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I do not have the pedal, it seems this ECU that was in the Avalanche I bought was from a different vehicle and that vehicle had the adjustable pedal. So my pedal is showing 155% at WOT, the throttle...

Got it, think I should multiply the table by .65 to adjust the value down?

Got it, so the 2004 Avalanche blew a motor and I guess the guy that had it did a swap. I took the Avalanche after it was wrecked and pulled everything and have it in a 1965 c10. TAC and Pedal from...

No I am trying to use the stock pedal and TAC from 2004 with Xlink to TBSS 90mm Throttle. I am confused a bit by the accelerator position I saw today. I am considering ripping the DBW out and Going...

Thank you both. I tried cranking it today and it fired up twice but then it will not crank again. I am going to be doing some work finding a few leaks and re-sealing those so I will have to come back...

Replying to all, the grounds are good, I redid those right after. Low voltage, I will address, vats are deleted.

It will not start with starter fluid. I will capture the injector pulse width on...

Group, Thank you for your input for a struggling newb. I had my truck running with a 5.3 from an 05 silverado. I have the following things that I have done and short story, it was running... I...

Sirius, Thanks I have that file, that is where I pulled the data for the 50# ones. So I only need to update the injector tables and nothing else then tune with my wideband using speed density only.

Sirius, I got some 12613412 and 12613411 injectors recommended here on the forum from Ebay from the recommended vendor.
I updated the tables from the gen 4 excel files here too. Do I need to change...

PCM shows 3rd gear, there is nothing on the dash. I do not have a gear shifter yet, I have the trans tunnel cover on my 65 off so I can put it in neutral and roll it around. I am just wondering if...

Thank you I will take a look. It may be a week or two before I can drive it to really tune it. Quick questions, how do I get it to not show in gear? It thinks it is in 3rd gear. The trans is in park....

I plan to pull the trigger on one soon. I am only trying to optimize it and make around 400-450hp for now. More power adds later once I get tuning down.

SiriusC, thank you for the help!

Thank you all for the feedback on the injectors, they are not the long term solution. The TBSS and the donor truck injectors were all in poor shape, I sonicated them and got them fairly clean but I...

I am planning to swap the injectors back to TBSS. I am just wanting to make sure I have the MAF parameters setup correctly for a 90MM gold blade, the timing is in the ball park for this cam, and the...

Hi all, complete newb here. I have been learning but I am in need of some pointers.

Here is my setup details and tune file and idle run log.

5.3 L59 from 2004 Avalanche. Computer flashed by...