I think that it all depends on your driving style. I'm currently on my stock tires but plan on upgrading once I wear these ones out. If your looking to launch, then I would definitely look to upgrade.

I upgraded my tires to the PS4S tires just after a few months of ownership. The original tires only had 2,500 miles on them, and were brand new, but after having the ART pipes and Garageline system installed (my only power upgrade at this time), the tires were getting loose and squirrely. I noticed immediately upon upgrading the tires that the rubber in the originals was much harder, and prone to loss of traction. FYI, the shop owner who mounted the tires was not happy with those rears on the factory wheels. He said they took nearly a couple hours apiece!

Current output to the wheels is 269tq/312hp. I didn't do a "before" dyno run, so I don't know what it was from the factory, but I understand it might be possible I have a "ringer" engine. Like others, I'm waiting on the BOV for the kit.

It's a centrifugal kit, doesn't make a ton extra torque. I've actually had little to no traction issues at 450whp on all season tires. First gear will spin yeah, but if I mash the gas in 2nd usually there's actually no spin.

One thing Ive noticed on extreme summer performance tires is that temperature is a VERY big contributor to grip vs spin. I had my MT streets out on the highway and went squirrely in 4th in 50*F. Where in 70*+ they wouldn't do that in 2nd.

The rubber compound is designed to get soft and sticky in "summer" temps. Cool weather turns them into hard plastic.

I cant speak for the PS4's though.

An Automatic AWD G37 just made 637awhp. Most of you probably seen this on Facebook.

Also, if you want to see an unboxing video a customer of mine made follow the link below. He has his own channel with almost 5,000 followers. If you are not following his channel already, you should. "The Carizon"

https://www.youtube.com/watch?v=rThONBa_toc

Are any of these kits available? Sent a PM

Kits can be purchased. I have all of the components here to send them out except for the Vortech V3 head units. Vortech is VERY backed up due to covid issues. To the point where if you were to make a purchase today, I would tell you the kit couldnt ship complete until late December.

The benefit of making a purchase is that you get put "next in line" to limit the lead time.

Head units are trickling in, just not very fast.

Just wanted to take a minute and dedicate a post to Eugene at Enthusiast Autocare and Aaron at Topguns here.

I purchased the Topguns ACE A2A Supercharger kit a while back, and finally got around to having it installed by Eugene last week with a fantastic tune to work with. The man moved FAST and got it done perfectly in just a few days.
Aaron was incredibly communicative throughout the process and was very easy to work with. He let me know what I needed to make the power I wanted, and was available for just about anything I needed. He makes an an absolute amazing kit that I’m really in love with. I’m super glad I went with his work because it’s just absolutely amazing stuff.

Eugene is a complete genius and laid out what would be needed, why, how it worked, and is without a doubt one of the most intelligent people in the Z community. His work, install, and labor, made everything feel OEM+! The man is serious on detail and provided me with one of the best automotive experiences I could have ever asked for. Whenever I had a question (and I had a lot), Eugene was more than happy to be there to help me out. Even now he’s still working with me to get a great tune with small revisions as we datalog, and has done more than ever expected. He even went the extra mile for me and helped create protective wraps for some pieces, and even custom fabbed a couple of brackets for a cleaner install process!

I can’t recommend either enough, and Eugene is absolutely the guy to go to for your Z needs. He’s absolutely amazing at tuning, will walk you through the entire process, and listens to your needs/wants 110%. I’m excited for us to finalize the E85 tune and squeeze out around 650whp on this monster! Car already feels incredible and sounds like a jet!

Below is the list of parts Eugene installed for me:
1300cc Injector Dynamics Injectors
4 Bar Omni Map Sensor
GTR R35 NGK Iridium Spark Plugs
450LPH Black Flag Fuel Pump
Fuel Pump Voltage Stabilizer
CJM S1.E Fuel Return System
CJM Billet Aluminum Fuel Pump Hat
Tial Blow-Off Valve
Topgun ACE A2A Supercharger kit with Vortech V3 Si Blower
CWorks Design Test Pipes

Once everything is dialed in for both the 91 and E85 tunes, I plan to dyno it, adjust some more, and post up the final numbers!

https://i.imgur.com/fiyXt9g.jpg

https://i.imgur.com/26h3pkT.jpg

https://i.imgur.com/lKv55aK.jpg

https://i.imgur.com/i4UvFNR.jpg

https://i.imgur.com/nPVQo68.jpg

https://i.imgur.com/JfvANCq.jpg

https://i.imgur.com/Xt6Ca4B.jpg

https://i.imgur.com/zoBVGKI.jpg

Revs linked here since the Youtube vid refuses to play nice with the forum.
https://www.youtube.com/watch?v=zHGOZH31eaQ

I’m getting close. I can’t wait.


