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Referring to the expander hub for the mpvi2 so we can datalog WbO2 directly to out unit again !!!

I have the same 03 truck and had that happen to me too. I had to have my computer online via wifi hot spot using my phone so HPTuners could verify license during re-sync and then it was back to...

Looking to purchase a dropout L33 and been studying and watching videos and it just occurred to me while watching the guy on lt1swap video redoing a stock harness that most all of these, if not all...

Talk to James at Shortuning, he has recently developed some exclusive programming and is super up on Flex Fuel and how and what you can do with it. If I am not mistaken he can sort of segment swap...

Been racing around for 35 years and ya, this is exactly what is going on and why boosted applications go further !!!

Doug...

I would recommend searching out a few you tube videos to get your head thinking in the general right direction. Power Enrichment is effectively disabled in a lot of stuff, you can look there without...

Ballenger Motorsports AFR500v2 seems to be a favorite and would be my choice today, for the price. I bought daytona sensors but kinda wish I had got this one instead. It comes with the NTK sensor...

I am new here and still green !! but with that said when I study your scan I see something familiar to myself from last week working on my stock 6.0 chevy truck. I was having those wild swings in...

I was up in Milwaukee this weekend for a Realtuners school on hptuners. One of the cars there to be tuned was driving them nuts and the problem ended up being on of those efi source 3 bar maps that...

Drive any 6.0 hd 4l80E truck back to back with a 1500 4l60E and the transmissions are night and day different in terms of perceived feel based on that doggy feeling 4l80E. I in fact would rather...

Don't LTFt #'s reflect what they need to do to correct for the shortcomings of an improper the ve table. I don't think they change the table just change the output to the injectors and then tell you...

I am used to tuning outlaw style drag cars so to me it is unacceptable to ignore it. Since this is a stockish application for now and I am just learning I kinda figured it was no big deal but just...

Am I mistaken or wasn't torque management on both eng. and trans, as well as abuse mode alreadey disabled. Pe was already adjusted to do it's job as well. This same stuff give me 20 ish hp and tq. ...

It is gone now that i wiped out all tq mgmt. not sure what was driving it. I am working my way towards a small turbo to boost towing torque and having 20? swings in timing was not gonna work. ...

Here is my bone stock lq4 tune. 2003 gmc 1500 hd 4x4 4l80 3:73 gears if you would like to look it over for comparison. i will attach it and a scan log so you can see what I am getting.

82368...

Yes no change, sorry should of said... Runs along on CC ar 55 mph on the flat and just random drops from 30 to 17 approx on both ends. no change from the 75% reduction in TQ Mgmt. Total TQ elim. in...

I really appreciate the help and advice. I done the 75% TQ reduction and raised the 1-2 and 2-3 shift points 3 mph through the low to mid range and it feels a lot better to drive. I have went back...

In the bottom right there is a button to click that says ADVANCED click here, then click ADD FILES, " browse to you log file and double click it, then click UPLOAD, then look slightly below that were...

Thanks for the direction, I removed 3/4 of the TQ Mgmt in the trans section for now and a first step. No hvac at all on during that scan log. I was not sure about that 9 digit # in those cells in...

Here it is. I am too green to understand you comment about IAC. My channels are copied from the tuning school web site downloads to get me started until I figure out what all to monitor so there is...

I realized I had posted the wrong scan log. Just went out and duplicated it and and edited my original post. I double checked the AC question and this one is without.. I got a feeling this is not...

How can I figure out what causes these down spikes in the actual logged timing. On this log the last minute or so was cruising through a small town on cruise control at 44 ish mph and I keep seeing...

Only thing I can add and it is weak... I was studying adding channels to my graphs the other day and I saw the statement " If it comes up as available to add to the channel then you can and if, not...

I tuned the High Octane spark adv table to eliminate KR and realized I lost the ability to benefit from good gas and put it back the way it was and let the truck pull timing as needed when running...

post up a revised tune and scan log if you get a chance...