Congratulations to our client Dan F on achieving his personal goal of sub 1:40s lap times at Laguna Seca in his Nissan 350Z. Z Car Garage has worked with Dan for several years to fine-tune this Vortech Supercharged Z33 so he enjoy it on the track.You can see the build history HERE:
Chasing 1:30s
Dan is an avid track-enthusiast and we love working with him to optimize his Z. Let’s hear about his triumphant ‘Seca experience from November with SpeedSF:
“It was a very satisfying weekend at Laguna running both Sat & Sun 11-25/26. I came still looking for sub 1:40’s with my best time to date a 140.1. It’s only the second time I’ve been there since the re-pave but I have been running here testing and tuning for over a dozen years now. 1:39’s however have always been elusive so when in my second session on Saturday morning, I finally broke through and did a 139.2 on 1.5 year old Toyo RR’s (red wheels in the pics), I was ecstatic. That was apparently just some foreshadowing for the weekend. By day’s end I was consistently running low 1:38’s. The track is faster than it’s ever been with extra run off at T5 & T9 and a smooth surface that has now been rubbered in nicely and the weather was perfect around 62 with zero moisture.”
“My plan Sunday was to try some pirelli scrubs (black wheels) from the World Challenge Series. I was excited to try them on this car because it is set up as a race car at this point so it makes sense real race rubber might work well, it did. First session I blew by the 1:37’s and finished with a 1:36.1, next session 1:36.0 then finished with my best being a 1:35.8 on a lap compromised by traffic. Scrubs were good for 2.4 seconds over the RR slicks. Some pretty unbelievable gains all weekend and especially with these tires.”
“Still can’t quite believe it took me about 4 years to go from 1:44 to 1:40 and only 2 days to drop the next 4+ seconds but it’s days like this that make you want to keep trying for that perfect lap. Sometimes all the stars align and I’ll be looking to match my optimal lap of 134.8 next time out…”
Enjoy this in-car video of Dan’s fastest lap time in the Z:
Recent Updates
Dan’s Z received a few updates to the interior and aero package. Extensive caging inside, new front splitter and rear wing:
We are super stoked for you Dan! Get that 1:34 at ‘Seca and LONG LIVE THE Z!
Nissan’s (Z32) 300ZX is a model that we specialize in at Z Car Garage and our shop is always filled Twin-Turbo, NA or convertible variants. Chris G visited us for suspension and engine work on his “slicktop” NA 300ZX:
Chris’ Z has always been a handful in the suspension department he just wanted to make it more “adult” so we happily obliged. Full suspension upgrades included SPL Upper control arms, SPL rear traction arms, SPL front T/C rods, Suspension Techniques front/rear sway bars, Stillen rear strut bar and KW V3 coil-overs. We also replaced the steering rack boots and rack bushings:
The NA VG30DE engine was pulled to service the valve covers, perform timing belt services and total re-seal with Nissan valve cover gaskets / BDE billet half moon seals / Gates bypass hose / fuel lines. A JWT aluminum clutch/flywheel was installed:
Dyno Tuning
We dyno tuned the Z following the engine refresh, making a healthy 201hp/180tq at the wheels:
Watch the dyno runs in the video below:
Enjoying The Ride
Chris immediately felt a difference after the upgrades and services:
“The Z is a completely different car now. The KW V3 suspension and some real tires make the car feel brand new. All the new goodies they added just took this car to the next level for me. The engine rebuild made a world of difference, pulls hard in every gear, sounds 5x better than before, no more leaks/smells. Just overall an amazing transformation I could feel as soon as I rolled out of the shop.”
The Z32 is super fresh with gold BBS LM wheels and timeless good looks. We loved working with Chris, knowing him since he was young and now he’s got a kid of his own…
“I was first introduced to Z’s when my friend bought an 85’ Z31. From there I found the Z32 and fell in love. I really wanted a slicktop, after about a year of looking I found one in the Bay Area and drove out the next day to see it and ended up buying it. I first brought my car to ZCG in 2015. I did research on shops in the bay area, and everything kept pointing back to ZCG as the best of the best. So, I scheduled time with Rob and after meeting him and seeing his true passion for the Z I knew I had found the right people to bring my car to! From beginning to end Rob helped plan everything, I had a list of wants and to-do’s and they made it happen. Along with other recommendations which really helped bring everything together. I could not have done it without them and their abundance of Z knowledge. Some roadblocks occurred during the build, but Rob kept me updated the entire time and followed through to the end to make sure everything was spot on before the next step. Their mindfulness is top tier.”
Thanks for your support Chris. We live for this. Long Live the Z!
