R’s Day, one of the largest gatherings of Nissan Skylines on the West Coast was held on December 7, 2025 at Laguna Seca Raceway. Z Car Garage attended the event and supported our client Kurt in his R32 GT-R. Rob brought out the Bay Area Datsun Dealers 510 and several ZCG clients all had a great time. Enjoy our report with photos and videos!

 

Kurt’s R32 GT-R

We prepared Kurt’s R32 Skyline GT-R for the track day. Earlier in the year it received a fresh RB26 motor and turbo upgrade to complement the new KW coil-over suspension and Stoptech Big-Brakes….

  

Dyno tuning Kurt’s R32, volume up!

 

Kurt enjoyed driving his R32 at Laguna Seca with fellow GT-R owners. Photos by gtrx.app, and you can see more of Kurt’s R32 on his Instagram

 

Rob’s Vintage Racing Datsun 510

We also dyno’d Rob’s B-Sedan vintage racing Datsun 510:

 

Here’s Rob’s report from R’s Day…

ROB: Cooper and I loaded the BAAD car to Laguna Seca, our home track during the vintage race season. It was really fun to bring out my Datsun 510 race car with all those cool street cars. We had Dirk stoop in his 1973 Datsun 240z, Amy in her RZ34, Joseph in the RZ34 # 49 car, and a few others including Miles’ R32. Our main focus was to support Kurt in his R32 GT-R which has been modified and tuned by ZCG, full report coming to zcarblog.com soon.

 

I’ve been to a few R’s day and this was the first time I’ve driven. Each event has seen a steady increase in attendance and it was the most R32, R33 or R34s I’ve ever seen. It was incredible to be in a paddock filled with lots of cool Nissans… There was Pat’s RB-powered Pat’s Kenmeri (featuring our ZCG CV Axles):

 

All kinds of really cool cars and kudos to the R’s Day team as they were just super organized: the meetings and downloads were quick and informative. I love their grid process. Everything was just wonderful and we will definitely be back next year. Kurt’s car rocked. There were some pretty fast cars  including Charles Park from Powertrix with their time-attack R35 tuned by SpecialtyZ. Sean Morris and Brian J from Top Rank, people from all over the California GTR scene. Todd Lapin from Norcal Skylines cooked HotPot in the garages! It was just a very festive, community-oriented vibe and I had a blast.

 

Dirk’s 1973 Datsun 240Z

 

Dirk’s 1973 Datsun 240Z features Z Car Garage Big-Brakes (StopTech), Z Car Garage CV Axles, Silvia 6-speed transmission and a host of chassis and driveline upgrades. Rob dyno tuned the 3.0L Rebello L-series engine with triple-Mikuni ph44 carbs, making 265hp/231tq at the wheels.  We prepared the Z for R’s Day and Dirk had a great time:

DIRK: Yeah dude, massive difference! Work done by ZCG just before the day:
1. New rear sway bar (ST suspensions), car did not have one before, last Sonoma track day, being able to rotate the car on entry was difficult, this change was made to help that
2. New RE-71RS tires, Rob found old tires were pretty much spent, Dirk ordered tires, car stayed at ZCG an extra day so that they could be installed before the track day
3. Suspension and brake inspection
4. Change diff and trans fluids

Car rotated much better with the new rear sway bar, now able to rotate just by lifting off throttle in turns, quicker, and more fun. Felt great, very predictable and forgiving at the limit.

Photos by sflcks and Cooper:

 

 

Joseph’s 2023 Nissan Z

 

Joseph’s 2023 Nissan Z proudly wearing the Joel Anderson-inspired #49 livery:

JOSEPH: It was a beautiful day at Laguna Seca (as if anything else is possible) with GT-Rs from every era, as far as the eye could see! There was also a very famous 510 in the mix…The #49 new Z ran great on its new 18×10.5 SSR wheels (275-35-18 Nitto NT01), but the day was cut short by cleanup of an oil spill from turn 6 to turn 10, and one of my brake pads deciding to delaminate in the heat on the way into turn 2. We’re putting race pads on next time! I made my goal of breaking 1:50, so I left with a smile on my face anyway.

Check out his R’s Day session at Laguna Seca (in-car video HERE)

  

 

Amy’s R34, Rob’s 510 and Kurt’s R32 GT-R….more photos in the gallery below!

