set up for gm 90 used with gm 13.5

[Abbo_scfc]

anyone know of a good speedo set up for gm 90 and gm 13.5 in a 10th touring car. i have a set up but doesn't seem to keep up with other gm and tekin's.

[MattW]

Which ESC version?

[Abbo_scfc]

2010 thinks the firmware is 12.2 need to upgrade it to 13 but can't seem to get the upgrader to work.

[MattW]

12.2 should be ok. As a solid base setting, the standard mode 9 should work well.