This is what is currently known about the Elan ECU data stream returned from a message of type 01.
Much of this is thanks to Gary Harris, who sells real software to do this.

Byte offsetMeaningConversion
9Temperature °CN*0.75 - 40
12Timing1 ° per bit
13Timing (again)ditto, but 0° reference
14RPM25RPM per bit
34,35Engine run time (seconds)34=MSB, 25=LSB


Anything you can add to this, mail Ian Levy.