Tired of poor shifting - hemifever tune questions
Been a while since I've been on (think the last time when I was posting clips of my Corsa install!), glad to be back on and am looking for some feedback...
I have a '11 Summit 5.7 and like many others, I can't stand the shifting behaviors - surging at 35-40 @1,100-1,300 RPM, slow shifting when shifting from 1st - 2nd along with severe cut in engine power at times, rapid upshifting causing the motor to bog, etc, etc. I had actually brought mine in to the dealer for the surging. They supposedly flashed everything they could, but the surging is still there, and many times when I am under moderate acceleration when the vehicle shifts from 1st into 2nd the shift takes longer than I think it should and it seems like power gets cut...very disconcerting when pulling into fast traffic when I really NEED all the forward thrust I am calling for.
That said, I have been reading many of you are having great success with the Diablo Sport w/hemifever tune. Does it fully resolve the rapid upshifting/engine bogging, and quicken/firm up the shifts? This is my only complaint with my GC...and it irritates me even more when coming from driving my wifes Infiniti M45x or the VW Eos w/DSG she had before the Infiniti. Driving those vehicles shows me what a good drivetrain behaves like. The Jeep is FAR away from that. Can a hemifever tune really alleviate all the complaints?
Last question, which device do I NEED? I see the Trinity and the DCX inTune I-1000. I have zero interest in adding a gadget to my vehicle, taking my GC to the track, etc. I just want to fix the horrible tranny behaviors. Will either device suffice? What can I do with the Trinity that I couldn't do with the DCX inTune I-1000?
Thanks in advance for the info!