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Hey, looking for some advice on calibrating the speedometer on a 17 Silverado. Anytime I try to make a change to correct the speedometer the cruise control will quit working correctly. The...

Fixed, I updated my computer and re installed the 2.24 and it seems to be working now.

Help I'm trying to get my 4l80 swap up and running and I have the newest updated for hptuners and I have a check engine light but the scanner will not let me view the code. It will let me clear it...

The car is a 04 gto with a 2800 stall that seems pretty tight. The car tries to push through the brakes when at idle. The cam is a Comp Cam 228/228 .588/.588 112+4 LSA. Just a cammed LS1 with...

Did you get the DFCO working? Or is it not going to happend with DOD turned off? I have a 07 NBS and I'm stating to try to improve the mpg.

I wonder if this would work with a 05-06 Gto? Looks like I need to buy me some service manuals.

So what did you change?

Did it crank before you flashed it? Try disconnecting the battery for a few minutes.

Ed, I might have to take you up on that offer where are you located? If I only have to buy two credits for the custom os I wont mind that I just don't want to buy four. I should be done with the swap...

Thank you dsteck and ed! So I can't change the vin unless I have unlimited credits?

I have a stock 06 file that has the same os id. That I already have a license for. My vin is: 6G2VX12U46L540893

Tell me if I have this process right, please.

1. Do a write entire back to my...

Doing the same thing soon M6 to A4, In for answers.

Thanks GNX! I sent you a pm on the other site.

Ok, I have a couple of questions now. Did you get a new tcm and program it with hp tuners or was it out of another gto? I thought they had to be VIN matched? Also how did you go about changing your...

Thanks GNX! I've been following your build on ls1gto. And it seems you have everything figured out now. I'm in the process of tracking down a TCM and harness now lol. I keep hearing how bad the...

Now you have me thinking. That would make things easier though, just is going to be a pita to change the harness out.

Well the time has come to get rid of the six speed. I plan on getting a optishift controller (any suggestions on it?) I want to know if I need to keep the manual tune or change it to an auto? I would...

This!

Tried the BK changes and that wasn't it. I also logged bk and it's not picking any up. I'm going to get him to switch to Tr6 plugs and report back.

Thanks for the help!

Completely missed that, I should of been logging it. I will try it and report back.

Thanks!

I'm tuning a LS1 gto, A4, 3000 stall, CAI, and Cam specs: 228 duration .588 lift 112+4 lsa. Plugs are tr5's gaped at .060

This car does not like timing at all and I know I have to be missing...

Here's a short pull I tried, the car has made 612 on one dyno and 609hp a few months back on another. Also attached the log how do I get the graph to show afr and boost?

Thanks!

I run up to 19 at the track checked the plugs and no signs of knock :shrug:, the knock sensor settings are stock other than the decay rate. I've been doing the smooth selection when I make changes to...

I will have to check that later today, thanks!

In for learning more about this table also!