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-   -   Preparation for the STILLEN supercharger (http://www.the370z.com/forced-induction/12373-preparation-stillen-supercharger.html)

2fast4thelaw 02-23-2010 08:49 PM

Quote:

Originally Posted by Throttle (Post 414490)
Now I understand why you kept the type of supercharger a secret for so long. It has been a while since I have been able to check up on this topic and I am a bit disappointed to find that a centrifugal was chosen. Why?

The TVS is nothing short of an evolution in supercharger design yet it was not used. Did Vortec release some ground breaking new design that is on par with the TVS advancments? Or was a centrifugal chosen for ease of mounting, maintaining the stock hood or just because Stillen is more comfortable with them? Was the TVS even tested? How did it compare to the Vortec unit you are using? What made Stillen choose something other than the best?

I am asking because I respect Stillen and I know that you guys did research a lot of different options before picking the Vortec... what made the difference? Please help me to understand.

~Throttle

This question has been covered in the other Stillen thread that for some reason I cant find anymore. Stillen was forced to use a centrifugal because a TVS or screw type supercharger will not work with the dual throttle body setup. I may be wrong but I think there was some other issue with the VVEL system on the VQ37. There just wasnt room and one of thier design goals was to be able to keep the stock hood. (Thank you stillen! I kind of thought the aftermarket hoods for the 350z's were a bit Ricy) I am not exactly thrilled about the Vortec blower myself but they obviously know something I dont. I think they are noisy but thats just my opinion where many others are fine with them.

However I want to :tiphat: to them for the awesome intercooler and intake design. I feel this will definitly give them an edge to the competition and will definitly make the system more scalable for higher boost options that they will inevitably will offer.

2fast4thelaw 02-23-2010 08:51 PM

Quote:

Originally Posted by Snakes709 (Post 414617)
I know most parts are prototypes but that intake manifold looks plastic...is it plastic or am i just seeing things. Reason why im asking is on some cars its plastic and it doesnt last long. I doubt it is but im just curious

The prototype was plastic but the production unit will be cast alluminum.

Josh@STILLEN 02-23-2010 09:39 PM

Quote:

Originally Posted by Snakes709 (Post 414617)
I know most parts are prototypes but that intake manifold looks plastic...is it plastic or am i just seeing things. Reason why im asking is on some cars its plastic and it doesnt last long. I doubt it is but im just curious

The picture you're seeing is a machined cast aluminum intake manifold that's been powdercoated black before machining.

It's not going anywhere.. :)

370Zsteve 02-23-2010 10:39 PM

The guy was trying to help, Throttle.

Don't bite the hand that feeds you.:tup:

Trips 02-23-2010 10:39 PM

Quote:

Originally Posted by Throttle (Post 414935)
EDITED
~Throttle

I don't think that was a nice reply! :shakes head:

370Zsteve 02-23-2010 10:54 PM

OK, back on topic :ugh2:

fstrnldr 02-23-2010 11:14 PM

damn with all the new posts i was expecting to see some actual data on this ... but nope :(

Trips 02-23-2010 11:14 PM

If this threads get derailed by remarks bashing another member Please Report it. We don't need that in this thread.... Back on Topic :)

Xan 02-23-2010 11:17 PM

Quote:

Originally Posted by fstrnldr (Post 415033)
damn with all the new posts i was expecting to see some actual data on this ... but nope :(

Kyle did post a nice picture:

http://www.the370z.com/attachments/f...mp-sensors.jpg

roplusbee 02-23-2010 11:25 PM

If it's going to look like that, I may give it a shot. I am still leaning toward doing an NA build, but that is downright tempting. Can't wait for the actual numbers with a price.

Trips 02-23-2010 11:27 PM

Quote:

Originally Posted by roplusbee (Post 415043)
If it's going to look like that, I may give it a shot. I am still leaning toward doing an NA build, but that is downright tempting. Can't wait for the actual numbers with a price.

I have to agree it sure looks impressive, and will see how well it does.

docaam 02-24-2010 12:03 AM

subscribing :)

1slow370 02-24-2010 02:40 AM

I have a question, how in the smurf do we remove the passenger manifold bolts and please dont tell me to use a really long box wrench.

StillenZ 02-24-2010 08:55 AM

Why ooh why do I spend so much time checking this thread... just keeps getting bumped and its killin me...

February 24th... Thats pretty damn close to the end of February, beginning of March.. if ya know what I'm sayin!

