Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Brakes & Suspension (http://www.the370z.com/brakes-suspension/)
-   -   Lowering Springs Comparisons (http://www.the370z.com/brakes-suspension/75869-lowering-springs-comparisons.html)

/Angelo350Z/ 10-05-2015 06:09 PM
^^ Looks good, but you should've went with 25mm in the rear.

Zipper 104 10-06-2015 02:31 PM
You know
 
Quote:
Originally Posted by /Angelo350Z/ (Post 3323066)
^^ Looks good, but you should've went with 25mm in the rear.
I was looking at it the other day and figured I could have gone with 25s. The room is there I think without them poking too much. If I were doing it again now I think I'd try some 25s, but at the time I liked how the 20s looked on my test fit and didn't think there'd be room for 25s.
I like the 20s though. I won't be changing them for 25s.

If anything, the front could use 25s before the rear.

104

Dragon_Ball_Z 11-08-2015 04:09 AM
I have heard and read that tein drops 1.5 inches. Is tein lower than swift?

Hotrodz 11-08-2015 11:00 AM
Yes, they are about a half inch lower.

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onzedge 01-23-2016 12:25 PM
Quote:
Originally Posted by Trips (Post 2462703)
Hey Folks,

I've been putting this list together as much as possible.

WE have a lot of NEW and existing members who ask about lowering springs, And so I hope this will help since this will be primarily for spec comparison.

I need for folks to let me know what more is available with specs of course so I could include them to the list as this will be stickied for easy reference.






Stock.................................................. ...Drops...........................................Spring Rates


OEM Stock Springs.................................................. ...........................FRONT: 7.5K REAR: 8.0K

OEM Nismo Springs.................................................. ...........................FRONT: 8.1K REAR: 9.1K


Aftermarket Springs

Ark GT-S Lowering Springs...............FRONT: 1.4'' REAR: 1.2''.........................FRONT: 9.5K REAR: 10.7K

Ark GT-F Lowering Springs...............FRONT:1.4'' REAR: 1.0''.........................FRONT: 9.5K REAR: 10.7K

Eibach Pro Kit Lowering Springs........FRONT: 0.9'' REAR: 0.8''........................FRONT: 8.6K REAR: 9.5K

Tein Lowering Springs .....................FRONT: 0.9'' REAR: 0.7".........................FRONT: 8.5K REAR: 9.4K

Tanabe TGF150 Lowering Springs .....FRONT: 0.8'' REAR: 1.0''.........................FRONT: 8.8K REAR: 9.1K

Tanabe TNF150 Lowering Springs .....FRONT: 0.8'' REAR: 1.0''.........................FRONT: 5.9K REAR: 6.8K

H&R Sport Spring Lowering Springs ..FRONT: 1.3" REAR: 1.0".........................FRONT:? REAR:?

Swift Spec-R Lowering Springs .........FRONT: 1.2'' REAR: 1.0''........................FRONT: 10K REAR: 10.5K

Megan Lowering Springs ..................FRONT: 1.5'' REAR: 1.5''........................FRONT:? REAR:?..

Ti2000 RS-R Lowering Springs ..........FRONT: 0.6'' REAR: 0.6''........................FRONT: 8.1K REAR: 8.8K
:tup:

370nellez 03-23-2016 11:59 AM
is megan really 1.5 drop?

i thought the lowest was ark gt s? could someone clarify thanks..

on a side note i was thinking of lowering my 2013 z on stock rays wheels on ark gt s (if that is the lowest drop) was wondering if i would need any other parts to make my alignment perfect. also after reading these comments would like to get spacers..

Breadz 03-28-2016 07:31 PM
Before and after with swift springs ,been on for about a week
need to take a better picture of the after but this will do for now
Top picture=stock and bottom=swifts

Thanks to kamispeed :tup:

http://puu.sh/lBv7F.jpg
http://puu.sh/nWl2i.jpg

/Angelo350Z/ 04-10-2016 11:24 AM
Ark GT-S
http://i1043.photobucket.com/albums/...psmvbdsykb.jpg

I recently switched from Swift to Ark GT-S springs. I loved the Swift springs, they just didn't lower the car enough for me. The Ark GT-S springs, on the other hand, just gives the Z a more menacing stance. With that said, my car's too low that I managed to destroy the front aero diffuser, left and right air guides, as well as bend both of my FI canisters in 48 hours. My car can literally scrape on a burrito. I'm switching to coilovers.

wheysted32 04-10-2016 07:42 PM
Quote:
Originally Posted by /Angelo350Z/ (Post 3455880)
Ark GT-S
http://i1043.photobucket.com/albums/...psmvbdsykb.jpg

I recently switched from Swift to Ark GT-S springs. I loved the Swift springs, they just didn't lower the car enough for me. The Ark GT-S springs, on the other hand, just gives the Z a more menacing stance. With that said, my car's too low that I managed to destroy the front aero diffuser, left and right air guides, as well as bend both of my FI canisters in 48 hours. My car can literally scrape on a burrito. I'm switching to coilovers.
I want your wheels. :p

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Kraken370 04-11-2016 05:32 PM
I get my gt-f springs put on this friday. I'll try to get a before and after pic of my base 370z since no one else did on here.

