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  1. Dirkbg

    Who Wants the First Corsa CT4-V Blackwing Exhaust System?

    Our Cadillac V-Club chapter was given a tour of the Corsa facilities on Friday. It was very impressive, and Carl Lemmerman Jr., (Corsa Produce Manager) was a terrific and gracious host. I got many photos on the tour, but I'll try to post here the specific ones for the 4 and 5 Blackwings. Our...
  2. Dirkbg

    What did you do to your Blackwing today?

    I think it was a mistake using a clay bar and polishing compound on ceramic. I think synthetic clay towels are OK used with lubricant, but not a true clay bar. I have a spray bottle with diluted rinseless wash for the occasional bird dropping. I'm not sure what the best plan is for a stain that...
  3. Dirkbg

    Car Cover Sale Today

    Carcover.com has been mentioned in another thread. For anyone looking for a car cover, they have a 60% off Labor Day sale, and you can stack a discount code CARSPONSORS for more off. And free shipping. Here's the result in the top Black Satin cover:
  4. Dirkbg

    Apex Wheels for CT4-V Blackwing

    They say the offset spacer is optional, and I didn't use it. It's only 2-3 mm different from OEM so you're not going to see a difference, and there are no brake or suspension conflicts. You can email them and they'll give you all the information you need.
  5. Dirkbg

    Apex Wheels for CT4-V Blackwing

    The hub spacers come with the wheels. I don't recall any branding.
  6. Dirkbg

    What did you do to your Blackwing today?

    No check engine codes yet? Some folks have seen them with the MAF, but it seems to happen in cooler weather so maybe you haven't had those conditions in this summer weather.
  7. Dirkbg

    Apex Wheels for CT4-V Blackwing

    I'm using: Apex VS-5RS 18x9" ET30 Wheels & Apex VS-5RS 18x9.5" ET35 Wheels with the stock tires. The fronts are about identical offset, but the rear push out about 1/2" or so, but don't have any clearance issues. The OEM offset is 28 front and 48 rear. The Apex use hub spacers but they are...
  8. Dirkbg

    5BW 6MT Performance Driving

    They'll have a course map showing where the braking should happen and what gears to use. The hand numbering on my attachment is gears for manual. They also put on the presentation board the gears for auto which use more gears. As others said, you're usually only using 3rd and 4th for manual, and...
  9. Dirkbg

    2023 Brake Upgrades?

    So to confirm, 1053 for the rear, 1718 for the front (but have to tie off the electronic sensor wire)?
  10. Dirkbg

    Media dumps

    Close race, but while that slotted the CT5 in at #13 on the U-drag leaderboard, I was shocked at #12 on the list🤯 https://www.edmunds.com/car-news/edmunds-u-drags.html
  11. Dirkbg

    Apex Wheels for CT4-V Blackwing

    He may be referencing my post here Questions from an overthinking/over prepared engineer impatiently waiting his Ct4-V B.W.
  12. Dirkbg

    Apex Wheels for CT4-V Blackwing

    I like the graphite on black for a bit of contrast.
  13. Dirkbg

    Upgrading Base Seats

    Did you check the online service manual? It will have diagrams of the seat components (Master Electrical Component List - Component Locations - Document ID: 5752806, 5752805, 5752804, 5752803) and the wiring for the pin connections. That might give you an idea what's different between the two...
  14. Dirkbg

    Upgrading Base Seats

    Maybe check with this fella CT5 Blackwing Rebuild - Can't Wait!
  15. Dirkbg

    Blown Motor

    Toyota's got issues too... MSN
  16. Dirkbg

    Apex Wheels for CT4-V Blackwing

    If you go Apex, watch for the sales. The July 4th sale just ended, but you can save a lot if you wait for the next one. I got mine on Black Friday, not sure if they have another between now and then. You can see the sale details in the other thread Apex Wheels | 4th of July Sale: Up to 25% off +...
  17. Dirkbg

    CT4 BW Bridgestone Potenza All Seasons?

    Check out the Tire Rack review of Falken Azenis FK460 A/S. I have them for my cold weather set. I only used them for about three months so far before I put the original summers back on, but I didn't push them when I had them on. I kind of doubt I will anyway when the temps are freezing or below...
  18. Dirkbg

    CT4-V blackwing vs cayman gts 4.0 vs z06

    I taught my wife in my restored '79 Trans Am WS6 400/4sp. It had enough low end torque she even started up a few times in 4th gear.
  19. Dirkbg

    Why choose a CT4 BW over a new BMW M3? Sincerely asking.

    That's because we don't HAVE to modify our car to achieve perfection 🤭
  20. Dirkbg

    2025 Fat A** BMW M5

    Getting off-topic here, and I don't want to come across as confrontational or anything, but I only had a stage 1 level tune on a 2009 GLI and I couldn't keep the front wheels from breaking loose from a start. I don't know how you can get much traction with 400 hp and I only had about 250-260...
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