370Zsteve 02-24-2010 08:57 AM

Pricing? Pricing!

kdoske 02-24-2010 09:01 AM

Quote:

Originally Posted by 1slow370 (Post 415179)
I have a question, how in the smurf do we remove the passenger manifold bolts and please dont tell me to use a really long box wrench.

http://img51.imageshack.us/img51/610...handysmurf.jpg

Sorry, I couldn't help myself. How in the smurf, lol......

fstrnldr 02-24-2010 09:38 AM

Quote:

Originally Posted by Xan (Post 415036)
Kyle did post a nice picture:

its just too bad this is probably one of the few cases where "a picture is worth a 1000 words" isn't even close to true. Now maybe if it was a picture of a dyno chart with psi numbers, a/f, IC inlet outlet temps etc, then we would be getting some where. If i just wanted pretty pics there are a LOT better sites out there for that sort of thing.

370Zsteve 02-24-2010 09:42 AM

Speaking of pretty pics, when you lose the engine cover, it's one fugly engine. All hoses and wires and valves, feh.

Stillen, here's a marketing idea for you: A custom-designed engine cover that hides everything except the supercharger :tup: plenty of room for nice STILLEN logos, modders will eat it up.

Xan 02-24-2010 11:28 AM

Quote:

Originally Posted by 370Zsteve (Post 415398)
Speaking of pretty pics, when you lose the engine cover, it's one fugly engine. All hoses and wires and valves, feh.

Stillen, here's a marketing idea for you: A custom-designed engine cover that hides everything except the supercharger :tup: plenty of room for nice STILLEN logos, modders will eat it up.

http://www.the370z.com/forced-induct...tml#post413919

:tup:

Kyle@STILLEN 02-24-2010 11:54 AM

Quote:

Originally Posted by Throttle (Post 414490)
Now I understand why you kept the type of supercharger a secret for so long. It has been a while since I have been able to check up on this topic and I am a bit disappointed to find that a centrifugal was chosen. Why?

The TVS is nothing short of an evolution in supercharger design yet it was not used. Did Vortec release some ground breaking new design that is on par with the TVS advancments? Or was a centrifugal chosen for ease of mounting, maintaining the stock hood or just because Stillen is more comfortable with them? Was the TVS even tested? How did it compare to the Vortec unit you are using? What made Stillen choose something other than the best?

I am asking because I respect Stillen and I know that you guys did research a lot of different options before picking the Vortec... what made the difference? Please help me to understand.

~Throttle


We chose the Vortech centrifugal for a few reasons.

#1) Hood clearance- We built a supercharger for the 350Z and G35 that required a replacement hood. We found that this hurt sales and a lot of people did not want to be forced to change their hood. When we designed the kit we didn't think it would be a big deal because we all focus on performance before aesthetics. Because we learned that not very many people wanted to change their hoods on the 350's, we decided to stick with the centrifugal on the 370 and G37.

#2) We absolutely could have made an Eaton or Vortech top mount blower fit and to be honest, it would have been A LOT easier!!! But again, there would have been issues with hood clearance. If we went with the top mount supercharger we could have simply designed a hammerhead looking rear intake tube, retained the factory throttle body position, and designed a cast aluminum intake manifold with intercooler built in...Very similar design to our current offering for the VQ35. However, that system would have required a hood that is about 3-4 inches taller in order to clear the kit. It would have been a lot easier but we believe that the vast majority of people would not want to change their hood.

#3) Power potential, yes the new Vortech units are very nice and if you can fit an appropriately sized blower then you will have great power potential. However, fitting the appropriately sized blower would be the issue. Superchargers are designed for certain displacement motors. The smaller the motor, the smaller the blower. The larger the motor, the larger the blower. This is because the supercharger needs to be able to move enough air so that it can supply the engine with a sufficient amount of air. The Eaton roots supercharger system that we use on the VQ35 is designed for engines up to 3.5 liter displacement. It works very well up to about 8 psi. Anything more than that and it just can't move enough air. The next size up supercharger can move more air thus making more power, but its larger size means the hood bulge needs to be even bigger...The same would be true for the Vortech/lyscholm twin screw blowers.

Kyle@STILLEN 02-24-2010 12:14 PM

Quote:

Originally Posted by fstrnldr (Post 415391)
its just too bad this is probably one of the few cases where "a picture is worth a 1000 words" isn't even close to true. Now maybe if it was a picture of a dyno chart with psi numbers, a/f, IC inlet outlet temps etc, then we would be getting some where. If i just wanted pretty pics there are a LOT better sites out there for that sort of thing.

