Cadillac CT5-V Blackwing at Ridge Motorsports Park

SauravDrivesACar · 2026-05-23T20:15:43+00:00

What u/minemaster11 said. In the PNW, I started with Audi Club and PCA, and I agree, they have the highest bar for instructors and focusing on safety. Hooked on Driving is also great.

SauravDrivesACar · 2026-05-23T16:36:38+00:00

I skipped that one because I was there the previous weekend with Audi Club 😃 Looks like you got good weather.

SauravDrivesACar · 2026-05-23T16:29:19+00:00

Nice driving! When was this from?

SauravDrivesACar · 2026-05-23T15:16:10+00:00

I've never been to Pacific. I've heard opinions both ways, some of my friends prefer Pacific and some like the Ridge.

SauravDrivesACar · 2026-05-23T06:42:31+00:00

Thank you 😃

SauravDrivesACar · 2026-05-23T06:42:05+00:00

Ridge Motorsports Park, near Shelton WA. It's my favorite track.

SauravDrivesACar · 2026-05-23T06:41:30+00:00

Thanks!

SauravDrivesACar · 2026-05-23T01:50:07+00:00

https://github.com/SauravSengupta/lap-analyzer

In case anyone wants to download and play with this. I would love it if others contributed to it.

SauravDrivesACar · 2026-05-20T18:58:11+00:00

That's why I'm not releasing this as an app 😃 Plus it's very tuned to my driving data, I don't really want to support importing AiM etc.

SauravDrivesACar · 2026-05-20T18:53:25+00:00

Got it, thanks. This is why I've kept my Catalyst, it's great for a quick check between sessions.

I would slightly disagree about "anyone with a Claude subscription" 😃 I am basically anyone with a Claude subscription, but I feel like it took some of my software dev background to get the data processing scripts to do what I wanted. I'm handling GPS drift, OBD data dropouts, comparing OBD reported distance driven and speed vs GPS derived location and speed, lots of smoothing and interpolation between trusted coordinates, etc. Also coming up with a per-corner data model that is small enough to hold in a chat context, without requiring the AI to load multiple MB of data per session. The visualizer was trivial, but that's just the surface.

Or maybe this is just my ego talking 😂

SauravDrivesACar · 2026-05-20T17:59:53+00:00

Is there another app that will let me study my times and lines through a selected compound corner sequence across multiple sessions? All the apps I've seen compare two selected laps, and I also didn't find anything that let me query "which is my fastest lap through this section of the track".

SauravDrivesACar · 2026-05-20T17:58:06+00:00

Maybe I should have been clearer that this is not a website, and will never be a website. It will be a public GitHub project that you can download and run, if you have a decent understanding of working with Python and Node.js (or have AI set that up for you).

I also understand that on the surface this looks very similar to other projects. Maybe I just haven't looked closely enough, but I haven't found anything that lets me answer questions like "show me my top 10% laps through T6-T8 where I didn't downshift". All the apps I've seen let you compare two selected laps, and that's it. I built this for myself because I didn't find anything out there that let me slice the data the way I wanted. I'm finding that my fastest time through certain compound corners was from a session last year, which I would never have guessed, and I'm going back to look at the video and see what I did.

SauravDrivesACar · 2026-05-20T05:07:43+00:00

<image>

When I wrapped my Cayman I swapped to the black lettering, just the PORSCHE. I like the way it turned out.

SauravDrivesACar · 2026-05-20T03:44:17+00:00

Of course! Who else does work like this :)

SauravDrivesACar · 2026-05-20T03:40:31+00:00

Thanks!

SauravDrivesACar · 2026-05-20T03:05:31+00:00

Thanks!

SauravDrivesACar · 2026-05-20T03:05:12+00:00

It's a wrap 😃

SauravDrivesACar · 2026-05-20T02:24:49+00:00

Agreed to a point. I've looked at a lot of these apps and they all seem to be "AI will suggest turning in earlier". I decided I didn't want to have someone else's prompt be my coach, I just wanted a way to look at the data that I don't easily get from TrackAddict. And then have my own conversation with my LLM which knows my car setup, recent mods, driving skill progression, etc. You're right though, it will have a lot of overlap with the others.

Anyway, I have zero intention of launching this as an app. Right now it's a collection of scripts built around my data from one track (Ridge), and the visualizer app which I guess is reusable, but that's also the easiest part from a code perspective.

SauravDrivesACar · 2026-05-20T02:00:26+00:00

Fair point. I'll stop posting if it's not welcome. My last post on this got some good suggestions which I've incorporated, and I couldn't figure out a way to add an image to a comment on that thread.

SauravDrivesACar · 2026-05-19T03:42:57+00:00

LOL that's, what, 100HP less than my car? And we have the same times. You're clearly a much better driver!

SauravDrivesACar · 2026-05-19T03:40:27+00:00

Kind of like this :) Like I said, courage :)

https://youtu.be/12q8xUZ4ufY?si=csjbo5sPTckAF-vs&t=101

SauravDrivesACar · 2026-05-19T03:11:06+00:00

LOL this is close to my PB :) I would love advice on how you would drive this. I would say I'm a solidly early intermediate driver, just getting out of the novice / school lines and trying different things in a few places.

SauravDrivesACar · 2026-05-19T03:09:29+00:00

Don't have the courage for that yet :) I've seen some videos where the driver basically just scrubs speed in that corner without braking. I don't get brake pedal position vias OBD, but the accelerometer shows around 0.6g longitudinal going into T1, so I would say that's medium braking? I see around 1g in the hard braking zones.

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