Forced Induction
 

Due to the MASSIVE DOWNPOUR of negative comment's about GTMs customer support/order times, I am reconsidering. So while I have your attention, what supporting mods would be needed to handle the horsepower gain?

Any reason for me to go Twin Turbo since the GTM twin SCs are out.

I'm looking to have 500-600whp in the next few months and top it off @ 800whp in 6-8 months. So what will I need to get there?

Supercharger
New clutch
Better radiator than what comes with the SC kit.

Do yourself a favor and back out now!!!! There many other Forced Induction options a lot better than gtm so research before you get into something you may not be able to get out of with gtm..

+1

Good luck with your 2018 GTM Twin SC goals.

Why people still consider GTM?

I am building a budget to go FI myself. I have been on the forums for about 2 years, collecting data and making choices.

Take your time, save your money and go for the deal that feels right.

These opinions are just that, opinions. On that note, I will add mine and say stay away from GTM. That is just one massive headache. But that's just me, I like to live my life as headache free as possible. Which is why I do all my own maintenance and installs. And one more opinion, if you really love your car, you would too. Time is always on your side :)

Opinions do not mean much when it only comes from a couple people out of 100 people. But when the majority have the same opinion, there is something to be concerned about.

Just covering my *** against some of the more "politically correct" people out there. I don't like saying bad things about others, but in this case, you are 100% correct.

GTM is a nightmare for anyone who wants quality

If you know little then boosted performance ftw. Cheapest power per dollar. Easiest install. Easiest maintenance. No bs on customer service. More power than you will need.

VSR out of tampa FL has a turn key which has been out longer than any other turbo kit is another great option..

2018!! Hahhaahhahahaha

Im gonna have to Salute FI, Boost performance, and all the other turbo kit manufactures except for some some who used their own money for R&D and didn't give up while others are using people's money for their R&D...

Any admins, please close this thread?

Hey you ask..

I'm not getting offended, or anything, just want to start a new thread regarding my FI and don't want 2 threads pertaining to the same thing, especially so close together

The product itself is fine. I've been running a GTM SC kit for some time now and another guy in my area has as well - no issues with the quality and I had a guy in my area who is a renown whiz with these cars double check everything (and paid through the nose for it). Verdict was that the kit was high quality once we got the right parts and had everything set up properly.

That said, their "bedside manner" and timetables suck.

Edit: Also if you are concerned that a FI build is going to "destroy your car", then you don't want a FI build. FI conversions on non-built motors and hey, even built motors are nerve wracking. You are introducing multiple failure points into a vehicle that was not engineered for the stress(es) you're about to put on it. Things can and will go wrong and when they do, it's going to be expensive to fix. If what I'm describing to you does not sound appealing, then please for the love of god, do not build it.

I'm attempting to prevent those with this post, by finding out where those failure points are and whether a replaced part can patch it or resist failure better than factory.

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don't worry about the little failures it will fail all on its own no matter what you do to it F.I. or not, just gotta deal with it when it happens. The GTM superchargers have always been good quality wise you just need to be fully prepared to wait a long time to get it. Because it is taking so long, and because of the group buy that has been going on for a long time they have gained a lot of negative opinions on the forum, and now all responses about anything gtm are all pitchforks and torches. If you only want to do supercharging the GTM kits have consistently mopped the floor with the stillen kit, but it has taken months for guys to get their kit. So if you choose to order take it slow, do upgrades on the rest of the car in the mean time, and DO NOT take your car apart or schedule the kit install until you get the kit.

Edit: now as for the actual intent of your post if you have a manual the whole clutch hydraulics system is utter garbage and will try to strand you somewhere, especially with a stiffer spring in the clutch, the diff bushings in the rear end want to explode, get an oil cooler with whatever kit you do order, a better radiator also helps. beyond that it is just gauges, and things like meth or e85 conversions. It seems so far that so long as you stay around or under the 550hp mark it will last a while engine wise until some random shiz like blown gasket happens(which also will happen bone stock randomly to unlucky people ask me how I know)

Also take cosmo's opinions about gtm with a grain of salt since he apparently managed to be the only person on GTM's do not sell to list lol.