You are 100% correct! We have been asked for video's of the car idling in the shop...We're not going to post those because they show nothing other than belt alignment and noise. We have been asked to show preliminary dyno graphs...We're not going to post that because they don't show what the KIT will be and will only confuse people who don't read all of the forums. After all, we're at 33 pages and I've had to answer the same questions numerous times...Posting dyno information would only confuse people.

When everything is completed, we will post video's of dyno pulls. We will post the dyno's. We will post what boost we're running.

I hope that no one gets offended by this but...We will not be pressured into posting any information by potential customer's or other manufacturer's/vendor's. I would think that everyone would want us to focus on development and take the time necessary to develop the best possible product. Rushing things only leads to mistakes or improperly designed products. I'm not going to give you a promise date of information and not deliver it because who knows what may happen. We might learn something new tomorrow and make more power and want to research it further. Or we might find that we have a problem with a bracket and need to redesign it thus pushing back our timeline again. We have been developing similar systems for 25 years now and we know that surprises pop up. I would rather give a little bit of information now and make no promises on release dates or power levels or anything than tell you that I'll have everything ready for you by tomorrow and make you wait to see that information.

Some people might think "Oh STILLEN is scared or unconfident in their product so they arent talking about it. Or they must be having issues with their kit and that's why they aren't posting anything." It's actually quite the opposite. We are so confident in the kit that we have developed that we don't feel any pressure to release our boost levels or dyno information or anything like that until it's all finished. We are reaching awesome power, our vital components are working perfectly, I had our carbon fiber supplier down yesterday to look at the engine cover, things are moving along perfectly and we are right on track for our end of February/early March (2010 LOL) release date.

Again, I really hope that no one was offended by what I just wrote and I hope no one thinks that we're upset at all by any of your questions or comments. We enjoy hearing from you guys and being able to talk about the products in the open forum like this. We learn a lot about what you want and we hope it gives you insight into how we develop the products the way we do. :usa::driving::D

Buddy Revell 02-24-2010 12:47 PM

Sounds good to me, Kyle. Looking forward to more info when you guys are ready.

G Fo12ce 02-24-2010 01:05 PM

Looking good. Still Interested to see the final #'s and price.

This is minor but there is one cosmetic part that bugs me and you are always looking for feedback right lol. I though I'd just throw it at you.

http://www.the370z.com/attachments/f...mp-sensors.jpg

The support bracket on the charge pipe that conects to the engine (between the compressor and Y split) looks tacked on. I suggest not welding it to the top of that pipe (maybe the side or bottom). Extra deluxe would be to have some sort of detail/cut outs on it but I'm sure that would drive the price up. Normally I wouldn't say much about a support bracket but it's visually on a central part of the kit.

With such a nice looking/custom manifold and endtank right on top of the engine, why stop with an eye-sore bracket :p.

Kyle@STILLEN 02-24-2010 01:18 PM

You are 100% correct and we have discussed that piece a few times.

Unfortunately there is no way that we can mount it on the bottom or on the side as there are hoses and wires running around that area that would get in the way. However, we could definitely do some sort of accent to it such as cutting out some dimple die holes or giving it some sort of shape. I will suggest some sort of design!

Thank you very much!

m4a1mustang 02-24-2010 01:33 PM

Yeah, the bracket is pretty fugly. :)

rcm2525 02-24-2010 01:39 PM

That bracket my be ugly but all in all this is looking sharp. I just hope it will fit my NISMO. Good work guys.

travisjb 02-24-2010 02:15 PM

Agree... + maybe powder coat to match black manifold ??? might de-emphasize size of pipe and bracket

Quote:

Originally Posted by G Fo12ce (Post 415654)
The support bracket on the charge pipe that conects to the engine (between the compressor and Y split) looks tacked on....


NewYorkJon34 02-24-2010 02:30 PM

Hey Kyle, will there be a full review on the stillen site or inside line of the Supercharged 370Z?

Kyle@STILLEN 02-24-2010 02:46 PM

Quote:

Originally Posted by NewYorkJon34 (Post 415763)
Hey Kyle, will there be a full review on the stillen site or inside line of the Supercharged 370Z?

Most definitely!

Most of the information will be the same but when we are able to move the kit onto the Z we will be posting more information. Keep in mind that all over our performance numbers and dyno info will start from the automatic G37 non-sport that we've been using for testing. When we switch to our manual gearbox 370Z sport package we will release new information.

