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BRAF affects cylinder airmass only in regards to how much the throttle plate closes at those specific rpm intervals. Lower values = more engine...

Does the mechanical gauge show it going to 130? Do you have any fuel in the vacuum reference hose to the regulator?

For the life of me I can't find how to get to MAF Freq fail high to type in 0. Sorry for my ignorance

Thank you for the reply. I will run a data log tomorrow and upload. i have electric fans just not wired in yet (that is literally the last wiring I...

We will need to see a datalog to see what is going on with it, but here are a few things to help you get started. Your OS is an early version that...

This is my current tune file.

I like your enthusiasm about learning GM ECM tuning. GM designated the ECM's by the 3 digit codes. I don't know that they ever printed P01 or P59...

Yes, you're down on power. Remember, I lowered the Low main spark table for now. Low is referenced in SD mode. Airflow needs dialed in, first. ...

Part number will be molded into the side of each injector. CEL is on as a consequence of MAF Fail 0hz. It's set to 0 in order to fail the MAF. ...

... Grasshopper you will learn someday. OP: I would ask for the Cam specs or valve event specifically. Has nothing to do with your issues, but...

Some answers in the post above. I will take a look at the injectors. Is that something I can see easily or will I need a borescope or something to...

Commute home was uneventful. No blips on the way that I could feel, nor anything reflected in the log on my first breeze thru it moments ago. CEL was...

You must first verify 100% Accurately that the MPH in the scanner is ACCURATE with realistic MPH using a GPS The MPH in the scanner is how the...

All I'm saying is keep your cool and you'll get all the help you need. Don't get argumentative. Should be "If I'm understanding this correctly" and...

The importance of displacement is so that Cylinder Airmass calcs are accurate. The spark tables are plotted along that axis. Is this a stock 6.0?...

High RPM disable is the point at which the dynamic airflow model exclusively uses filtered MAF for calcs. Post #11...

ok I'm still looking at the gauge stuff, but i whent for an other test drive and i been noticing that the gears shift up to fast and and it stays in...

Fleshing out what I think I know so far: Generation Family Part # Service # Flash Connectors

Nope. You dont sound like a jerk I've owned this thing for a while and it's been running the same cam for a few years. None of these mods are new,...

No mds. Main purpose of buying it the way they had it was for the delete. My original motor was on its last leg. Leaky just too many issues to care...

I did find the vvt tables for the 9degree offset. And THANK you for that madhouse!! Appreciate it. U do have another question. Since this was pre...

Yep, we covered that already; Alvin is having a different problem. I can see your point, but consider the perspective of someone new to tuning,...