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IMPRESSED I just tried a wheel cleaner name Sonax. 4BW hadn't been driven many miles since being washed. Nasty black looking crud came off on the paper towel. Don

I have a 2023 4BW Road Atlanta IMSA car. I take very good care of my cars. I use the two bucket wash procedure. My question is, if the car were to become really, really filthy and a pressure washer might be necessary, would it strip off the graphics on the hood? Thanks, Don

I have a 2023 BW4 with the automatic. There is a round, chrome like connector that sits about in line with the red and blue part of the logo on the engine cover. This component rotates clockwise from about 0-90 degrees. There is a snap on rubber cap that has one "pin" in the center. Anyone...

Does anyone know at what RPM the computer cuts off fuel flow to the engine in the 4BW? Thanks, Don

I have a Road Atlants edition 4BW. I'm very happy with the car, zeo mechanical issues. I do have a significant issue with plastic sounding squeaks in the interior. I've been all over the interior focusing on lose fasteners in the seat itself, nothing I can find that is lose. The noise does...

Does anyone have experience with these? Historically a lot of claims are made for simple "upgrades". Don

Last time I looked, at 600 miles, mileage averaged 23.2. Lots of short trips, no long trips. Pretty good for a car with its performance capabilities. Don

Our son paid us a brief visit. He has a friend who is an IT and who started his own business and has beocome quite wealthy. This guy has an impressive collection of exotic cars. Mark has driven most of them includinf a Lamborgini, Porsche GT3R and Porsche Turbo S. He drove my 4BW and said he...

While I'm sure many have seen this but probably some haven't. What follows is a very complimentary review of the 4Blackwing. Don Overview We all share a common desire with the 472-hp Cadillac CT4-V Blackwing—a daily commute fraught with hairpins and climbing esses instead of construction...

Although I have no intention of tracking this car, I have a question about what it does. I presume that it stiffens up the suspension but what else? Does it speed up throttle respomse etc? Thanks, Don

For the 10 speed auto 4BW, GM advertises 0-60 in 3.8 sec and a top speed of 189. Has anyone seen a GM number for the 1/4 mile? Don

Many on this forum I suspect know that you can adjust the exhaust note. My question (4BW) is the system merely piping in sound into the cabin or is it making physical changes to the exhaust through valving? Don

I recently posted that I hit a deer carcass on a very dark night with heavy traffic on a two lane road. I've cut the damage away, it's hardly noticeable. Does anyone know of a structural adhesive that would blend color wise with the big chin spoiler? Thanks, Don

How about getting rid of the annoying Honda advertisement? Hondas have little in common with Blackwings. Don

Coming home to what is known as the Hill Country of TX, pitch black night, fairly heavy traffic on the two lane. Watching the car in front and hit an F'ing deer carcas. Tore off a 10" section of the low slung spoiler on the Atlanta Road Race IMSA 4BW. Deer hair and blood underneath. Doesn't...

Well, I wouldn't be surprised if some of the members are rolling their eyes at my question. If so, I'll take it in good nature. I have one of the highly optioned Atlanta Road Race IMSA 4BWs. I'm very happy with the car though I'd like to reclaim a feature. The constantly updating gas mileage...

Unless I've missed something, I am quite surprised that no one has mentioned the featured article in the newest Car & Driver. Our two Blackwings, the BW4 and BW5, took two of Car & Drivers 10 best cars of the year. A huge compliment in my opinion. I certainly really like my BW4 but it's nice...

Just finished a Cadillac CT4 owner's survey. Simply staggered about how long and exhaustive the survey was, probably 15-20X longer than any other survey I've dealt with. But...what the heck, it was only the CT4, no way I saw to switch it to the CT4-V.

Hi, wondering if forum members have some accessories that might be good Christmas items for my 4BW? I'm don't mean anything that compromises emissions and in some state may be illegal. Looking forward to ideas. Thanks, Don

I was looking at GM Cadillac accessories and a link said there were "chips" of three performance levels for the CTV-4 Blacking. I was under the impression that modern ECMs/computers are not amenable to "chips" that to up the power you had to go on a dyno and revamp the fuel and advance curves...