I Installed the LC5 Alpha Software from Cobb into my AP 006 and sent my custom tuned Jack C map to Joe.
He returned the map with a 4100rpm LC4 launch.
LC5 now officially works on my 2010.
Here is how to install the Cobb alpha firmware #: 126.96.36.199-3587 into your 09-12 GT-R
First uninstall the...