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      08-05-2021, 06:41 PM   #22
StockM4
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Drives: BMW M3
Join Date: Mar 2021
Location: new york

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Quote:
Originally Posted by Sales@KRATOS View Post
Quote:
Originally Posted by MJ6 View Post
So my dyno tune session with Jordan Tuned was today, and if I'm being quite honest I'm a little underwhelmed. I'm not sure if it's tuner related or mod related, but it does leave me with questions. I will state that communication and turn around on revisions was great despite their voice communication system being down.

A few caveats before the results: the tune was performed remotely via DynoJet but utilized SAE correction as opposed to STD correction during the majority of the pulls until the dyno operator figured out how to adjust them. Jordan Tuned also thinks that I may have a small boost leak somewhere (my builder is looking into it this week), and BM3 stopped communicating with my DME on the tail end of the E85 tune so we didn't have an opportunity to hit final revision status.

We started off by polishing up the 93 octane road tune; based on some of the results I'd seen I expected to be able to hit the magical 600whp mark relatively easy. Numbers aren't everything, but after a baseline 506wtq and 483whp on a custom stage 2 tune, I admit that expected a bit more than 561wtq and 539whp. While SAE does use a more strict correction factor, and if there is a boost leak it could obviously effect the outcome, I was informed that we we're "octane limited" which was a bit confusing given the reported results others have experienced on not only Kratos turbos, but Pures and GC's as well.

The E85 tune took some time, and we did experience some boost spiking which could have been attributed to the suspected boost leak. Although we didn't have the chance to finish it up due to the DME having communication issues, one of the last successful runs we had (STD correction) was 695wtq and 662whp. I have to admit, on a stock bottom end the 695wtq concerns me, and 662whp when alternate fueling typically nets 700whp+ feels off. Again, this could either be a limitation of the EU5's and upgraded HPFP's or the simple fact that we weren't able to finalize the tune.

Ultimately, I'm left unsure. The 93 octane tune left me feeling subpar, and the E85 results are concerning to me (albeit unfinished). I'm still considering moving forward with Halim and HCP being that he worked directly with Kratos and Dorch with the EU5 injectors previously, but I'll want to check for a boost leak first obviously.

I'm still learning to read the logs, but nothing drastic jumps out at me; if one of you guys wouldn't mind taking a look though I would be appreciated so I have a better idea of what to look for.

Data Log Links
93 octane :https://www.bootmod3.net/log?id=6109...0b431bdc8a387c

E85: https://www.bootmod3.net/log?id=6109...0b431c63426ca0
Based on the logs provided, we can clearly see that your car is definitely not producing the boost level below 4k that we tend to normally see on both our cars and our customers cars. For example, on your pump gas log your car is producing significantly less boost at 3500rpm than the vast majority of logs with our KRAS55Bi's installed. Also, you'll notice your car struggles to maintain boost in the upper rpms as shown by boost deviation. Therefore, it would seem there is some sort of boost leak occurring that would need to be addressed.

We also noticed that you have quite a bit of timing correction occurring on the pump gas log. We're not going to speculate as to the cause of this, but it's definitely robbing quite a bit of power as you should be well into the mid 600whp mark on just 93 octane alone based on all the data we've collected as well as what's been posted by others.

Lastly, both logs show HPFP targets to be significantly higher than what's needed considering you have the Dorch lift kit installed. The Dorch lift kit increases HPFP volume by 38% and therefore does not require 3700psi+ fuel targets once installed. In addition, high HPFP targets are directly related to DI injector failure. We target a HPFP average of 2900-3000psi with the Dorch lift kit and EU5's installed on E85 and have produced amazing results with fuel to spare. As a matter of fact, just yesterday one of SSR Performance's customers cars just produced 800whp with EU5's on E85 and stock HPFP's. Granted, this is a built engine car that is still in the process of being tuned with the power turned up but that doesn't change the fact that EU5 injectors alone can support 800whp safely on E85.

Once you address these issues you'll be well on your way to producing the power level that should be expected of your setup.
So what your saying is if i go upgraded turbos i can run full E85 with just EU5 injectors? And stock hpfp? Or would u recommend to atleast get the hpfp lift kit with the EU5 injectors.
Im stock motor if that makes a difference to your answer.
Appreciate 0