TunerPro User Forum

Thanks for the answer and sort of knew that was going to be the answer, but I was once told 'the only stupid question is the one not asked'

Oh well off the get a better timing light.
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Just a question regarding using TunerPro to set initial timing. Have a 1995 Chev G30 with 454 (7.4L). The crankshaft timing marks are impossible to see and my old timing light isn't working all that good. With the spark advance wire disconnected for distributor (per data plate instructions) can I us...

I'm using the _TRANS1- file and TunerPro apears to work just fine. Just for info, I was unable to download the _TRANS2_ definition file to begin with, got an windows error message that unable to locate.

I did a physical check prior to using TunerPro and I do have an 4L80e trans.

I have a similiar question regarding where I can go on the internet to find out if the parameters I have recorded using TunerPro are within the operating range per original manufacturers specs for my engine. I have a 95 Chevy G30 454 (7.4) motorhome and I can see the various values for sensors, but ...

Got TunerPro up and operating on my 95 Chev G30 454 motorhome but confused about the datastream definition files (.adx), like what is the difference between A218_OD_TRANS1_V250.ADX and A218_OD_TRANS2_V250.ADX? If there is a real difference should be mentioned somewhere.