Dan F is long time customer of Z Car Garage and we started working with him shortly after he acquired his Nissan 350z. Dan comes from a family of motorsports enthusiasts with his Dad (C6 Corvette) and brothers all enjoying track time together:
In 2012 we installed a Vortech Supercharger and for the next five years Dan regularly tracked this Z33. We fought with oil/water temperature and anything you can think of battling while at the track. Where there was an issue, a solution was devised so he could beat on this Z for 20-30minute sessions easily.
Better, Stronger and Faster
In 2017 with 53k miles on the odometer the factory engine failed in Turn 1 at Laguna Seca. We were at a crossroads: with all the developments we made so Dan’s Z could handle routine track duty should we push the envelope by adding even more power?
The answer, invariably was YES. At the heart of the new build was a Rebello VQ with HR top end and internals including forged pistons and rods, HR head gaskets and headbolts, race bearings, factory compression ratio, JWT C8 cams and JWT HD valve springs:
The major power added was a new Vortech Si wheel offering more hp per pound of boost. Supporting mods included DC sports carb legal headers, EV14 1000c injectors, GT MAF and upgraded fuel pump. Keeping things cool are new oil coolers and a revised ZCG cold-air intake:
The front-mount intercooler was upgraded to an ATP Garrett 900hp unit:
To monitor intercooler efficiency a gauge was installed in the factory cubicle displaying temperature before and after the IC:
A few more pics of Dan’s interior:
Dyno Tuning
With the engine bay all buttoned up Rob dyno tuned the Z using UPREV. The Z is now making 480hp/390tq at the wheels on a conservative track tune to keep heat low. The dyno plots show the previous 91 octane tune (368hp/333tq) and newest 91 octane tune (455hp/365tq):
More Track Mods
An off at Thunderhill gave Dan an opportunity re-engineered his aero pieces. He rebuilt the front splitter, added side blades, rear diffuser and front fender slats:
“For the brake ducts I repurposed old Roush Nascar ducts in dry carbon with standard ducting. The front splitter with spats I made to attach to the Stillen piece. The spats are tied in up the fender to prevent turbulence with the tire as it’s running a 295 front with -3.6 degrees camber.”
“The rear lower diffuser I made from aluminum and marine grade plastic. It has gold heat shielding to protect it from the exhaust, while the bumper diffuser is made by an engineering student down at Cal Poly.”
The front fender vents needed some work to fit:
“I know an engineer who did CAD and outsourced on a group buy. Problem is they are for a 370 and while the outer contour measures the same, the inner distance to the frame rail is less. I didn’t know that until we cut the first hole in the fender! So what was a piece with slats all the way through, I modified to make it shallower and then did the screen to close it off. They are dry carbon as well.”
Dan visited us for exhaust modifications to pass sound restrictions at Laguna Seca. The suspension was also checked and refreshed to keep up with the engine including new SPL lower front control arm bushings.
Stoptech, or Don’t Stop At All
After having an issue in Turn 2 with his AP Racing brakes we installed a Stoptech Trophy Kit utilizing ST60 calipers and 355x32mm rotors:
Enjoy The Track
After the last few years we are happy to report that Dan has happily accumulated 12k miles on the new build. In addition to being a good driver he is a great guy and we enjoyed being a part of his journey. Enjoy these comments below from Rob and Dan, respectively:
“It is special to me that relationships last long. Dan could easily go out and buy the latest fastest sports car, but he likes to do it for the build. It really has Dan F. written all over it. I love when he texts updates from the track. With 500hp+ and to run a session without a hitch is awesome.”
“Rob has been part of the heart and soul of this car as he has helped me build it over the last 10 years. It has been a guinea pig at times to try new methods but he has been a great partner and sponsor through all of it. It’s very fast and very fun being quite easy to handle at the limit. It is maintained for track duty at ZCG.”
Here is a video of Dan autocrossing and running the Z at Laguna Seca, there is even a snip from Larry Chen’s Hoonigan Autofocus :):
Our shared excitement is seeing Dan making personal bests at the track. Dan is fast and here are a few notable times and achivements at his favorite tracks, we are proud of him!
“I’m still looking for time to break 1:40 at Laguna Seca, currently at….140.7 and 123.7 at Thunder Hill West. I’ve consistently run in the top 10 of 100 with Santa Clara Corvette Club AX’s”
We have even seen Dan on the street at the local 2018 ZONC Annual Car Show and cruising twisty Bay Area roads near Alice’s restaurant:
Thanks for supporting Z Car Garage and letting us build your track car Dan. We look forward to seeing you enjoy track events. Long Live The Z!
