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FI Car Owners..Your honest opinion please.

I have searched and read many FI builds... SC's & TT's in different stages and brands and for those of you who actually have FI cars please correct me If

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Old 01-03-2013, 12:24 AM   #1 (permalink)
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Default FI Car Owners..Your honest opinion please.

I have searched and read many FI builds... SC's & TT's in different stages and brands and for those of you who actually have FI cars please correct me If I am wrong...But it seems that many (not all) of the builds after so much hard work, effort and money the owners somehow get dissatisfied with little or big "gremlins/issues" and before you know it the Z is gone???

Is a FI Z just not meant to be a reliable car as many owners have even made comments about having extra money set aside for the issues that come with having a FI Z.

I recently sold my 996tt that had about 500hp with some mods and after 5 years of ownership & hard driving at times my only issue was replacing a dead battery.

I appreciate your response
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Old 01-03-2013, 12:33 AM   #2 (permalink)
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Let me also tell you.. I really like/enjoy my Z and although it does not have the same power the fun factor and tighter feel brings a smile to my face
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Old 01-03-2013, 08:46 AM   #3 (permalink)
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Projects turn to disgust mainly for 3 reasons:

1. Shops are notoriously bad estimating how long something will take. That 2 month project will take 6 months.
2. Owners keep changing their mind mid-project. Sometimes this is related to #1 "It has been in the shop so long now, might as well do X" and sometimes these changes help cause #1.
3. Owners want to be different for some reason. They want to do something that hasn't been done, even if it will only provide a 5% improvement. Stay away from this impulse. Do the kit and the upgrade combo that is proven, reproducible, and well documented for time to install.
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Old 01-03-2013, 09:06 AM   #4 (permalink)
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FI cars are really worth it if you do it yourself and can maintain it yourself. Like MMC said Shops can tkae a long time and that can get annoying. Do you really want to have to rely on someone else if anything ever goes wrong? For some people that is necessary and I can apprecaite that it just makes it difficult because you want your car all of the time. But if you have to rely on a shop for everything a kit is certainly the easiest but way more expensive way to go.

A Daily driver, spare cash, and time to do your own projects will make the car very satisfying. If you can do all of that I would not do the kit route as recommended above. Most of the FI community has some generic kit and thats what slows progress on a platform. Thats why im thinking out of the box with my build. Hell im not even stopping with 1 custom build im doing 2 for the car one single turbo and one twin. But pioneering isnt for everyone.

With anything aftermarket expect some issues though. Nothing is perfect. Manufacturers spend years and millions on R&D when they release a new vehicle to make it reliable.
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Old 01-03-2013, 11:28 AM   #5 (permalink)
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I am facing the same question as the OP. I love my Z but I want to give it that extra punch. I have heard great things about the GTM supercharger kit but I'm still on the fence. I need to talk to some people currently running this set up.
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Old 01-03-2013, 12:05 PM   #6 (permalink)
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I traded in a Pontiac Grand Prix GTP with the factory Eaton M-50 on my 370Z. It was reasonably reliable but not a huge performance enhancer. The two are probably related.
From what I have seen of most DIY FI, the main problems are user related - either poor selection of components or poor installation.
Just about any mod that takes the car very far from what the factory intended is going to be high maintenance and/or low reliability.
If you are making mods like FI you are more than likely going to drive a lot harder than the car was designed for which brings more maintenance and less reliability.

What it boils down to is, if you're gonna push the envelope, you're gonna break things. Accept it and be prepared.
If you want reliable, low maintenance FI get it from the factory or have someone that knows what they are doing design and install.
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Old 01-03-2013, 12:58 PM   #7 (permalink)
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Quote:
Originally Posted by MyKindaGuise View Post
With anything aftermarket expect some issues though. Nothing is perfect. Manufacturers spend years and billions on R&D when they release a new vehicle to make it reliable.
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Old 01-03-2013, 01:31 PM   #8 (permalink)
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I am one who had a Z, installed a GTM TT kit on it myself and then a year later I sold it. Not for any reliability reason or because of problems with a shop.

Sometimes life just happens.


I started saving for FI as soon as I purchased my Z. I was single at the time and the word impractical didn't even enter my mindset.

Fast forward a year and I finally had the money to get a kit. Also, in the past year, I began dating a woman and it was getting serious.

I installed the kit and was having an absolute blast with the car. My girlfriends son was my co pilot and it was great.... Until the three of us wanted to go somewhere in the car. My girl would have to drive separate. We did that a few times to the local C&C.

Fast forward another year and girlfriend became wife. This in and of itself was not the demise of the Z.

My wife became pregnant and I mentioned that I should think about selling the Z. She immediately said that shouldn't sell it. Actually, she was very adamant that I not sell it. But the more I thought about it, it just didn't make sense to keep it. My time with the car would've been few and far between. The overall cost of the car could not justify keeping it.

For me it was an easy decision. I put it up for sale and it sold very quickly. (Probably should've asked more for it)

I do miss my car some but it has a new life with the new owner and he is very happy with the car. He's also done some things to it that were on my dream wish list. So it's kind of cool to see it with parts that I could only wish for.

I can't speak for anyone else but I honestly didn't expect to ever sell it. Life just happened and I made a decision based on what I felt was the best course of action.

