Help what can is this
http://elliottsportworks.com/?page_id=32
The machine accuracy/condition/setup could easily account for the ~2 deg duration discrepancy. And the ICL number just shows it wasn't indexed in the machine as you would run it in your engine.
Go with it!
Even if those numbers are accurate, don't kid yourself that 2 degrees of duration will make any noticeable difference.
Make sure you index it, preferably to 105 to 107 ICL.



