Topgunz - air to air upgrade
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As many of you know, there is demand for a good solution to the water to air design of the Stillen kit. These kits will bring in more power with much better responsiveness and will keep your motor alive no matter how much power you throw at it. The kits make around 475whp on 91 octane, 495whp on 93 and over 550whp on E85 if you run 11psi. This can be achieved by upgrading to the Si impeller and utilizing the 9psi stillen pulley or a 3.0 supercharger pulley.
I do not think I need to go into the benefits of going Air to Air since anyone reading this will know just how terrible the water system works. Anything over 9psi is playing with fire. The Air to Air is coming in just above ambient on my setup. Kit will include: -New Air filter - Eliminating stillen Y intake and small dual filter design -Piping from Supercharger to intercooler -Bypass Valve Mount adapter -Treadstone Intercooler rated for 720HP -Intercooler mounting brackets -All cold side piping and intakes - 2.75" Custom Y pipe with MAF housings - Blow through design will allow computer to see temps unlike current design -Manifold Block off plate (with gasket maker) -All silicone couplers and T-bolts -Vacuum hose -Installation instructions Tial Upgrade - Tial QRJ (pick your color) - Tial Adapter pipe with flange welded in - Tial QRJ Intake Flange - Tial QRJ Exhaust Flange - 2 x Couplers - 2 x T bolt Clamps Possible Stage 2 kit: Upgrade to V1 or V2 Ti/Si head unit - Capable of more power than the V3. Will come with all necessary parts to upgrade to this unit. This kits cost is $1475 shipped. with FREE SHIPPING!! With the Tial upgrade it is $1750. This is a MUST have in my opinion unless you already have a bypass valve that is bigger than 1" in/out. The hardest part about installing this kit will be taking the aftercooler out of the manifold as this requires the removal and re-installation of the manifold. Other than that it is about as difficult as installing a Stillen Gen3 cold air intake. EDIT - Can pull out aftercooler and hacksaw it off if you would prefer. No need to take manifold off and put back on. Here are some pics of the kit installed on both a G and a Z. You can see there are different BPV options as well with this kit. I will help you with what you need. http://www.the370z.com/members/topgu...0354608737.jpg http://www.the370z.com/members/topgu...3-img-2266.jpg http://www.the370z.com/members/topgu...939f2345b6.jpg |
Did you run this by the mods for approval? :twocents:
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Didn't his log also show that the ecu thought that the 230 degree air was 50 something degrees at the maf? No wonder these things pop when you turn up the boost. |
Hey topz,
You can get the intercooler out without removing. I pulled mine out as far I could, about 3". then wrapped the unit with painters tape so no shavings got back into the manifold. I used a hack saw, chopped it off and removed it. used a magnet and vaccum to make sure there was no remaining shavings that stayed behind. |
Hacking it off is another option and a much easier one. As long as people are ok destroying that little aftercooler then it will save a lot of time and possible headaches. That manifold really does suck to take off and put on due to the lack of bolt access.
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ill take a main bracket, this is to support the charger right?
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Super excited for this, hope it all comes together as planned! After seeing Ivo's temp readings at the MAF vs the charge pipe... I'm a bit scared to be running the stock after-heater setup lol
I'm sure a lot of us Stillen guys would love to have this as an option ! sidenote : if it's easier to just chop out the stillen aftercooler core I'd be all for it! |
its insane, now we all know why this kit takes out engines lol.
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You can count me in on the Main bracket anti-flex adapter!
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The water temperature of 203F is the cooling water temperature of the engine! Not the "STILLEN" cooling circuit! The water in the return pipe of the Plenum Intercoller is only slightly heated! About 10°C warmer than the air outside! I'll check with a sensor in the water tank next time... Exact dates will follow after installation of additional Air- Sensor (behind the Plenum Intercooler). BTW: If I could, I would go the way also ... A2A :owned: Keep up this good Work Guys :tup::tup: |
Must have gotten that from the accent. :icon17:
That's still 50 degrees over ambient. So if ambient was 90 degrees you are still sitting at 140f. If that aftercooler was 100% efficient, which it isnt even close to, the temps would come in at the coolest of 140f. Since the charge is 230f I'm guessing it still enters the lower plenum at least around 170f, robbing you of power and not pulling any timing. |
TopgunZ, are you sure you're working all this out correctly and accurately? :stirthepot:
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Oh yeah I never thought of that. Thank you for asking this great question twice and contributing to the 370Z community. We all appreciate your help.