Since I have sold the car I have let my mind wander and I have a bunch of different car related projects that I would like to do. I am not sure which one I will settle on but it's been fun trying to decide.
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Old 01-03-2013, 03:32 PM   #9 (permalink)
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These are great and variable responses that have many views. What I gather is that it may be possible to FI the Z with a proven kit but obviously be prepared for additional spending as normal wear is no longer normal once boosted.

I guess I was spoiled with my 996TT as it was pretty much bullet proof and never gave me any issues. I really enjoy my Z and love that its a vert but really want the option of a future boost. Nothing crazy just a simple stage 1 SC maybe? with a good tune to keep things from wearing prematurely and hopefully keep it more reliable.

I am sure your responses and insight might help others that are on the fence like I am. I personally want to enjoy the car go through the bolt on mod process of suspension, exhaust, HFCs, intake and light wheels enjoy it more then make the jump to FI. This of course would be based on good feedback like your responses.
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Old 01-03-2013, 03:36 PM   #10 (permalink)
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OEM FI cars don't (generally) have wear issues because they're.. OEM.. FI cars. (This is in reference to your comparisons to your 911 Turbo, and even if you bought a Carrera/S/4S and turboed it, the development for FI is already done by Porsche and huge engineering firms the world over, so it's still not apples to apples)

On the Z, there's not even a FI version available at all, so everything from the mechanicals to the tuning solution (while great) is engineered by entities that aren't multi-billion dollar automakers.

With a 'Stage 1 S/C' you could probably get away with a lot. It's not that much more power.

If that extra power, however, makes you drive it like you stole it... Well, if you drove like that completely stock, you'd have issues eventually, too.



Edit: Full disclosure, I've never personally owned an aftermarket-FI'd car. I've had several OEM turbo cars, including my current daily driver (MS3) and have been around people with aftermarket FI my entire adult life, so I've observed a lot, even if it hasn't been happening to me personally.
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Old 01-03-2013, 05:58 PM   #11 (permalink)
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I have 17k miles in ~17 months on a GTM Stage 1 SC kit installed by a local shop. Other than several oil leaks and some cooling issues I have not encountered any serious problems.

I am also still in the stock clutch and CSC for now, but I do not launch the car either. Launching the car is hard on the clutch and just results in wheel spin on some expensive rubber. Not worth it IMO. But from a roll, the car is impressive.

I also eventually got a custom tune to eek out a little more power for 419WHP/350WTQ. The tune from Sam is pretty good though.

Here is a post I made a while back that might help. I would just tell you that proper preparation prevents piss poor performance. I am not going to tell you that you will get OEM like reliability with an after market FI setup but for me it has been worth the trade off so far.

GMT stage 1 or 2
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Old 01-03-2013, 06:21 PM   #12 (permalink)
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Quote:
Originally Posted by Sh0velMan View Post
OEM FI cars don't (generally) have wear issues because they're.. OEM.. FI cars. (This is in reference to your comparisons to your 911 Turbo, and even if you bought a Carrera/S/4S and turboed it, the development for FI is already done by Porsche and huge engineering firms the world over, so it's still not apples to apples)

On the Z, there's not even a FI version available at all, so everything from the mechanicals to the tuning solution (while great) is engineered by entities that aren't multi-billion dollar automakers.

With a 'Stage 1 S/C' you could probably get away with a lot. It's not that much more power.

If that extra power, however, makes you drive it like you stole it... Well, if you drove like that completely stock, you'd have issues eventually, too.



Edit: Full disclosure, I've never personally owned an aftermarket-FI'd car. I've had several OEM turbo cars, including my current daily driver (MS3) and have been around people with aftermarket FI my entire adult life, so I've observed a lot, even if it hasn't been happening to me personally.
THIS

aftermarket anything tends to wear out your engine more so then OEM(besides things like CBE or intakes), but if you maintain the car as recommended by aftermarket company and OEM, the modified car should be just as reliable as a stock car
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Old 01-03-2013, 06:26 PM   #13 (permalink)
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The OP was asking why many people tend to sell their cars not long after doing a major project, not a debate on can a FI car be reliable.
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Old 01-03-2013, 08:32 PM   #14 (permalink)
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2 seats can be a beast when you have more than that to cart around. Others have some "issues" with a company or particular part and jump ship. Some people fail to maintain their vehicle like it requires in it's FI'd state and Return To Stock and either trade in or sell.

I was very close to trading in on a G37S Coupe or IPL and transplanting my parts over. Good thing we have another vehicle, she is understanding, AND I could not find an IPL within a reasonable distance in a manual..................
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Old 01-03-2013, 10:18 PM   #15 (permalink)
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Quote:
Originally Posted by Dembflyr View Post
Until the three of us wanted to go somewhere in the car. My girl would have to drive separate. We did that a few times to the local C&C.
This is the exact reason I switched looking at the 'Z's and went for a G37. I often ride as a family now and that was a smart choice.

Human nature: Once you scratch that itch, you either want more or something different. I'm a fool, because I can't leave well-enough alone, even though it surpasses expectations. Another one will sell theirs. At some point, so will I.

No exact answer in this forum. A psychology forum may give a better answer. LOL!

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