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This is my First rebuild and I'm learning more and more of what I should have done that I didn't unfortunately. Like now I get why some ppl...

upload the stock file

ETC scalar was adjusted the wrong way for a larger throttle body. That's why the BRAF is so high. The cold temps it's insanely high. Idle airflow...

UPDATE: L1FTD was spot on the money. Setting the FPCM switch to "No" rectified the issue. Logging the correct fuel pressure pid showed nearly...

Thank you! Currently it has a th350 I think I will be updating the trans too. For now I was planning on using it while I worked any bugs out of the...

Sounds like it's not detonation if retarding the timing and/or octane booster doesn't change it.

I take it you didn't measure P2V then? If everything was perfect with the install and how the cam was ground my calculator shows it would have...

The new NW throttle bodies are supposed to use a stock ETC scalar. Also, the new NW throttle bodies aren't 100% compatible with C5. You need...

You'll need to check fuel pressure while this condition occurs. Honestly it doesn't look like whoever did the tune knew what was going on. Try...

Of course it is

ok tks for your help... I will try your trick, other than that the tune is ok ?? please just tell me

It looks like you are using an Auto calibration with a manual transmission with the trans type set to manual. Not the best way but try this....

Just to update this. the stock cam is back in with the Magnuson heartbeat on top. it drives smooth as butter.

Thanks.

Here is what is one it currently

thanks. i'll definitely look into those things

Tune file.

yeah, im sure there are. I had a feeling that it wasn't truely right. I'm sorry but im not familiar with the terminology yet. what is the BRAF table?...

Thank you, It is undriveable as it is. As soon as you accelerate off idle it starts cutting in and out (revving up and down) if you keep your foot...

I know that, but mine are either off by a lot, or something else is wrong. That's why I posted my tune, so others can see if I missed something

I agree with you. The terminology is a huge challenge for me right now. Also not knowing how to set up proper logging graphs in VCM scanner isnt...

Revving is not the same as driving under load. #1 problem I see on swaps is fuel delivery/pressure. Put a mechanical gauge on it you can see while...

No, but just videoed the gauge and it pretty much steady. 55-57 when it revs up and down.

I just joined have a 2017 DURAMAX L5P Do all my own work and was a mechanic way before ASE

the data they posted on the net was accurate for that set of injectors the set they flowed that day they explain this on their site (that their...

I never even heard of fly cutting again im new to this. But when i spoke with tsp they told me should go with no issues and seen ppl say there car...