I have asked Bell & covill if it can be recalibrated somehow.
For now the Sat Nav is in use though at 2000 rpm
20 is in second
30 is in Third
40 in 4th
50 in 5th
70 in 6th

60 is 2.5k in 5th
Based upon the sat nav & your spreadsheet.

JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"