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Did you ever determine anything specific about why it might have gone bad, or just replaced it?

Yeah, that's what I read, seems like a long shot but two MAFs in... Plus if it is malfunctioning, it's only "partially". As a test I set Base to "0" and it ran particularly rich, which I would expect. We'll see! Thanks very much for the input!

No, I live on the central coast of California, temperature and humidity are basically constant. As soon as I swapped back to stock MAF, fueling was corrected. Ie., regardless of when I swap MAFs, the LT1s are rich, and stock is correct.

Stock: 6-7 LT1: 7-8 As far as I know it's a 5.7 chip. Looking through my receipts I can't verify, so I'll have to check the chip.

I have returned. I now have a child, and we have moved. But! the GN lives on, and with the same problem: very rich under boost I swapped out the motor mount for HR mounts, wired in boost to the power logger, verified fuel pressure, and adjusted the downpipe position, trying to make sure it was...

Great thread! The commiseration was therapeutic :D I also got to a point where an accident while working on the car led to the heads coming off, and new manifold. I was just going through the same A-pillar gauge debate you were, but decided on the GNS 3 gauge cluster. In the middle of installing...

Old thread revival - Best way to route the exhaust cutout wiring? Drill a hole or follow shift cable?

Because I wanted to re-torque the head bolts anyways, and I'd rather upgrade what's there than add a new part. I was kicking myself pretty soon after installing new stock mounts, the intent was to keep the TAPerformance headers from hitting the steering shaft, but turns out even new stock...

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I've replaced the mounts before and saw Jason mention the brace for folks with stock mounts or/in addition to HR mounts. I figured the HR mounts was a good upgrade and I know what I'm getting myself into with the mount replacement :)

It does look like it's been tapping. I actually went ahead and ordered the HR motor mounts. I considered the RJC brace, so if it's still hitting I'll get that.

As in, it might be causing the knock? I haven't checked that, no. I just replaced the motor mounts, but I'll check for signs it's hitting.

Checked this morning, 4.41

This was at part throttle. Checking the TPS at WOT, it's at 4.2V.

Well, it seemed to be running better until I started to open it up and saw KR come up. I think next step is verify fuel pressure rising with boost (and hope I don't see white smoke, not sure how bad is new headgasket bad with knock). Also, I found a small, crack in the body of the fuel pressure...

Done, just waiting for weather and tourists to clear for test run.

I posted new data in post #64 and MAF in park was ~6, warmed up.

Thank you, that's good to know.

Thanks, I have done a heated calibration, but using the LC2 instructions and gauge https://www.innovatemotorsports.com/wp/content/uploads/2022/05/LC-2_Manual.pdf

The Innovate sensors? I'm beginning to agree. I didn't think there'd be much of a disparity in WB quality. I've read AEM is pretty hassle free, but open to recommendations. Possible that the WB is putting out a bad signal? It's practically brand new...