Yes definitely be sure to listen to 1slow370 because he seems to think he knows anything here on the forum and often talks out of his @ss most of the time .lol Hey 1slow370 going to z days?

My goal is for 600whp+

So.... along with the SC
New clutch
Better diff bushings?
oil cooler
After-aftermarket radiator
and exhaust

Anything else?

Also, how'd you manage to do that Cosmo?

Me too, which is why I've stayed away from performance mods, especially forced induction. This forum is littered with a huge number of such headaches, large and small. I'm sure that for many of you 500 hp is worth those headaches. I applaud you all for indulging your hobby to that degree.

If you want to be around 600+ HP, I wouldn't suggest a Supercharger. You would be better off with a Twin Turbo kit.

I lot of good comments on potential failures points with a higher horsepower 370Z.
If all else, consult with the performance shops with experience who have seen the issues and solved them.

In regards to GTM. They are one of the few elite engineered systems out there that work. I am satisfied with the quality of my supercharger kit assembled and engineered by GTM. Sam/George have always been there to answer my questiions and inquiries. Sometimes beyond what is neccesary. I had to wait 9+ months for my kit to arrive when it was in it's development stage and no, I was not happy, but the end result was worth it.

Do GTM's kits have room for improvement? Yes, as with most FI kits out on the market.

GTM will rebound and once again be one of top elite performance FI companies for Nissan performance.

600+ hp on the stock block? Laffo.
You'll put your eye out kid.
HO HO HO

(You are going to blow the motor)

So anyway, without building the motor I would not take it above 550whp. I stopped at 500 to be "safe":
-Oil cooler is a must. The bigger the better.

-I had massive traction issues (1 wheel peel etc) after the upgrade so I sprung for a Quaife diff and some meatier tires (275f/305r) and that solved most of the problem. OS Gaiken makes a better diff but they're noisy and require rebuild periodically.

-Your exhaust is fine but if you want better numbers, you will need something more suited to FI (free flowing)

-After 6 months, my stock clutch is still hanging in there but I can feel it starting to slip in 2nd on occasion so it's on the "probably needs to be replaced at some point" list.

-Get rid of your cats if you can get away with it.

Who will warranty/replace parts on the GTM kits if they go out of business? When a companies viability comes into question, it is often a downward spiral.

Bahahahahahahaha!!!!!!!!!!!!!!!!!!


(GTM will rebound and once again be one of top elite performance FI companies for Nissan performance.)

A deep seated hate. Lol


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Pull the trigger and see for yourself. Us that have much experience with gtm know the ropes and just trying to help out fellow members so due take it like a grain of salt.. lol

If it takes 5+ months to deliver an established kit then there are serious problems. My guess is that it's a money issue on their part. If you pay upfront for a kit that money is most likely used for other reasons and you being told your kit is 'in the process of being built' is just plausible deniability to justify the delay in delivery. When contacting GTM about the status of your order the reply can range from the truth to outright lies and everything inbetween. At times Sam can be helpful and knowledgable, other times it's difficult to believe you're not having smoke blown up your azz. Generally build quality is pretty good but I'm sure that statement is debatible with a few members of this forum and several that are not. If GTM had kits on the shelf I would not hesitate to make a purchase. If there wasn't a problem with money I would think kits WOULD be on the shelf or at least with only a 2-3 week lead time which is acceptable for most people. GTM will eventually stop swirling the toilet bowl and either slowly ascend upwards or be flushed completely, only time will tell. I hope the best for them but don't think I would 'order' another kit until they get their act together. More on my situation later.

Thank you for the advice.

So, going the TT route I'm looking @: Fast Intentions TT kit, headers, and HFC

and somewhere in the 500-575whp range

I'll keep looking into better clutches, and into Quaife. Thanks for the advice.

you can't do FI TT kit AND headers just fyi.

and no, do not go with gtm! save yourself the headache

Man...the **** that people say nowadays....

