This 28L Airbox Setup Is GENIUS - Nismo's GT300 Z33
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- čas přidán 22. 05. 2022
- The legendary title winning GT300 350Z Nissan hits the Time Attack scene. Get some insight into a factory race car setup including BoP restrictions & more in this [TECH TOUR].
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Restricted to 300hp for class rules, this VQ35DE powered JGTC (Now Super GT) Z33 350z interesting sees up to 480hp due to some clever intake work by Nismo according to owner and driver Dale Malone of DM Motorsport with a maximum output of 580hp being a potential, but only for a short period of time mainly due to harmonics being an issue at high RPM.
The car runs an older Pectel Cosworth electronics package with Windows 95 still being the required OS to run the tuning software. While it's great to keep things original, complications like this are one of the reasons why we see many people update the electronics in older racing platforms in order to give more flexibility and even increase reliability with the modern crop of ECU's and sensors we have available now days.
One of the interesting aspects of this car is the 28l intake and airbox which allowed for an extra boost of power coming out of the corners before the intake restrictors, the size of which was dictated by the circuit back when it was a factory race car with teams having a range of engine maps to suit.
Common to motorsport applications a Hewland split shaft transmission which allows for individual gear ratio adjustment and a PI Reseach data logging system is in place however other than the general engine inputs for the World Time Attack Challenge, shock potentiometers are the only added extra for the moment along with a GT500 aero setup, GT500 being a less restrictive class in the same series at the time.
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TIME STAMPS:
0;00 - JGTC Z33 Legend
0:15 - GT300 vs GT500
0:57 - How The 350z Got To Straya
2:02 - Running A Nismo Built Car
2:26 - Servicing & Parts Life
2:58 - VQ35DE Homologation & Packaging
3:53 - Engine Internal Changes
4:17 - Harmonics and Resonance
4:30 - Original Engine Mapping
4:56 - BoP Restrictor Size - 27.6mm
5:22 - Plenum Volume Used For Tuning
5:54 - Restrictor Sizing Change Procedure
6:38 - Alpha N, Individual 55mm Throttle Bodies
7:00 - 28L Plenum Volume 'Grey' Advantages
7:48 - Tapered Runner Tuning
8:06 - Factory Racing Is The Goods
8:41 - Unrestricted 580hp Power Output at 10,500rpm
9:21 - 420+450hp Burst With Plenum and Restriction
10:12 - 300hp vs 1000hp Cars
10:30 - Electronics Packaging
11:28 - Tuning Requires Windows 95
12:13 - Historic Significance vs Actually Using It
13:07 - Plans For The Future
14:06 - Hewland Split Shaft Transmission
15:02 - Ignition Cut Setup
16:27 - Data Logging and Driver Display
16:53 - Being Cautious with Data
17:10 - Door To Door Racing Plan
18:11 - Dale You're a Legend. Thanks Dale!
18:28 - In-Car
18:46 - Like, Subscribe, Free Lesson, All That Good Stuff
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#highperformanceacademy #dmmotorsport #nismo #wtac #jgtc #supergt #z33 #350z #learntotune #enginebuilding101 #dontletthesmokeout #wiring101 #dieseltuning #datanerd #gofasterwithdata #racecraft #learndriveoptimise #motorsport #techtour - Auta a dopravní prostředky
![Tuning The 1800HP+ Red Demon | Going From 0 To 80 PSI, 7 Second 4g63 Tuning [TECH TALK]](http://i.ytimg.com/vi/zwOChacXEcI/mqdefault.jpg)
![Tuning The 1800HP+ Red Demon | Going From 0 To 80 PSI, 7 Second 4g63 Tuning [TECH TALK]](/img/tr.png)
580hp out of an unrestricted NA vq35de running at 10.5k rpm .....Jesus, that's just glorious
Dale does stress that it shortens the maintenance intervals drastically, but definitely impressive! - Taz.
Check out the Z that's been shown on speed academy, even though it's a hybrid configuration, it makes a total 600hp NA
@@bryce16710 if memory serves Sasha's car is a 4.2L motor with either HR or VHR heads. That's what makes this Nismo motor that impressive, it's only a 3.5L with DE heads, just bonkers.
@@jackassrower You might be right about that but I still think it's absolutely amazing that he produced it. I still give high respect for what they get out of the stock engines for the GT300 and 500 classes.
@@bryce16710 completely agree, Sasha's car is such a cool and unique beast. Very glad he built it. The motorsport world is just a bit more interesting thanks to people like him.
Dale sounds like he has great respect for the capacity and limitations of the vehicle.Its lovely to hear such a measured and considered approach.
