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| The water temp sensor is in the water pump. | This is the oil pressure sensor; one just like this is in the transmission as well. Next up will be a fuel pressure sensor and throttle position sensor too. |
We hooked the cable up that goes between the Main Module and the LCD (dash) Module and turned on the battery. WOW! Great looking display that you can setup to show you exactly what you want to see. It can be dimmed at night as well. There are two LED warning lights on the dash that you can program to turn on and off at any pressure or temp you desire. We are using the red light for low oil pressure warning and the yellow light as an EGT warning light that comes on at 1125 degrees.
Programming the display and matching the display to the proper sensors looked intimidating at first, but after about 20 minutes trying different things we got it to look like we wanted it to. Right now you have to go through a bit of a process to reprogram the LCD Module after you make changes. If this can be simplified it will be a little easier to play around with. It isn’t difficult right now but you have to reinsert the SD card and make two “test runs”. I had no idea what that was at first and I thought I had to start the engine or something. You don’t! You just have to turn the ignition on, push the “record” button and then push it again to stop the “record”. Do that twice and the LCD Module thinks you have made two runs. That sets the memory and you are ready to go. Computech is making some changes due to our input and the ones that will be available will have the easier to use features they are adding to ours.
The driveshaft speed sensor and bracket. This is becoming a great tool for us as we gather some information.
Now that the LCD Module works we wanted to start the car and see if the sensors were set correctly. The engine RPM worked great, the EGT was right, the driveshaft rpm looked strange and the oil pressure was not working. Two simple things we overlooked on the setup. The magnet on the driveshaft sensor we used is a four-magnet ring and the Module was programmed for two. We clicked on the “four-magnet option” and that was done. The oil pressure was our fault again. During the setup we did not look at the sensor and we chose the wrong one from the list. We corrected that to the 150-psi sensor and it worked perfect. Once you make these program changes you have to make the “test runs” I mentioned earlier to reprogram the LCD Module. After you do it a few times it makes sense and only takes about one minute to do it.
Now for recording some data and seeing if we can use it. For me, the coolest thing about recording the runs is how easy it is to get the data and transfer it to your computer. No cables, no adapters. The DataMaxx uses a common “SD Card” that simply plugs into the LCD Module and after the run or after a few runs you simply pull it out and plug into the SD card port on your computer.
The DataMaxx program is a very easy to use Windows-based system that we had zero problems with from the start. Put in the card, open the program, click on the “SD” button and it downloads the run or runs. The card is date stamped when you hit record with day and time, you name the event and from then on it keeps track of run numbers and time of day.
