Scroll down to see more information on Speep Pro computers.

To down load the actual Speed Pro Demo Cal Com fuel injection Software and see how it works click here.

To down load the actual Speed Pro T-Com software for your programmable computer system used on the 4L80E and 4L60E transmissions click here.

Click here to return to Parts and Accessories page

After downloading the program click on install to unzip it.  Next go to the directory where the file was downloaded to and  double click on the television icon that is labeled Cc to start the program.
If you want you can delete the file calcomdemo.EXE.  After the file is unzipped you will have no use for it.

Pictured here are some of the screens you look at with the Cal Com software when programing the Speed Pro ECU.

Click on any image to show a larger view, use the back button to return.

This is the ECU that does it all. It's very powerful!	Select what you want to tune and go to that screen	Go to any cell to change the value, the sensors will tell you if it needs to be greater or lessor.
Stretch this line up or down to change it's values. You can see the dashboard at the bottom of the screen.	The highlighted cell shows you where the motor is running. You can change the timing as little as 2 tenths of a degree.	Select the dashboard display you want at any time.  Know exactly what the motor is doing.
Make a run and stop and look at it with the data log feature.  Change what you want and make the run again to see if it's better.	Click here to return to Messler Products Company Web Site.	In the 3D screen just stretch the mesh to any point to change values.