300 hp out of an engine wheezing through 2 restrictors barely larger than the carbs on my 175cc Honda. That’s impressive.
Andre has a really good way of teasing / gently roasting people about certain details that he feels like could be imporoved haha 😆
Steve, the giant fluffy mic is back! Tempted to slowly make him even bigger over time and see if you regulars notice 😂
Take $25 USD off ANY HP Academy course with this coupon: CZcams25
Enroll now: hpcdmy.co/25offytc - Taz 👨🏻
This is the Z that got me really into Z's back in the day
What a legend. That would be awesome to purchase a JGTC car.
This body kit should be for sale for 350z are still affordable and look like that Blimmie what a beauty. Love to hear a few squirts in action before of after these vids for a little bit of a climax with all the information it builds you up like a hot date then forced to go home with to reach for an ice box.
Brilliant video.. more in car footage needed please!
Awesome interview mate 🤟
Beautifully made 350z 👍
Thats a lot more power than I thought would be possible out of those restrictors, they look about the same size as the twin carbs on my old mini!
mint, great tech dive, sick car, props to owner for keeping it motoring!
"The programming software was Deskpro, people know that obviously"
*Ahem* yeah of course I knew all that.
Before it was cool too I reckon 😎 - Taz.
Fantastic video again boys. 👏
Fantastic. Dale really knows his stuff.
The right man for a car like this 👌- Taz
be interesting to know how the alpha-N map compensates for plenum filling
wicked stuff
Awesome insight thank you.
What a neat kit...
Sounds good
I'm a Subaru guy but I love the G37
I have that actual plenum! It’s beautiful!
This is super cool. I love hearing about what the works teams are/were up to in all the classes of Motorsport.
Great video 👍
Glad you enjoyed it, cheers for the comment 🤘
Legend!
Is that Marty's RX7 in the back? I think that's Marty's RX7 from MCM behind them... Cool!
Very interesting 👌
Glad you enjoyed this one too - Taz.
We need to see more of this onboard run
That's all the footage we were given sorry (which we are stoked to be able to use, cheers Dale!), more is here though - fb.watch/dfMaIdZIMi/ - Taz.
@@hpa101 thanks 💪
Is that MCM's RX7 in the background...
As cool as it was to hear the details on the car and keeping it going I couldn't help but keep wondering why it has the new Nissan logo on it?
👌👌👌
This car should be in a museum LoL
Nah, better out being driven I reckon! - Taz.
A little fun fact, current GT300 cars are actually producing around 400-500hp, while GT500 makes around 600-650hp.
GT500 can pretty much go toe to toe with an LMP2 car (maybe even faster)
They are scaling them back soon though correct? Heard some commentary on it during the last race I watched but I didn't listen too closely - Taz.
@@hpa101 I haven't heard any news about the decision to scale back power right now. Although the biggest one I know would be around improving the cars' safety after the horrific crashes on Fuji.
🚀👏👏👏👏👏👏👏
Super GT it was called by this year
We're always a few years behind everything down here 😅 - Taz.
Aren't Nissan debuted the Fairlady Z in both GT500 and GT300 before the series change name to Super GT?
So after being wot and the plenum collection effect "wears off" is the restriction that great that the engine starts seeing less than atmospheric pressure?
It's breathing through 6 ~50mm throttle bodies and it has 2 ~27mm restrictors, so yes
@@m0rb1d43 most of that's definitely placed on behalf of the 27mm restrictions though I'd assume. 50mm throttle bodies aren't horribly small and they're in the "force fed" plenum so the plenum could be at atmospheric pressure with motion if it weren't for the other restrictions up front
@@scoob66 That's exactly my point. The ram-air effect is so minor, that's not going to compensate for the amount of air the engine will be pulling. If the restrictors would be removed it would be completely different.
@@m0rb1d43 approx 20% extra volume feeding in at 160k+.
Is that the mighty car mods rx7 in the back? Or just lookalike?
This event is in Sydney, so chances are it is one and the same - Taz.
28l? An engine would make a vacuum out of this in like 10-20 revolutions. I don't think the boos from this airbox lasts for more than 1 sec.
As discussed it is a small gain which in a 'spec' series can be the difference between winning and loosing. No one should be running out to replace their turbochargers with a 28L airbox etc.....😉 : czcams.com/video/YVtxu97Ku3A/video.html - Taz.
As road speed increases, pressure into the plenum builds from the intake in the front bar. This changes resonance and filling throughout the RPM range. Data showed around 20% increase in volume available to the engine under WOT, at speed compared to static, even with the restrictors.