Datalogging and/or tuning your OBD1 Beretta
Posted: Tue Aug 27, 2013 7:18 pm
Time for a how-to thread on this subject. I have some good links to point you in the right direction. My experience is with the v6 7730/$A1 and an AutoProm, but there are lots of ways to do it.
Gearhead-Efi.com is a good source of knowledge on GM OBD1 tuning for the DIY'er. This is the link for their information on 7730/$A1:
http://www.gearhead-efi.com/Fuel-Inject ... rmation-A1
V6Z24.com also has a lot of information specific to the FWDs that can be viewed here:
http://www.v6z24.com/jbodyforum/getting ... 73503.html
http://www.v6z24.com/jbodyforum/tuning-faq-t102758.html
TO DATA LOG:
All you need to buy is a cable - that's it! The cable plugs in to your OBD1 port under the dash and transmits the ALDL stream to your laptop. Here is the cheapest cable I know of, and it helps support gearhead-efi.com:
http://www.gearhead-efi.com/Fuel-Inject ... LDL-Cables
Edit: if they are unavailable from there, they are also sold at http://www.aldlcable.com/
You need software and the proper definition to receive and translate the ALDL stream, both are free. TunerPro RT is online for you to download, and the definitions can be grabbed at either gearhead or z24 in the links above.
http://www.tunerpro.net/downloadApp.htm
TO TUNE:
To tune you will also need chips and a burner on the hardware side. I use an AutoProm from Moates, but you could also use a Burn1 or other cheaper alternatives. An AutoProm is nice because it will read, burn and emulate BIN files. You can also use it to datalog, negating the need for a separate ALDL cable.
http://www.moates.net/gm-19851995-c-64.html
http://www.moates.net/c2-sst-27sf512-ch ... l?cPath=26
On the software side you will need the BIN you are running and its definition - the XDF. These are available at gearhead or z24. Once you load the BIN and XDF in TunerPro it is pretty self-explanatory. After you have made the changes you want, you burn the BIN to a new chip and install it in your ECM.
Any other questions just ask and I will update this post.
Gearhead-Efi.com is a good source of knowledge on GM OBD1 tuning for the DIY'er. This is the link for their information on 7730/$A1:
http://www.gearhead-efi.com/Fuel-Inject ... rmation-A1
V6Z24.com also has a lot of information specific to the FWDs that can be viewed here:
http://www.v6z24.com/jbodyforum/getting ... 73503.html
http://www.v6z24.com/jbodyforum/tuning-faq-t102758.html
TO DATA LOG:
All you need to buy is a cable - that's it! The cable plugs in to your OBD1 port under the dash and transmits the ALDL stream to your laptop. Here is the cheapest cable I know of, and it helps support gearhead-efi.com:
http://www.gearhead-efi.com/Fuel-Inject ... LDL-Cables
Edit: if they are unavailable from there, they are also sold at http://www.aldlcable.com/
You need software and the proper definition to receive and translate the ALDL stream, both are free. TunerPro RT is online for you to download, and the definitions can be grabbed at either gearhead or z24 in the links above.
http://www.tunerpro.net/downloadApp.htm
TO TUNE:
To tune you will also need chips and a burner on the hardware side. I use an AutoProm from Moates, but you could also use a Burn1 or other cheaper alternatives. An AutoProm is nice because it will read, burn and emulate BIN files. You can also use it to datalog, negating the need for a separate ALDL cable.
http://www.moates.net/gm-19851995-c-64.html
http://www.moates.net/c2-sst-27sf512-ch ... l?cPath=26
On the software side you will need the BIN you are running and its definition - the XDF. These are available at gearhead or z24. Once you load the BIN and XDF in TunerPro it is pretty self-explanatory. After you have made the changes you want, you burn the BIN to a new chip and install it in your ECM.
Any other questions just ask and I will update this post.