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Thanks for the help this worked great.

I figured it out. I had a extension cable hooked in to the OB2 plug then my Dakota Digital gauge hooked into that. I put that in after the original dyno tune thinking that if I ever wanted to hook a...

Hello
I need help I went to write a modified tune in to my LS Swap C10 & it said failed timed out. Now it has wiped the old tune out of the truck & it wont start.

I have a 2020 Silverado that is about to come off warranty I'm wanting to shut off the DOD so it will run on all 8 cylinders all the time. Can it be done with the HP Tuner if so what's my 1st steps?...

Ok thanks so changing the "49" value to something like "45" in the cell under 192 is what you mean?
One other question, to do that I will have to purchase credits wont I? I'm very new to HP tuners....

Morning
Here is the tune from the truck
It has a E38 ECM and a T42 TCM. thanks guys for looking at it.

We installed a LS3 crate swap in a C10 pick-up with electric dual fans vintage air Speartech harness & ECM programmed also by them for the initial startup. Before the truck was sent to Dyno tune the...