Official Suspension Thread

Forum for Infiniti M35 and M45, and Nissan Fuga owners.
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Ilya
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Official Suspension Thread

Postby Ilya » Fri Jul 30, 2010 11:56 am

Hey everyone.

So, I've seen a lot of various products being discussed as far as the suspension is concerned. Be it springs, coilovers, etc.

I have a question, and I hope this will kick off a concise and to the point thread regarding suspension setups on our cars so new members can search one thread, instead of the entire forum, for answers.

I am coming from a 99 Nissan Maxima which was dropped 1.4 and 1.3" on Tokico Illumina Struts and H&R Springs. On the Maxima, it wasn't recommended dropping the car on the stock struts. Also, the ride was very similar to stock. Not much difference between my drop and my stock SE feel. That being said:

Please use this format:

Car Model: M35, M35x, M45, etc.?
Struts and Springs: Stock? After market? Coilovers? Are you running on stock struts? Include the measurements of the drop (from the companys site or whatever) such as 1.4"
Tire/Wheel Dimensions: Rubbing after drop?
Ride Quality Stock: 1-10
Ride Quality Dropped: 1-10
Other Information: Did you have to buy things to adjust camber, etc.
Pictures:

Basically, what I am trying to accomplish on my own car is what I accomplished on the Maxima. OEM/Stock like feel, but the look of a dropped car (not too much). I wanna run 19" or 20" wheels eventually, but being AWD, I don't want to have crazy wheel gap. I also would rather not spend $2000+ on a coilover setup if I can accomplish what I'm looking for with a $300 set of springs.

Also, see this link for Coilovers vs Springs discussion - Coilovers vs Springs
Last edited by Ilya on Mon Nov 15, 2010 10:57 am, edited 4 times in total.


rgb129
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Re: Official Suspension Thread

Postby rgb129 » Fri Jul 30, 2010 12:51 pm

Car Model: M35x
Struts and Springs: K Sport coilovers
Tire/Wheel Dimensions: 20x8.5 +35mm 255/35
Ride Quality Dropped: 7 (a little bumpy, but the car handles and steers much better)
Pictures:


Image

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djpeak10
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Re: Official Suspension Thread

Postby djpeak10 » Fri Jul 30, 2010 1:42 pm

2007 M35 Sport
Eibach lovering kit 1.6 front and 1.0 in the back
Using stock struts. If stock setup is a 10 then the Eibachs are a 9
Stock 19's no rubbing whatsoever.
Camber in rear to spec, and front almost in spec

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Eibachs for the record! Can't beat the ride and the look IMO.^^^^^^^^^^

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Ilya
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Re: Official Suspension Thread

Postby Ilya » Thu Aug 12, 2010 10:26 pm

Bump. Anyone else?

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mexillis
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Re: Official Suspension Thread

Postby mexillis » Fri Aug 13, 2010 9:31 am

Car Model: 06 M45 sport
Struts and Springs: stock struts and eibach springs 1.6"F 1.0"R
Tire/Wheel Dimensions: Stock 19"s, G37s 19"s and Mrr Gt1 18x8.5 with 35+ offset, No rubbing with either set up
Ride Quality Stock: Dont remember
Ride Quality Dropped: 10 in my book
Other Information: increased handling & better stance only downfall is my location: MD, bad roads=hitting F sway bar and with kenstyle bodykit front bumper scraping on steep incline/declines and big speed bumps. Able to align within specs and no increased camber wear on 3 diff. sets of tires.


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Ilya
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Re: Official Suspension Thread

Postby Ilya » Fri Aug 13, 2010 10:12 am

So seems like I'd be okay with Eibachs...

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Re: Official Suspension Thread

Postby DoN_BLaZe34 » Fri Aug 13, 2010 10:43 am

that 1.6 drop in the front with the eibach scares me but no one is reporting any issues...hmmm

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Ilya
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Re: Official Suspension Thread

Postby Ilya » Fri Aug 13, 2010 11:35 am

Well, it shouldn't be too bad. I dropped my Maxima (which is lower than the M to begin with) 1.4 and 1.3 and I had no issues anywhere really. And I was on 18's. I didn't have problems on my stock 16's either.

I'm more concerned with the ride/alignment specs. I'm not worried about the lowness or look.

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Re: Official Suspension Thread

Postby DoN_BLaZe34 » Fri Aug 13, 2010 11:54 am

I had my MIllenia on eibachs with the similiar drop. Like you, I'm also worried about the ride and alignment specs. 1.6 is a "harsher" drop then 1.4 ya know? Granted not by much, but still

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homeblue90
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Re: Official Suspension Thread

Postby homeblue90 » Fri Aug 13, 2010 12:06 pm

Car Model: M45 sport
Struts and Springs: Tein Flex coilovers 2" drop
Tire/Wheel Dimensions: 19" Iforged staggered (no rubbing)
Ride Quality Stock: 6
Ride Quality Dropped: 9 (bottoms out and keep hitting sway bar)
Other Information: Eibach pro alignment kit made by SPC
Misc. G37 BBK

Pictures:
Image

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Ilya
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Re: Official Suspension Thread

Postby Ilya » Fri Aug 13, 2010 1:57 pm

Guys...it's not really possible to go UP in ride quality. Meaning, the suspension won't get softer/more comfortable. Keyword is ride QUALITY, not ride handling.

I'm not looking for handling scores. I'm looking for scores of stock softness relative to dropped softness.

