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I haven't seen anything about this but on a 2015 Tahoe I am tuning there is a Clutch air purge master enable/disable. Should that be disabled when raising line pressures? I know on the 2019+ Rams...

hey guys, so ive got a nice 20-20 tune in the duramax i work on, the guy wont buy gauges but it seems to be a nice mild tune that runs very clean except right at the botom to light the turbo. im now...

Ive got one ill post up here once i get the torque converter like i want it but i took it on a 120 mile trip mix of city, highway, and hills and i averaged 23.8 mpg by the dic. havent checked it by...

nothing yet. i havent had much time with the truck as the guy has been towing

in the stickys there are 5 fuses you need to pull to mess with the llys. have you pulled them?

thanks for the help guys i will be looking into this more before i begin to play with it

did you pull tbc batt, tbc ign 1, radio amp, radio, and info fuses? if not pull those fuses and try again. they are found in the underhood fuse block.

let me know what results you get i was having the same issue with a lly i am tuning

alright so i haven't seen many people talk about this but does anyone know how much to change the torque reduction fuel quantity to remove the defueling of the engine during shifts? i know what table...

are you viewing the tune in advanced mode?

take out the bulb in the gauges for it lol

have not yet finished my towing tune. although on my towing tune i might leave egr on not sure yet though.

the tune is great just use your stock trans settings. very strong tune though i would guess 100hp+ on that tune. im working on the tow tune still havent quite finished it up.

i would like to see some light tow and heavy tow with turbo brake tunes. and some economy tunes as well if anybody has any.

here is a tune i pulled from the repository and made a few adjustments to.

64545

edit: guy has been driving his truck for a few days and said now it is shifting hard as well as takng a long...

yeah i know its a bummer, but if thy would look into it and made it possible they could blow efi out of the water. i mean look at all the duramax's that ride around with efi live. they could have...

im new to this myself, i know egt and boost is very important on diesels but i dont know how to log them.

the more i look into this the more i think this is a feasible thought. even if hp tuners charged extra to use the custom operating system, it would be well worth it. i have no idea how hard it is to...

not sure i dont have a log file in front of me but if you could you would go into vcm scanner and after connecting to the vehicle go to vehicle controls and special functions and the option to do it...

After doing some research on the subject of using dsp switches with hp tuners it will not work unless we can talk the guys at hp into designing a custom OS like efi live has and getting a switch....

how did your tune work after doing murfies mods to it? i have a friend that would like a ghost cam tune in his f150 as well.

the 05 lly i tuned had to have 5 fuses pulled from under the hood. radio amp, info, tbc batt, tbc ign 1, and radio. pull those fuses and see how that goes. i think theres a thread in the stickies...

alright thanks for the pointers i will post a tune once i get the time to make it before i put it in his truck lol

thank you. i found out i was viewing the tunes in basic and not advanced mode. if i were making a tow tune should i just up the boost a litlle and leave fuel alone? or do they go hand in hand? also i...

thanks guys ill be trying this in the next couple of days. i tried a tune from the tune repository but it shifted terrible so i returned it to stock. yes i learned quickly they are different than the...