Hondata

Changed 4.77 FD and also changed in calibration (sensor) speed adjustment ECU -17% but the gauge on dash still wrong with my GPS speed, I check the 06-10 civic calibration they have 2 different speed adjustment, 1) for ECU, 2) for Dash.

anyone can help here?

Thanks

There is no adjustment for the dash for the S2000. You may need a speed signal converter to correct for the change in final drive.