Orionx1 04-14-2016 02:56 PM
Lowering Springs for Nismo
 
Hey guys, a have a couple questions for those that have installed lowering springs on their Nismo. I have an 09 Nismo and I love the way it rides and handles, but I want to close the tire to fender gap by about an inch, front and back without changing the ride / handling too much. So with that in mind, and based on the spring specs in “Trips” post, it seems the Eibach Pro or Tien springs would be the way to go (?) – due to the similar spring rates.
I understand that the Nismo stock ride height is about half an inch lower than base or sport models. Should I then assume that a 1” drop spring will result in a half inch drop for the Nismo due to its “pre-lowered” state(?)

Any positive or negative feedback from other Nismo owners with spring kits, ride / handling, general drivability etc would be greatly appreciated.

FLUJOKE 04-14-2016 05:13 PM
I don't have a Nismo but what I do know is check and make sure they removed allllll the buffer shocks around your springs from shipping. Get under there and feel around. Just might get some free lowering. Lol also swift are the best hands down. You will scrape no matter how careful you are. Always remember that


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/Angelo350Z/ 04-14-2016 06:23 PM
Quote:
Originally Posted by FLUJOKE (Post 3459569)
I don't have a Nismo but what I do know is check and make sure they removed allllll the buffer shocks around your springs from shipping. Get under there and feel around. Just might get some free lowering. Lol also swift are the best hands down. You will scrape no matter how careful you are. Always remember that


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I've had Swifts and Ark on the 370Z. Swifts are great, but certainly not the best. The best is what gives the perfect drop for the owner, considering 90% of drop spring customers don't worry about track use. If they did, they'd be getting coilovers. With that said, Swifts just don't drop the car enough. Ark GT-S on the other hand, drops it too much--for me at least. Aside from making the car scrape everywhere, Ark GT-S springs are less squeaky. Let's face it, it's easy to say a set of springs are great and comfortable when the drop is barely noticeable.

FLUJOKE 04-14-2016 09:07 PM
I'm just saying they're better bc u don't have to worry about scrapping on a burrito if you're on swifts.


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/Angelo350Z/ 05-03-2016 04:03 PM
Quote:
Originally Posted by FLUJOKE (Post 3459773)
I'm just saying they're better bc u don't have to worry about scrapping on a burrito if you're on swifts.


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I must admit, you're right. I wish Eibach made Sportlines for our cars though.

Crucified 06-11-2016 12:28 AM
New guy here looking for a list of additional components to do this right. Control arms etc? I just came over from the mini truck scene, more accustomed to airbags and fabricating than "tuners". This will take some time but my new Z is making it E-Z to be inspired.:tup:

Z-Girl 12 06-26-2016 08:15 PM
Quote:
Originally Posted by Orionx1 (Post 3459448)
Hey guys, a have a couple questions for those that have installed lowering springs on their Nismo. I have an 09 Nismo and I love the way it rides and handles, but I want to close the tire to fender gap by about an inch, front and back without changing the ride / handling too much. So with that in mind, and based on the spring specs in “Trips” post, it seems the Eibach Pro or Tien springs would be the way to go (?) – due to the similar spring rates.
I understand that the Nismo stock ride height is about half an inch lower than base or sport models. Should I then assume that a 1” drop spring will result in a half inch drop for the Nismo due to its “pre-lowered” state(?)

Any positive or negative feedback from other Nismo owners with spring kits, ride / handling, general drivability etc would be greatly appreciated.
Just dropped my Nismo on swifts at the recommendation of trusted forum members. The drop is perfect. Zero regrets and amazing drives like stock. I also added rear camber kit and spacers all around. Now onto HFC's, intake and tune!!!

JC-Nismo 06-27-2016 10:48 PM
Quote:
Originally Posted by Z-Girl 12 (Post 3505575)
Just dropped my Nismo on swifts at the recommendation of trusted forum members. The drop is perfect. Zero regrets and amazing drives like stock. I also added rear camber kit and spacers all around. Now onto HFC's, intake and tune!!!
:pics:
You know I gotta ask, LOL.

Z-Girl 12 06-28-2016 10:43 AM
Quote:
Originally Posted by JC-Nismo (Post 3506343)
:pics:
You know I gotta ask, LOL.
Ha!!! My pic taking completely sucks so this Sunday I have a guy coming to hook it up:tiphat:

Bshields22 07-13-2016 03:47 PM
How does lowering springs on stock setup effect camber, toe etc?

FLUJOKE 07-13-2016 03:48 PM
Yes


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osbornsm 07-13-2016 04:46 PM
Quote:
Originally Posted by Bshields22 (Post 3516270)
How does lowering springs on stock setup effect camber, toe etc?
Lowering the car with just springs and no other adjustment will increase toe and camber outside of acceptable levels. I. E. Wear the sh*t out of your tires.

Bshields22 07-13-2016 06:26 PM
So what should you couple your spring kits with to get camber back to where it should be? online is saying some alignment kits...thought?

