Are there “scan tools” available for the LT1 that allow me to monitor the various engine parameters at work?
There are several. The best, by far, is the GM Tech 1 scan tool, which is used by the GM dealerships. However, at over $1000 a crack, this is out of the normal “mod” budget for most of us. The next best solution is the Diacom by Rinda Technologies. Diacom is a package that will run on most laptops and can monitor and record most PCM activity for 94-95 cars. 96 support is currently incomplete, but most values are present. For more information, see their website at http://www.mcs.net/~rinda/auto.htm. The Auto-XRay is made by Jones Electronics. It is a stand-alone electronic device that can plug into the ALDL port on 94-95 Impalas. I am not sure if it works on 96s or not. Current best price is $??? from $??? (can someone help me here??? More info, please???). A NAISSO member is making a tool called the Scanmaster LT1 that is designed to display and record critical data from the PCM. The product is a small plastic box with the front panel being an LED readout. It just happens to fit in the