Recommended supercharger setup?

ANMVQ

I know that why I put the "LOL" I actually was smiling when I read you post,

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luigi90210

I just remember reading that on some forum when i was google searching problems with both kits, thats the only thing that was really worrying me if i went that route

thanks for clearing that one up


can you please explain?
by inferior parts you mean like intercooler and such or something more major?

ANMVQ

Really wouldnt say inferior, But maybe not the best choices, The heat exchanger is small, and some think the intake design on the Stillen kit is poor( MAF) location, I'm still up in the air on that one I will know more when I get my car back and retune it for my upgrades.

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weiboy718

Jezzzz, idk why it takes me a while to understand what you're trying to say. Doesn't really make any sense but whatever man. I'll

luigi90210

does the heat exchange cause problems?
I dont plan on making any more than advertised power tbh, 412whp is pretty fricken fast if you ask me

Osiris

Well, since owning my kit, i've had to replace two of the pulleys that came with the kit due to failure. I've also had to upgrade the bypass valve as the small plastic one that comes with the kit isn't adequate for proper tuning and performance. Had to modify the reciruculation tube so that it could handle the proper amount of return. I had to upgrade the jackshaft and super charger pulley to cogged pulleys in order to avoid belt slip. I've also been told by my local performance shop (that has worked with these kits) that the intercooler will not disapate heat properly if you're using more than 12psi. Customizing a front mount intercooler for this kit will be a big undertaking IMO. I've heard of others having to upgrade maf's, and some have even gotten bigger injectors than what the kit comes with. And of course, others have also upgraded the impeller on the actual blower in order to increase low end torque. Oh and, speaking of torque, IMO, that is where this kit lacks. I'm getting 308WTQ on a mustang dyno. While you're reading about other kits, take note of the torque numbers.

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Huck

I don't have either one, but I read a lot about both of them. I honestly haven't heard too many good things about the Stillen SC. People have a lot of problems with them, the tune they give you is absolute crap, and they don't make much power. Stillen's product quality and customer service have started lacking severely for the 370Z, whereas GTM has done nothing but improve and continue to please people. If I were to consider a SC I would be looking at GTM before anything else. Just my


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luigi90210

well now im leaning towards the GTM kit now
I am not worried about the intercooler not dissipating heat because im only going to run 9-10psi but the other problems you mentioned are worrying me

aside from the belts slipping and the recirculation tube needing to be modified, what other problems have you run into with the stillen kit?

I have heard from a lot of people, online and in person that the stillen kit has problems and usually i would just go gtm but because i live in california and smog checks here are brutal, and id rather not pay for fake smogs and such

weiboy718

You still got plenty of yrs to play before your car is due for your first smog. Why worried about it now? Mines is due very soon and I'm not even worried about it.

Osiris

hahaha, well, i also didn't mention the multiple tunes i've had to get while working out the kinks in the kit and the $$ they cost me. On the bright side, it is working and stable now; but really, you shouldn't have to customize and spend more money on a "bolt on" kit in order for it to work properly. Only other issues i can remember i had was that i was getting minor detonation that had to be worked out through one of my tunes. I also (i keep remembering) had a hole in one of the welds that was a big boost leak. However, i can't prove whether or not it was there to begin with or not. I've since gotten it fixed.

But like i said, after much extra $$ and headaches later, it is now working and producing advertised numbers. Do it all over again, for me, definitely would go different route.

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SAM@GTM

You have completely lost any credibility here because you are willing to do anything and say anything to support your point. You are willing to make things up and lie to mislead people with your statements...especially when it comes to people that are looking for unbiased opinions. Your view is so skewed and far removed from reality it is frightening.

Here's an example:

Your statement today:

Your statement 6 months ago:

from this thread you started: Stillen service reveiw .BAD

Here's your dyno graph before the tune and here's your dyno graph after the tune and this is from your own posting:


Keep in mind that you are always on a load bearing dyno which can have too many variables and allows the operator to make the numbers higher or lower at a whim. You have lost your mind so much that you have stated that a Dynojet number is inflated numbers. Keep in mind that the Dynojet is the industry standard dyno since you can't mess with the numbers and the car will read the same Dynojet to Dynojet. They are 100% consistent every time.

Then you stoop to a new low by making stuff up and stating that there are multiple blown engines on our GTM Supercharger kit. Please enlighten me and list and backup your statement.

The only failure I am aware of is the one in Saudi Arabia when it was 140 degree weather while he was racing an AMG C63 in the desert at over 180kph...before he had gone through the verification and data logging process or dyno testing to ensure the AFR was spot on. Besides, if you are planning on going 180kph in 50 degree celsius engine, a stock engine simply cannot take it. Furthermore, this guy is so dissatisfied with our kit that he is buying our GTM 4.2L Stroker Long Block, GTM Stage 4 Transmission, GTM Stage 3 Supercharger Upgrade, GTM Return Fuel System, and our GTM Direct Port Water/Methanol Injection system.

In closing, I really don't enjoy doing this to you or anyone for that matter. You have called me for advice, I have tried to help you over the phone with some input even though you are not our customer. You just leave me with no choice.

To the OP, I'm sorry to ruin your thread. There is some good information on here that will help you make a good decision. Here are some dyno graphs of both the Stillen Kit and our GTM Kit on the same car on the same dyno. What you will notice is that our kit is superior in all aspects straight out of the box. The dyno graphs below speak volumes.


Sam

weiboy718

Thank you Sam!

I thought I was the only one getting annoyed.

Mr.Squeeze

Get the GTM kit and be done with it I learned the hard way.

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tomnavone

I have had the both the stillen kit and the gtm kit
I had nothing but problems with the stillen kit and their support
The gtm kit made awesome power right out of the box and Sam is awesome to work with
Here is a blog post about my experience with both kits
There is dynos for both kits on the same dyno in that blog and side by side comparisons of power

Z-Car Blog Post Topic Determined to Boost: Tom’s 370z

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ZKraken22

Well OP im in the same position your in. It would seem the GTM kit is better for performance no doubt. If you want performance Get GTM. Worst feeling in the world is spending X amount of money and you still cant beat a full bolt on (Mind you when i say fun bolt on im speaking of cams too) 5.0, SRT8, or SS. But if you don't care about power then don't worry about it.

Right now i like the Stillen kit because you can run LTH headers with the stillen kit like user Swiss370z, And Rcz34 did. People have lost power with the GTM kit when they run LTH. Going through the fast intentions LTH thread i found this statement...
"I have never in my life ever, ever, ever, installed a supercharger on a car along with headers and lost power. The only way it is possible is if the supercharger kit is inefficient" That was a red flag for me... Im not going to remove the headers for a kit (money lost) But that's me.

I like stillen as a company and the fact that they got their kit carb legal saids a lot.
The sound of the stillen supercharger kit is louder! the GTM kit seems quiet. Both kits dont sound like what the 350z vortech kit was

GTM is more in price. And i've watch a video on youtube of a Black girl bash GTM's customer service. She ordered a system and it took for ever for her to get. She recorded conversations when she called GTM and everything else. I saw that and was turned off from the company.

Now that said im happy GTM supports our car and they know alot about the VQ motor. I hope GTM can become what AMS is to EVO. Really looking forward to the twin Charged System! But the GTM kit does not seem like its for me. but im trying to force myself to like the kit as i dont wanna be the idiot being beat by a full bolt on American muscle car lol.

Im waiting on a kit ill really love, so op really do your home work because we are all different. I.E i like the flashy look of the Stillen kit but you dont example of something that doesn't work for you which GTM kit seems to be less maintenance and a clean look that you like. So its not about what everyone else likes its about what works for you, good luck

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