Originally Posted by
S. Artee
I had a similar issue with my baseline, 280-ish. Even with the fuses pulled, the car still let off at around 5200rpm... After much head scratching, we discovered it was the speed governor that was stopping us.
Spoke with EC about this and they said when establishing baseline on the xf/slk/etc they make a 3rd gear run versus 4th as the numbers are nearly identical.
Fwiw, of course...
I believe I might have been their first manual tranny. They spent a lot of time trying to figure out how to dyno my car for the same reason. Not sure what gear, and what fuses they pulled, to get 'er done. But all future dyno' runs, they had it nailed.