I have a 08 job 2 build date 11/07. i only run my truck on a diablo 80 tune, but sometime in 1 to 2 and 2 to 3, when it shift the trans slipps it only happens at about 3/4 throttle some time it slams alittle. does not fell the clutchs are slipping, and it rarely happens like 1 in 20 times. any advise or idea would be great so i can atleast know where to start.. truck has 193 k thanks for you help