Looks like you put a Stillen kit on just a month ago. You will be asking for an upgrade when your 380whp gets old, which happens to all of us. *EDIT* 01-20-17 Optimiser bought my kit a few months ago :roflpuke2: |
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I'm not greedy and will never want more HP than what I get now, it's more than enough. I'd rather leave things alone and have the thing stay reliable and not stuff around with it endlessly.
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A properly designed air to air setup will make the Stillen kit FAR, FAR more reliable. The off the shelf kit measures air temp pre-compressor. I'd bet folding money that's the reason the Stillen kit has blown more motors than turbo kits have. Switching to a blow-through MAF setup will eliminate the major risk factor with these kits - the ECU having no clue how hot the intake charge is. |
Even running the stock stillen kit is risky in my opinion.
After seeing swiss's data logging. As chuck said, this kit spells disaster. |
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The numbers he posted were terrifying. That kit is a time bomb the way they designed it. |
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I tracked mine for two years with no problems some how. Swiss has a 9 lb pulley I think but I would imagine my temps would have been close in the Florida heat.
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I need this in my life ASAP !
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(no DD, always just for fun, in the swiss Alps and on the fast lane ;)) + 9 lb pulley + upgraded Impeller 11- 12 Psi on the stock engine (Too much for the OEM block with this Kit) Why now only 9 Psi? - Brian Crower Stroker Kit (4.08 Ltr and 10,5 :1 compression rate) That will change in April:stirthepot: |
I have already done a track day with the SC and no issues whatsoever.
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Its hard to say, maybe because of the lower compression on pistons? But in theory your boost should be the same, now that I think about it. |
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Most all of the car makers that offer SC use a water cooled system. They offer the system as a highly developed off the shelf system. If you mod their system the warranty goes away. I agree with you that a better solution for an open source tuning would be a2a but the stock system seems to be fine. The tune is another story. I am planning on installing the Stillen kit in June, stock with the canned tune. As soon as it has been tested for leaks and any problems it will go to a tuner and get a proper tune. I have no plans on pushing the kit to higher boost. If I ever do, I will look into a complete solution, not just installing a 9 psi pulley. You have to do your homework if you are going to deviate from the designed system. Thanks to all for your inputs. This is a great forum!!!! |
When your making under 400whp and just above 300wtq it will be fun for a bit. But then knowing you have a car with a motor that has been proven to be reliable up to 600whp and over 500wtq will leave you wanting more.
After spending all that money to get 100hp more, wouldn't you want to spend another roughly 10% to double your gains and add another 100hp? |
NOTIFICATION: Although I am still weeks from releasing any kits or upgrades, I am awaiting approval from administration before I am able to sell anything.
I will reply here and edit the original post once this happens. |
Great work you are doing! Was going to attempt this with my tuner but life happened. Interested to see the results and potential buyer here.
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I'm totally subbed. ....thanks for stepping up to the plate and making this happen Tops
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awesome man, already let you know I'm keen via PM, have also asked if you need help regarding any RHD pictures and stuff, shouldn't be a problem but better to be safe than sorry ;)
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Yes make sure you have a "down under" option for those of us who drive on the correct side of the road...:stirthepot:
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I do not see why you would have an issue with RHD. Someone mentioned the water pump but you will be taking all that out.
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If you have the stillen kit right now, the A2A will work. RHD or LHD.
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Hey guys, I'm new to the forums and I just got a 2014 370z sport touring model. I bought it with the Stillen kit and some other upgrades. I already want more power... Look forward to a2a!
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Welcome to the family! The kit is coming together.
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