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It was a good idea not to wait on rebuilding the 3.54 diff. The new LSD arrived weeks after I expected it and there's no shot I would have been able to swap it into the spare R200 before my trip. I'm excited to get this together in the winter though!

Those hairline rotor cracks are common when running giant rotors. Even though you are getting very little rotor wear due to the size of the brakes, the heat cycling eventually forms the cracks. I've ran them on track probably about twice as bad as your pictures.

The hairlines weren't that bad, it was the handful that were going through the edge of the rotor that I was worried about. Friday marked my first return to the track in almost 2 years. Knocked off a bunch of rust, the car worked the whole time, and I made a couple changes that were impactful and improved the car. I went pretty slow, so y'all could enjoy some v8 sounds for longer than normal

07-25-2025. I had a couple hours today, so I decided to see if the radiator would bolt in. Since June of 2021 I have been building my Z car. This is FIRST aftermarket part EVER to bolt right in. I didn't have to mod it at all. I was speechless. Granted, swapping the fans out to the SPAL fans required drilling and playing with it to get it done. However, I was able to drop the radiator and the fan should assembly right in. It is still loose, but it is there, hoses on, loose, but the idea today was......with a little time to see how far I could get it together, it literally just fell together. So "cubauto" on Amazon, there radiator for our Z cars goes right in! Now, the overflow tube on the cap was put on crooked, so I have to live with that, that is the only negative in an overall very nice looking package. Because of the size of my remaining port on the thermostat housing, using a sensor to turn the fans on and off isn't going to work. Being that my Z is just an around town toy, I will be turning the fans on and off via toggle switch. The remaining switch is 20A rated, but I ordered a switch that externally looks the same but is 30A rated to swap in. I will be feeding both fans with 10 gauge wire which is 30A rated and will forgo using a relay. 30 fA use and it will be basic, clean, and work. I swapped out the 19 lb radiator cap for the facotry 13 lb one for now. Pics follow. Good few hours today! Cheers!

The car I had planned to do this on was going to run very low, so all the suspension pick-up points were raised 2+ inches. The upper mount was a plate that bolted into the upper strut mount and used an 8-inch-long jack bolt with a clevis for the top of the shock to bolt to. The tube holding the jack bolt would have a sheet metal bracket supporting the end of the threaded section, or I'd extend the cage tubes directly into this to make the mount stiffer. That was work still left to do. I have some Penske 7350 Base valve shocks (eBay specials) that I planned to revalve. These have 7 inches of travel, but I didn't plan to use all that, and are very long. This has now been on the back burner while I try and deal with some back health issues. I also have a street car that I want to finish and I have been looking at doing a-arms but using a bolt-in solution to not destroy any value the car may have. So I have been thinking about this more lately, which is why your post has piqued my interest.