Sent from my iPad using Tapatalk

Are you running a bash bar? If so, made by whom?

Most people run the Fast Intentions.

Went with Fast Intentions. It doesn’t play super nice with the Nismo bumper and the bumper itself required some minor trimming on the inside to fit better.

I too have a Nismo, and I am waiting for my Top Gunz kit. I am looking for a bash bar.

I spoke with Aaron today, and he also recommended that I run a Fast Intentions Bash Bar.

This is the crash bar and its mounting brackets we made for our cars.
https://www.instagram.com/p/CG1iODcH...d=z12mwy1a1o39
https://www.instagram.com/p/CG2rSDJn...d=7ery3kl6uj2o
https://www.instagram.com/p/CHDOUhnnazy/?igshid= https://www.instagram.com/p/CHAvhuMn90O/?igshid= https://www.instagram.com/p/CG9_QDQHwmp/?igshid= https://www.instagram.com/p/CGrq5yQHY59/?igshid= https://www.instagram.com/p/CGrqsNnn...=1ixhpkfutx7a5

You can see all of its process and details ;)

ACE kit making 627whp/475wtq on 93!

http://www.the370z.com/members/topgu...-93-octane.jpg

Heres Dynostys video for you FB users.

https://www.facebook.com/Dynosty/vid...53090784717646

That's amazing! They installed my bolt-ons and will be installing my kit when my supercharger kit is ready. Excellent work!

Welp, it's been a journey but we've are finally making progress towards tuning the car. After a blown vtc solenoid causing a massive oil leak, the car being down for two months, and fighting belt slip, the car is just about ready for Eugene to work his magic. If the belt tension issue is finally fixed, my current projection says I should be hitting 16psi.

Don't plan to run e85, and it will be far fetched to match dynosty's numbers on 93, but I have a feeling we are going to be blowing my original goal of 525whp well out of the water!

More updates to come! :driving:

EDIT: Side note, I have put 3000 miles on this kit so far, no issue outside of my own mishaps related to the vtc issue as well as a poorly tightened coolant line. Car has been running like a champ. Hoping to take it on a cross country trip later this year.

16 PSI! Turbo Guard?

Also, I have created a detailed DIY install video for this kit. Install goes super smooth, apart from bending the coolant line out of the way where I managed to damage the vtc solenoid in the process.

Yep! Planning to run 3 prefilters while daily driving and doing just the guard for the dyno pulls.

Hoping to have dyno results this month.

Very good! Thanks for reply


Sent from my iPhone using Tapatalk

Tightened the belt last night and did a pull this morning, making a solid 14.5psi. :happydance:

There still seems to be belt slip at 6800 rpm, which causes the manifold pressure to flat line. The 'projection' I referred to earlier refers to extending the boost curve out assuming I had no belt slip, the kit could potentially hit 16psi.

I had discussed this with Aaron this morning, we are worried trying to chase that last couple psi may result in undue wear on the belt/sc bearings. :ughdance:

So I may play it safe and be happy with 14.5psi.

https://i.imgur.com/c8D3lZw.jpg

UPDATE: Looks like my theory is correct. I think this kit can hit 16ib of boost when running just the turbo guard. I decided to bite the bullet and personally hit 15.2ib while tightening the belt down even further.

SHOULD you do this is another question. Personally I don't want to leave the belt this tight for fear of severely reduced belt life, but interesting to see what this thing is capable of!

NOTE the turbulence in the higher RPM range I think is due to VVEL and VTC becoming active.

https://i.imgur.com/DB2nbcA.png?1

Saw your DIY video on YouTube last week. Fantastic video, thanks for taking the time.

Another One
 

Got this recently installed and running thanks to Eugene looking forward to seeing what this kit is capable of.