Second question: do coilovers cause the same issues? How do you ensure the right camber after install

Hotrodz 07-13-2016 06:38 PM
With springs, get spl camber arms and spc toe bolts...coil overs you may need front A arms and if you track it is a must. I have both and my alignment guy love them and me too!

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Bshields22 07-13-2016 07:24 PM
Quote:
Originally Posted by Hotrodz (Post 3516374)
With springs, get spl camber arms and spc toe bolts...coil overs you may need front A arms and if you track it is a must. I have both and my alignment guy love them and me too!

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Good info! Thank you sir!

Hotrodz 07-13-2016 08:15 PM
You are welcome!:tup:

old guy 01-18-2017 03:38 PM
After reading through ( skimming ) all the posts ..... Has anyone just lowered the rear of the car?
Looking at my all stock Z, it looks as if I lowered it an inch the stance would be perfect.

Thoughts, comments.....

King 01-24-2017 12:34 AM
Quote:
Originally Posted by old guy (Post 3604632)
After reading through ( skimming ) all the posts ..... Has anyone just lowered the rear of the car?
Looking at my all stock Z, it looks as if I lowered it an inch the stance would be perfect.

Thoughts, comments.....
I bought my z used, I was staring at it sunday thinking about lowering it, and I noticed my rear actually looked as if it had been lowered. There is definitely less wheel clearance in the rear than the front, and it appears to have a visible negative camber, on the rear.

This might explain some of the odd handling behavior I have been noticing. It was raining though so I didn't get down to inspect it.

jchammond 01-24-2017 02:53 AM
Quote:
Originally Posted by King (Post 3606850)
I bought my z used, I was staring at it sunday thinking about lowering it, and I noticed my rear actually looked as if it had been lowered. There is definitely less wheel clearance in the rear than the front, and it appears to have a visible negative camber, on the rear.

This might explain some of the odd handling behavior I have been noticing. It was raining though so I didn't get down to inspect it.
From the factory; Z's have twice the negative camber on rear vs. front.
They also have twice as much positive toe.
19 gallon fuel cell will affect the height difference in rear-pending how much you have on.
Hope this help's.
ps: be sure the surface is perfectly level & flat...as with the independent everything;will make a difference on measurement's.

shadow85 03-27-2017 07:23 AM
Hey fellas can I have some opinions on Eibach vs H&R vs Swift springs.

Currently I can get new Eibach springs for $230 USD locally in Australia. I would get Swift springs, but I would have to order them from the US $314 USD plus shipping to here which won't be cheap.

Is it worth if or should I get the Eibachs here and call it a day?

Cheers.

cooltoy 03-27-2017 08:39 AM
They each have a different amount of drop and spring rates.

shadow85 03-27-2017 01:16 PM
Yep I know the Swifts drop 1
~1.2" on the front and the Eibach ~0.9".

Performance wise, should I fork out the extra $ for the swifts, or since I can get the Eibachs cheaper locally go for that one?

Chuck33079 03-27-2017 01:29 PM
Whichever you do, budget for camber arms and toe bolts.

cooltoy 03-27-2017 04:01 PM
Spring rates will affect the type of ride quality you will have. Otherwise they all reputable companies.

shadow85 03-27-2017 04:20 PM
Quote:
Originally Posted by Chuck33079 (Post 3632898)
Whichever you do, budget for camber arms and toe bolts.
My mechanic said I should lower the car to camber the wheels in slightly more, but he did not mention to get camber arms while I am at it. What will I need the camber arms for?

Chuck33079 03-27-2017 04:39 PM
Quote:
Originally Posted by shadow85 (Post 3632970)
My mechanic said I should lower the car to camber the wheels in slightly more, but he did not mention to get camber arms while I am at it. What will I need the camber arms for?


You will have issues getting it aligned. Oem does not allow adjustment. Buy camber arms and toe bolts or spend a lot more in tires.

shadow85 03-27-2017 10:18 PM
Ok so I am going to grab the eibachs as I can get it cheap here. And eibach alighnment kit.

cooltoy 03-27-2017 10:29 PM
Fyi

Quote:
Originally Posted by zbrah (Post 2462727)
the swifts are specifically designed to work with your oem struts so they won't put much more stress than oem spring. I've had an og member telling me he is still running on his oe shocks 2 years after the swift installed, even with the occasional hard driving on the track. About 90% of the owners here use swift spring, and for good reason.
Quote:
Originally Posted by trips (Post 2488761)
yes.

Remember that the more of a drop the shorter the shock life when it comes to lowering springs.
So you may be saving money on the springs, but might end up spending it on the shocks eventually.

shadow85 03-28-2017 03:41 AM
But the Eibach has a less drop than the Swifts and also has a closer load rating to OEM.

Read somewhere that it is better to keep load rating closer to OEM. Not sure if that is true.

Chuck33079 03-28-2017 06:57 AM
Quote:
Originally Posted by shadow85 (Post 3633155)
Ok so I am going to grab the eibachs as I can get it cheap here. And eibach alighnment kit.
Isn't that kit just toe bolts? Make sure you get the arms as well if they're not included.


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