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yes after you add it to the scanner

Did one load and log and I'm getting a lot of timing being pulled

71149

Thanks for your help
I've attached a stock file and the one I modified, if you could look at them, that would be great
I haven't had a chance to load it or reset the pressures


71146

71147

5FDP
thanks for the info..
Did you have a look at my file? are my shift pressures too high? also I never heard of resetting pressures.. I guess that's in the scanner?
I don't mean to sound like a...

Hey guys,
I need a little help with tuning this 6L80 I've searched though tons of stuff on this site.. the advanced tuning guide.
but still not really happy with the way this truck shifts
and...

he's right on my Race tune anything above E50 gets all the timing

I highest I've seen has been 83%

here is what I've done to my truck.. not all are performance related

Airraid Jr intake tube with a modified stock Air Box
pacesetter long tube headers no cats and single cutout
Catch Can...

I converted mine to e85 a little while ago hereis something that will help change the fuel type faster
Also I've attached a Stock Truck 5.3 E85 for comparison

66075


66074

I took a quick look over your tune and I saw this one thing that needs to be changed..
it will make the ECM react to the alcohol level in the truck faster.
and the it is how the Flex Fuel trucks...

there is already a pug for the sensor just in front of the fuel tank..
I added the sensor in line close to the tank by using a Female to Female line
Tune repository has a stock e85 tune

Peak Torque too high..

64802
Too high

64803

should increase stock table by 10% first if still an issue 5% more

That Worked Great!

Thanks again

thanks I will give it a try

Hey guys, It's time to as for some help.
I have a 2015 GMC 5.3 and I've been having trouble getting any more than 18* WOT timing.
I have done a lot of LS tuning but this is my first time with DI...