12.5psi/600hp/530tq....7000 miles....almost daily driven, commute, traffic, uphill, stop and go, you name it. Not a single problem, not one. Starts up every time, not one stall, no hesitation, no CEL, nothing. Stock block btw.

There are 3 of us doing this....2 daily driven, one being tracked as we type. I hate to say it, but we doing very well.

PM me, or you can call Tony@FI.....we can talk shop or he can get you set up.We can give you realistic expectations on what this car can and cant do, I live your goals daily, no speculations, no google, no BS.

Happy boosting my friend! We got your back!

....sigh... faceglide when u speak about ur numbers you should note that you're on e85 and not pump gas which EVERYONE here uses. The $hit people are talking of are PUMP gas. Not everyone has e85 readily available and not everyone upgrades the fuel system to take e85 gas.

Can't compare your numbers to pump. I don't see anyone here trying to run race gas and then comparing them to pump gas.

For everyone else, just read his signature and you will see how he got such high numbers. You will NOT get those numbers on pump gas. Don't be mislead.

Actually I was talking about the constant GTM bashing....my sig is in every post, i figured it to be sufficient.

Its just a bit tiring to hear someone inquire about GTM stuff and have them get bombarded with the bitching. We get it...stay away from GTM, they have been branded.

I am not misleading anyone, I would rather him PM me about my build and how I got there than make a post about it and become a FI vs GTM vs BP vs VSR vs whoever else got there. If the OP is interested in my build I will talk to him about how I got there.

I am sorry if my intentions were not clear, I am glad you guys have his back, but am fearful for this being another "torches and pitchforks thread". I am pretty tired, so maybe I was not clear. But the OP said 600hp on stock, just want to help the man out.

That's cool.
It does get tiring of the constant bashing but I suppose it's to inform the newcomers of potential headaches that will happen and unfortunately many don't use the search feature and dive right into the deep end.
To the OP would be best to speak to the main forum guys and your shop installer on the best way to go. All the experience is there for u to read.
If you want the absolute best twin turbo option then FI is the way to go. Faceglide has an absolute beauty of a set-up and following his build will get u those amazing safe numbers on the stock block. Even running pump gas you will still have the best available twin turbo option.
If SC is ur preference then there's just not many options there. For ur power goals you'd be better off going turbo tho.

There's also single turbo options of BP and VSR and I believe JTran has a kit coming out or already out just have to speak with them.

Indeed. The initial "stay aways" are warranted, its the lingering comments that just pollute so many threads...unnecessary.

It is great that we have each others back though. In the end, a mistake may have been avoided.

OP
*TUNED+install(even BP, I would have a pro at least look it over to check your work, wouldnt cost much)
*FUEL SYSTEM
*COOLING

From there you have what insurance you need to keep things safe. Always overshoot, do not skimp on these things(or anything in your build).

Correct me if I'm wrong faceglide, but the Complete FI kit comes with everything I'd need for fuel and cooling, does it not?

Fast Intentions Twin Turbo Complete Kit (650cc injectors) ($10,000)
+34 row Oil Cooler Kit ($500)
+GTX3867Rs ($425)
+Bosch 850cc injector ($50)
+Uprev Tune ($550)
+ Labor ($750-1,300)

~$13,000?

What will this put me @ in terms of Whp/Torque?

+Clutch Master kit ($450)

Basically yes, but for goals beyond what 93 can push, you would look into upgrading.

OH and a completely stock fuel system with pump and relay will still show some pressure drops in fuel pressure right around the 500hp mark. This is why I would recommend a FAST500 type system to be safe.

Is it ok to run without? Yes.

Would I personally live with it? Hell to the no.

the twin supercharger kit should do 600, SSFirehawk is at like 560 and he is on the 92mm pulleys not the 88mm ones on pump gas. They have ones smaller than 88 too aparently. The ID1000 injectors are very popular, you can't go wrong with injector dynamics, that doesn't mean that cheaper injectors wont work fine. IF pump gas you will be fine with 800's on e85 you want a little more than that for the power you are looking at making.