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Anyone know the part number for these floor mats? I saw them in a post for a 20th anniversary car. And look, a red center rear belt!

I'm really torn on the new 2024 Cyber Yellow color, so I figured I'd start a thread to compile pictures and impressions from folks that have seen the color in person. I absolutely love it in the official Cadillac brochure images, but I have no idea how much that reflects real life.

I've confirmed that the SPL rear toe links for the Camaro work fine for the 5BW. Without them, you won't have enough toe adjustment to get the requisite camber. SPL part number is RTAEL CAM6 and you'll also want to get new inner toe link bolts since the factory ones are single use - they...

I realize that conventional wisdom is that CCBs don't hold up to track use, but in the recent tech talk with Brembo they seemed pretty confident in the brakes on the 5BW. I thought I'd start a thread to track how my CCB brakes are holding up to track use. My car currently has 8390 miles and...

I've had several folks reach out via PMs to ask me where I am getting the info from the factory service manual. It's available via subscription online from GM, and I just select the option for a 3-day subscription for $22 - then I print to PDF anything I want for reference later. The...

For those that don't know, Cosworth makes the PDR system for GM and they also make multiple software packages for doing data analysis from the PDR files. While GM tends to promote the simplified "GM Toolbox", I've never liked the fact that it doesn't ever put the squiggly lines I want to see on...

Anyone have the WinPEP output file or CSV from the dyno pull on a stock 4BW? I'm toying with the idea of TTing mine when I get it. It's definitely TT3 but I might be able to squeeze it in to TT4 depending on the average peak HP. @WONT TAP ?

Thanks to @Tall Steve for sharing his VIN with me. I went to my local Chevy dealer who was nice enough to look up the part numbers for the red seat belts. These part numbers are for the complete assembly with the tensioner as they don't appear to just sell the belts without the tensioner. I'm...

OK, this might seem a bit pedantic, but I'm looking at a 4BW that has already been spec'ed and about to be built so I can't change the order. It's exactly what I want except it has a sunroof and I'm worried about the impact of that for track use this will be a heavily tracked car. Can anyone...

The one option I wish I'd gotten on my 5BW was the red seat belts. Has anyone tried retrofitting them? If so, do you know the part numbers? Looking at the service manual it seems very straightforward but I see multiple part numbers listed for red seat belts.

So I'm cleaning my car and I see that the rain gutter in the roofline is bubbling and it has an area of exposed primer. I can't tell if this is new or something I've just not seen because of where it is. Since I picked up my car nearly a year ago, do I go back to the dealer and try to get it...

Given the fiasco that is the C8Z I’m thinking of going all Tall Steve and ordering a 4BW to go with my 5BW. In my case it would be to have another track car that I could beat on with a warranty without having to worry about a $10K brake job. So I looked and don’t see the new 4BW pricing and of...

I was just looking at some PDR data from the 5BW and thought I'd share a bit of it as it relates to handing. This first chart is the Lateral and Longitudinal Gs plotted on an X/Y chart. The colors are tagged to different parts of the corner: Blue: steady cornering Purple: steady cornering at...

I just made this video comparing a couple of different track sessions in the Blackwing using the data from the PDR system. It's kind of nerdy but I thought it would be helpful for folks considering the PDR to see that it is way more than a dash cam.

Since it's Independence Day in America I thought I'd post a little track video from this past week with the Cadillac CT5-V Blackwing. The lack of seat time this year is showing in my driving so no new best laps but the car felt great on track. Turn it up and listen to 668 HP of 'Murica!

I've back at VIR with the Blackwing and I'm finding that after a few laps the clutch pedal isn't returning all the way up and I have to pop it back up with my foot. This isn't the first time I've had this problem but I've flushed the brake fluid twice with Castrol SRF and I've also tried the...

Good news is this is the first time I've seen the front CCBs listed for sale online. The downside is that even discounted they are over $3K each.

Car was running fine the last time I drove it but now it makes a fluttering noise and I feel a matching vibration if I try to give it much throttle. It kind of sounds like PTM but with a vibration as well. The car also doesn’t make over 9 in HG (4psi) of boost. I tried with all the TC off and...

I'm here at VIR and going to try to do a live drop of video as I get out on track along with my raw notes. This is my first outing at speed with the car since finalizing the track alignment and prep. - When in a corner and you hit a bump it's pretty harsh - almost like you're on the bump...

I decided to pull the wheels again and measure the actual offsets as well as capture what was written on them. I hope this helps folks find aftermarket wheels that fit.