue&sd=true
by xbrandino
July 19th, 2024, 2:49 pm
Forum: MAZDASPEED3/Mazda 3 MPS Tuning
Topic: Fuel Trims during WOT
Replies: 16
Views: 5100

Re: Fuel Trims during WOT

It has been a minute, but I have a log for you if you don't mind checking over it and seeing if there is anything that alarms you or any suggestions. I have the rev limit set at 6200rpm. The modifications on the vehicle are as follows: - Stock Engine, Turbo and Intercooler - E30 Mix (EU98 + E85) - A...
by xbrandino
July 14th, 2024, 11:37 pm
Forum: BK Mazda3
Topic: Desired AFR
Replies: 18
Views: 12059

Re: Desired AFR

I had to tune a vehicle the other day that was just like this. Turns out the Desired AFR parameter isn't the most reliable. Simply all I did was you have to cross reference with your tune. When you got WOT (APP > 75%) then it will be using the Open Loop AFR Targets despite what the Desired AFR says....
by xbrandino
July 1st, 2024, 11:18 pm
Forum: MAZDASPEED3/Mazda 3 MPS Tuning
Topic: Fuel Trims during WOT
Replies: 16
Views: 5100

Re: Fuel Trims during WOT

Fair enough, I'll let you know. Aside from fuel trims, with ignition timing how aggressive can you make it when coming into boost to help increase the spool rate and what is a general amount of ignition you can get across the board with the stock K04? My K04 seems to flow a good amount of air seeing...