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Going with a 20-inch wheel is going to add unsprung mass just for aesthetics. For better performance and handling you should be going in the opposite direction and reducing as much unsprung mass as possible. I would stick with 19-inch wheels and lowering springs if it were my car to keep...

While this video discusses the break-in for the LT6, I suspect the same principles apply to other GM high-performance engines. According to the GM engineers, the initial 500-mile break-in is to uniformly polish the surface of the bearings.

There have been above-normal amounts of oil pump failures in the Camaro ZL1 LT4s. The 2017 - 2018 model years seemed to have the largest percentage of failures. Supposedly GM made a change to the oil pump in 2019 but there still have been pump failures reported in some of the later models...

I got an even better one. A custom shop out of Wisconsin put an LT5 in a ‘66 Corvette. When I talked to them at Goodguys, I was told they had 4 LT5s sitting in their shop waiting to go into builds because they knew GM was no longer going to sell LT5 crate engines.

I believe you are correct. I did an internet search and from what I found, Cadillac announced the 2025 CT5-V BW refresh on January 24, 2024. I took the photo at the Rolex 24 on January 27, 2024.

I attended the 2024 Rolex 24 hr at Daytona. This is the 2024 5BW Cadillac had on display on pit road. A lot more impressive looking than the ‘25 safety car at Sebring in my opinion.

I thought the same thing. Between the wheels and no CF pieces, It’s one of the most unimpressive 5BWs I’ve seen. Certainly wouldn’t make me run to a Cadillac dealer to order one.

I completely agree. A car should not be leaking ANY fluids. It might be time to look for a different dealer. A small leak now could become a BIG leak as time goes on.

I I’m against it. I think it’s hideously expensive for what you get. Replacing a piece of ppf is not cheap. I know this from experience having the ppf on the front splitter of my ZL1 replaced two years ago. I could have bought a new splitter for less money. You really have to ask yourself...

While PPF will do a good job of protecting the paint underneath. if it gets hit with a big enough rock it will leave a mark in the PPF that will look just as ugly or uglier than a rock chip. It’s especially noticeable on black paint or trim. Until you get enough dings in the ppf to make it cost...

Check that your front sway bar end links haven’t worked themselves lose. This was an issue on some Camaro ZL1s. The end links weren’t tightened properly from the factory. The cars would make a clunking noise slowly going over bumps.

I think everyone has this misconception that for any modification GM has to be prove that it caused the failure to deny warranty. The keyword here is “Modification”. You install a Fram oil filter instead of an AC Delco and the oil pump goes out, then yes, GM has to prove that the Fram oil...

I’m not into my car sounding like a bunch of angry bees. I think the Cadillac team did a nice job balancing luxury with performance. The exhaust sound should be the main focus under load and not supercharger whine. But that’s me.

The PS4Ss are pretty good on wet roads. Set your drive mode to Snow/ICE to dull throttle tip-in and don’t do anything crazy and you’ll have no problems in the rain.

I’ve driven the PS4Ss in temps as low as 23 degrees. Not a single tire exhibited cracked rubber. You’ll be fine. Just take it easy until you get some heat in the tires. It may take a little awhile for that to happen. Check tire temps often on the DIC.

I don’t think it is so much about caring as it is a cost decision. Having to replace cracked tires from sitting in the lot at the Lansing Grand River plant during the winter months waiting for transport got to be too expensive. I believe it was around 2019 Chevy stopped producing ZL1s during...

I’ve paid to have three cars ppf’d and my 5BW was ppf’d by the previous owner. There are some downsides to ppf. If a big enough rock hits the film in will leave an ugly blemish in the film that won’t self-heal. These blemishes will stand out and look particular bad on dark colored cars...

I wouldn’t be too concerned about the lien. Whoever originally purchased the car probably took out a loan to buy it. However, I would be more concerned the car was involved in an accident and had to be towed.

The letter says CT5 so I wonder if it even applies to the Blackwings?

I would not do a pulley swap without tuning. The increased cylinder pressure from the added boost will require adjusting the spark table to prevent detonation. As others have said, you’ll also need to add cooling mods to control the heat and keep the ECM from pulling timing. I would contact...