can someone email me please on the steps to change the shift points on the 09 auto 6.1 Nag1. bought the HP license did the math for changing the shift points from 6,200 to 6,400 and seem to missing a...
Type: Posts; User: steve 13
can someone email me please on the steps to change the shift points on the 09 auto 6.1 Nag1. bought the HP license did the math for changing the shift points from 6,200 to 6,400 and seem to missing a...
tried to use the HP tuner got the license and We can not figure out what step we seem to be missing. going from 6,200 up 6,400 and increase of 200 rpm. thanks..you can also email me at...