G Fo12ce 02-24-2010 02:50 PM

Quote:

Originally Posted by Kyle@STILLEN (Post 415681)
You are 100% correct and we have discussed that piece a few times.

Unfortunately there is no way that we can mount it on the bottom or on the side as there are hoses and wires running around that area that would get in the way. However, we could definitely do some sort of accent to it such as cutting out some dimple die holes or giving it some sort of shape. I will suggest some sort of design!

Thank you very much!

A couple options off the top of my head would be some type of clamp that would allow the bracket to be bolted onto it (if it looks good). Or a nice looking weld and do the dimple die look or triangle cut outs may look good with the factory triangulated Z strut brace. It would still look good on the G also.

G Fo12ce 02-24-2010 02:57 PM

Quote:

Originally Posted by travisjb (Post 415755)
Agree... + maybe powder coat to match black manifold ??? might de-emphasize size of pipe and bracket

I agree with that also.

On that topic I think the STILLEN intake manifold would look hot with a red wrinkle finish too like the NISMO engine cover or the Honda Type R covers.

VF does it on thier M3 intake/water cooled supercharger manifolds too:

http://www.vf-engineering.com/images...6_m3/top/7.jpg

http://www.vf-engineering.com/images...6_m3/top/9.jpg

http://www.vf-engineering.com/images...6_m3/top/6.jpg

simota1 02-24-2010 03:19 PM

Quote:

Originally Posted by travisjb (Post 415755)
Agree... + maybe powder coat to match black manifold ??? might de-emphasize size of pipe and bracket

:iagree:i will definetely powdercoat that piping to match the manifold... :D

Kyle@STILLEN 02-24-2010 03:29 PM

Quote:

Originally Posted by travisjb (Post 415755)
Agree... + maybe powder coat to match black manifold ??? might de-emphasize size of pipe and bracket

Currently we plan on having a nice polished aluminum charge pipe up front but if there is sufficient interest in a run of black powdercoated charge pipes we could absolutely make that happen. I could definitely see that looking very nice.

G Fo12ce 02-24-2010 04:00 PM

Quote:

Originally Posted by Kyle@STILLEN (Post 415823)
Currently we plan on having a nice polished aluminum charge pipe up front but if there is sufficient interest in a run of black powdercoated charge pipes we could absolutely make that happen. I could definitely see that looking very nice.

I can see how from your standpoint that would make the most sence since I'm sure the compressor housing comes polished from the supplier and it would look consistent. People who want custom colors will powder coat on thier own.

While we are on cosmetics, I like the black silicone joint/hump hoses but I think that intake hose should be black also and not blue.

RCZ 02-24-2010 04:06 PM

^ I have a feeling that final production will have matching hosing....Come on...

Josh@STILLEN 02-24-2010 04:12 PM

There will definitely be some cosmetic tweaks to what you're seeing here. It doesn't have the be the prettiest on our test mule.. just needs to work. :)

Yes, we'll match the silicone colors..

You guys like pink right? Ok good..

Rickey89 02-24-2010 04:17 PM

Quote:

Originally Posted by Josh@STILLEN (Post 415878)

You guys like pink right? Ok good..

hot pink :iagree:

G Fo12ce 02-24-2010 04:45 PM

Quote:

Originally Posted by Josh@STILLEN (Post 415878)
There will definitely be some cosmetic tweaks to what you're seeing here. It doesn't have the be the prettiest on our test mule.. just needs to work. :)

Yes, we'll match the silicone colors..

You guys like pink right? Ok good..

I hear ya, just trying to help you get it right considering the stuff Kyle touched on for the VQ35 kit. I mean well...

G37Sam 02-24-2010 04:48 PM

IMO, let's get that thing tuned and running 100% then we'll worry about cosmetics :p

Unless of course a pink housing would add a few ponies lol

Josh@STILLEN 02-24-2010 04:55 PM

Quote:

Originally Posted by G Fo12ce (Post 415914)
I hear ya, just trying to help you get it right considering the stuff Kyle touched on for the VQ35 kit. I mean well...

Oh no.. I'm sorry.. appreciate the thoughts and ideas.. I was just being not-so-funny with my pink comment, while letting you know we agree and the silicone should be a single color.

Just wanted to point out that it's still the prototype.. it will be a bit cleaner.. but we love hearing everyones ideas..


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