 

 

 

…[read more]

 

Z Car Garage is proud to offer a CV axle conversion kit for your Datsun S30 and 510. We have sold over 100 sets of axles globally, with customers installing and enjoying them on everything from street cars to full-blown IMSA racers. These CV axles will help transmit power to the ground and ensure smoother operation compared to your standard half shafts. Full details below:

 

For years we have used aftermarket CV axles that utilize an aluminum adapter prone to loosening up over time. Despite efforts to keep things tight (Loctite, hardware changes) we had to keep an eye on them. We developed a better solution that eliminates the need for aluminum adapters and remains 100% bolt-in like a factory half-shaft.

  

Designed and manufactured locally with KAD Models, the ZCG CV axle kit works in both R180 and R200 configurations.

 

  

These are the beefiest CV axles on the market. They have been tested on the track by our vintage racing customers and also in high hp* street cars (powershifting, clutch dumps, etc.). Each axle has a serial # for peace of mind:

 

The CV axle kit is available now from ZCG for 1595.00 + freight and they come with everything you need to install on your car. Contact us at 408-452-0350 or send Rob an e-mail rob@zcargarage.com to purchase. Installation is just like doing a half-shaft: there is even a marking that shows you where to line up bolts and special hardware:

 

The ZCG CV Axles in action

The video below demonstrates the “looseness” associated with aftermarket CV axles that use adapters compared to the ZCG axles without adapters. Several customer race/street cars running our CV axles are also shown. Enjoy!

 

S30 and 510s running the ZCG CV axles

 

Randy Jaffe’s #46 BRE Datsun 240z received the very first set of ZCG CV axles: Serial # S30-000240!

 

The Bluebird SSS Coupe and Hakosuka Skyline are both running ZCG CV axles on the race track:

   

Race car driver and restoration specialist Jim Froula of Racecraft is running ZCG axles in several of his cars:

Set #246 – installed May 2018 on the “Harry Stewart #52” Datsun 510:

  

Set #247 – installed April 2018 on the 260z

  

Set #248 – will be installed on Adam Carolla’s “Greg Sorrentino #90” Datsun 510. We are pleased to report that Jim will also be installing a set on his “George Alderman #32” 300ZX! The ZCG CV axles are also perfect for high hp street cars. The following customer cars are all running our CV axles now:

Frank B’s fuel-injected, 6-speed stroker L-series:

  

Gary’s 430whp LS3-powered 280z:

  

Scott W’s EFI stroker L-series:

  

James S’ L28ET:

  

Brian’s 1972 240z:

  

Finally, Gary’s “Behemoth”  OS Giken TC24B1Z powered S30:

Technical Information:

The Z Car Garage axles were designed to help remove much of the backlash aka clunk seen in many older vehicles. Modern technology has given us the ability to create a set of axles to exacting standards. We started with a high quality set of CV joints that were found to be the most consistent in both major and minor spline diameters. We then began to design the axle itself to share the same tight tolerances. We are holding a +/- .01mm diametric tolerance on both the inner and outer spline diameters. This gives us the feeling of direct connection between differential and wheel. The axle shaft major diameter was increased to 30MM to give owners a bit of added comfort in knowing the main shafts are stout. Once the axles are splined they are then heat treated to obtain the desired harness. After heat treat the axles are then nickel plated to add corrosion resistance. The inner and outer flanges are made from 316 stainless steel and mate to the CV joints with tapered alignment surfaces to ensure concentricity is maintained throughout the axle thus reducing vibration. The inner flange attaches to the stock R series differential utilizing the Nissan factory hardware. The outer flange attaches to the driven stub with bolts specifically designed and manufactured for the Z Car Garage axle installation kit. These bolts are manufactured to grade 12.9. All ZCG axles are manufactured locally which helps us maintain the fitment and quality we require.

Materials

Axles : Hardened AISI/SAE 4340 Alloy Steel, 4340 is a nickel-chromium-molybdenum alloy steel

Drive flanges: 316 stainless steel, Type 316 steel is an austenitic chromium-nickel stainless steel

Outer Flange Bolts: Hardened 4140 Alloy Steel , AISI or SAE 4130 grade is a low-alloy steel containing chromium and molybdenum as strengthening agents