Logging

ecuload 2 byte logging

Colt Ralliart 2 Byte Load

May 13, 2016 // 0 Comments

If you have ever logged your ECU Load on a stock Ralliart Colt or Colt Version R, you might have noticed it peaks at 159.375.  According to Merlin’s EVO guides, it equates to somewhere between 11 & 15 psi: Boost vs EcuLoad For colts, I’ve found 160 load to equate to around 13-15psi.  But most of us are running higher? How can we reliably tune the car when ECU Load stops reporting load past 14psi? The answer is 2 byte load. Colt Ralliart 2 Byte Load Evoscan (and Tactrix SD card) logging can handle something called 2 byte load but to do that some changes are needed to your MUT table, and also your logging configuration. Before we get into that, some more background. ECU Load is only 1 byte load. To log it, only one MUT [...]
Evoscan Ralliart Colt Knocksum Graph

Graphing Knocksum with Evoscan

September 22, 2015 // 0 Comments

Reading the Tactrix SD card CSV logs in excel is doable, but sometimes you need a quick overview of how the run went, or perhaps you might want to send screenshot of the log’s knocksum to another enthusiast. The best way to do this that I’ve found is to graph knocksum with Evoscan. This is how you do it: 1. Buy Evoscan from here.  They’re a small company, so go on do the right thing and pay the small fee 2. Download & Install it 3. Load it. You should see the following screen. Click the Graph / Logs button: 4. This will load the graphing screen (below). Note you can also do live logging from this screen. Anyway, lets set it up to read your Tactrix CSV log. Set Data Values to Maximum Set Load to ECULoad.  If you [...]
Tactrix Openport

Tactrix OBDII Logging

September 21, 2015 // 4 Comments

Did you know you can track your turbo Colt’s performance and diagnostics via Tactrix OBDII logging? Things needed: Tactrix Openport 2.0 Micro SD card (must be formatted to FAT32!) logcfg.txt file Download my sample logcfg.txt from here (right click, Save As), then copy it to your Micro SD card. That’s pretty much it!  If done correctly your Tactrix device will now log to CSV files on the Micro SD card.  These can then be checked out in a spreadsheet program, or via Evoscan. More advanced users may want to edit which MUT requests are being logged, you can do this by editing the logcfg.txt file with a text editor like notepad.   Also, note that not all of the MUT requests in this logcfg.txt will be correct. They key ones [...]

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