Incognito is the best look :tup:

True, That thing is like camouflaged in there!

Car goes on the dyno tomorrow sorry today, wow it is late!

Ran into some last minute issues with fueling, the 1050X were getting maxed out with the single 340lph fuel pump struggling to maintain fuel pressure. Fortunately, I had installed a secondary pump in the radium surge tank system to prep for e85 in the future.

I had made it easy on myself to enable the second pump at the flip of a switch, now the injector duty cycle is back to ~75-80%, and fuel pressure is looking good.

The 340lph fuel pump with 6AN fittings, according to AEM, is only good to around 500whp (depending on bsfc). Guess I'll be running two pumps from now on for pulls. May install a boost-controlled switch to enable the second pump only when in boost.

Anyway, dyno numbers within 12 hours! :happydance:

And the results are in!

Keep in mind Eugene and I are still tuning the car a bit so there is still be some improvement to be had. I've been emphasizing safety in the tune over big power, so for 93 octane I'm happy with the initial results! :driving:

I did 4 pulls , each time taking one of the three prefilters off until we were running just the turbo guard. Unfortunately, I only data logged one of the runs. (Big whoops on my part) Was really hoping to show the boost impact of each prefilter.

Also really annoyed that the stand in for the tuner that normally does pulls kept lifting the throttle early. :facepalm: The datalogs seem to show that the revs were brought out to ~7500 RPM but I never heard the rev limiter.

The belt also could have been set tighter. During the runs from the previous night, with no filter, I was hitting ~14-14.5psi

With the tighter belt, some additional tune tweaking, and a tuner that will actually rev out all the way, 550whp-575whp should be NBD.

Also want to say, the tune is set conservatively to the point where we aren't getting the slightest hint of knock during these runs. Big props to Eugen for working with me to ensure the tune is set with the safety of the motor in mind.

Turbo Guard Only: 523whp / 407wtq @ ~14.5psi (Speculated from previous logs)
+ 1 Prefilter: 497whp / 395wtq @ 13.0PSI (Datalogged)
+ 2 Prefilters: 467whp / 388wtq @ ~12psi? (Speculated)
+ 3 Prefilters: 458whp / 381wtq @ ~11psi (Speculated from previous logs)

https://i.imgur.com/arJ81ej.png

good numbers
 

I am around 12.5 psi range and I am running the turbo guard with 1 filter. I am also getting some slight belt slip past 6300. I narrowed it down to the JS serpentine side. The gates RPM belt seemed to fix the slip on the SC side I am only getting belt dust on the JS serpentine even with the extra idler pulley.

They make an RPM belt for the serp. K071065RPM. (if your on the ACE kit)

Try that and see what you end up with.

Not quite done, but here it is w/ candy blue pipes. Not so incognito!

How did you get the forward section of your engine cover to fit after the install? My forward section is sitting in a box on a shelf after my kit was installed, but I'd like to put it back on if possible.

If you look closely at the side by the mounting bracket, he trimmed the engine cover.

Thanks!

Installation Instructions
 

Does anyone have a copy of the Ace Kit installation instructions? Yes, I already asked Aaron, but have not heard back (Yes I am also an Ace Kit owner/customer). I assume he is busy with other higher priorities. Appreciate it, and thanks in advance!

???...What is your email? It either went to spam or I somehow missed it. I definitely have time to hit attach and send.

Just email me at topgunspeedworks@gmail.com

Just out of curiosity....
My kit is currently tuned for 93 octane running the turbo guard with a pre-filter and about 12lbs. of boost. Does anybody have any idea of what would happen if I decided to run E85 and/or removed the pre-filter? How would any of these changes affect the tune if any? Any input is greatly appreciated as always. Thanks

How are you measuring boost? If you're making 546whp (in your sign) on 93 then you are most likely making more than 12psi. Removing the pre filter will net you another 25whp or so.

E85 will add another estimated 60whp. So you could see about 625whp.

By removing the filter you won't need a new tune, assuming your tuner set you up right. If going E85 you will need a tune for sure and I'm assuming a much larger fuel system.

My boost gauge is at -1 when started and I'm hitting 11psi at about 7200rpm so I'm assuming that I'm getting 12lbs. of boost but I could be wrong. How much whp is safe to run on stock internals?:stirthepot: