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Blog Post: Virtual Dyno & the ATS-V


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I have been working with Tapout Tuning to get my boost up and keep my throttle closed. I ran a session from hptuners scanner to Virtual Dyno to see how things are going.

Tune-1B-Scan-A-121829.jpg

Virtual Dyno uses the car specifics, such as weight and gearing, and the change in RPM over time to calculate wheel torque and wheel horsepower (whp). Due to the way that the scan was captured, I have limited the rpm range to when the TCC was locked. I applied SAE correction in virtual dyno.

So basically I only needed to focus on the right area in the scanner, export visual, with interpolation, and save off the file. I name the file based on the rpm range of interest as well.

Boost was in the high 17s, again effected by the dynamics of the scan. In this case, I went WOT in third and ran to the top of third, which doesn’t leave as much time for boost to build. I observe that the current tune is building power all the way to the shift point, so good.

A tune-only ATS-V normally has 470-500 WHP, so it looks like we are right in that range.

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Bruce

2016 Cadillac ATS-V gray/black

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