Unless you guys swear that the drop springs make for a softer ride than stock (which is VERY hard to believe).

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Re: Official Suspension Thread

Postby m-licious » Sat Aug 14, 2010 1:05 am

you can search my previous post about eibach vs Htechs vs stock for details.
short version
eibach- not significantly different ride than stock with regards to comfort. looks a million times better. bottomed out easily. could NOT align to stock specs. I still have no idea how others are able to do it. i'd love ideas as if i could into spec and also not scrape, this would be my spring of choice.

tein Htechs- they are lower than stock so appearance is better. i don't think the ride is palpably different. bottoming out is fairly rare but does happen from time to time.

keep in mind that you can't compare stock ride heights and what changes will occur when dropped between 2 different cars as geometry (most notably the angle of approach) is different between cars and therefore front lip scraping will be different. the actual suspension parts will also be different in their configuration so whereas you can slam an old civic or integra, the same drop may have you lose your sway bar on your M. although, judging by how low some guys on airbags go, it does seem to tolerate a lot.

Noel J
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Re: Official Suspension Thread

Postby Noel J » Sat Aug 14, 2010 6:05 pm

If you want your car to have a stock feel with a lower stance, you may want to look into the Espelir springs from Burtman Industries. It is designed to ride with the stock strut, so the strut-life should not be a concern. The drop is pretty decent - you may want to search and check out pics from other users. I haven't purchased these springs yet, because of the price, but many people say it is the way to go especially with AWD.

They say it is about 5% stiffer on cornering as well.

Good luck!

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Re: Official Suspension Thread

Postby bicsintegra » Mon Aug 16, 2010 8:59 pm

Car Model: M35,
Struts and Springs: struts = Stock? springs = eibach pro kit drop = 1.6" rear 1.2" front approx.
Tire/Wheel Dimensions: 19" X 8.5" no rubbing
Ride Quality Stock: 10
Ride Quality Dropped: 9.5
Other Information: camber kit is coming but i will most likely get the aero kit first since my M is the 3rd driver for the family
Pictures: finally-done-t500726.html

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Re: Official Suspension Thread

Postby Ilya » Wed Aug 18, 2010 7:38 pm

Noel J wrote:If you want your car to have a stock feel with a lower stance, you may want to look into the Espelir springs from Burtman Industries. It is designed to ride with the stock strut, so the strut-life should not be a concern. The drop is pretty decent - you may want to search and check out pics from other users. I haven't purchased these springs yet, because of the price, but many people say it is the way to go especially with AWD.

They say it is about 5% stiffer on cornering as well.

Good luck!
Thank you. I am leaning towards these.

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Re: Official Suspension Thread

Postby SunLitSandMax00SE » Fri Aug 20, 2010 2:31 pm

Car Model: M35,
Struts and Springs: Struts = Stock. Springs = TEIN S TECH = 1.2" rear 1.8" front approx.
Tire/Wheel Dimensions: 20" FX wheels w/ 235 tires
Ride Quality Stock: 10
Ride Quality Dropped: 8
Image

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mexillis
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Re: Official Suspension Thread

Postby mexillis » Fri Aug 20, 2010 2:37 pm

i dont get why the s techs dont look as low as the eibach's????? Car looks good either way sunlit......

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Re: Official Suspension Thread

Postby SunLitSandMax00SE » Fri Aug 20, 2010 2:53 pm

mexillis wrote:i dont get why the s techs dont look as low as the eibach's????? Car looks good either way sunlit......
Thanks and same to you. Yeah, I was looking at yours as well which looks lower than mine, but they are rated at 1.8/1.2. Also, that picture was a few days after IIRC and now, the fronts are under the wheel well and th rears are even with it I believe.

Edit* Here it is a few months ago. Forgot about these pix.
Image


Image

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Re: Official Suspension Thread

Postby gibz4 » Fri Sep 03, 2010 8:36 pm

SunLitSandMax00SE wrote:Car Model: M35,
Struts and Springs: Struts = Stock. Springs = TEIN S TECH = 1.2" rear 1.8" front approx.
Tire/Wheel Dimensions: 20" FX wheels w/ 235 tires
Ride Quality Stock: 10
Ride Quality Dropped: 8
Image

What series size are your tires on the 20's? 35 or 40?

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Re: Official Suspension Thread

Postby Ilya » Wed Nov 24, 2010 6:42 pm

This info was submitted to me by 06M4.5:

Car Model: 2006 M45
Struts and Springs: Tein H-Tech (for the M35 model) at 1.2" Front and .50" Rear
Tire/Wheel Dimensions: OEM 18" M35 wheels
Ride Quality Stock: See next post
Ride Quality Dropped: See next post
Other Information: The car has camber bolts installed and has been aligned
Pictures:

Image

Image


Here is a pictures of the camber bolts:

Image

And the sleeve bushing being drilled:

Image
Last edited by Ilya on Thu Nov 25, 2010 12:35 am, edited 1 time in total.

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Re: Official Suspension Thread

Postby 06M4.5 » Wed Nov 24, 2010 11:03 pm

Thanks Ilyakol

Ride Quality Stock: 10
Ride Quality Dropped: 9

The car being drop with the Tein rides better but over small bumps and pot holes it's a hair stiffer. On the highway you get less of that boat feeling or that Buick ride. My wife and 2 girls couldn't tell that the car was stiffer which was a big plus for me.

It's perfect for those like me that need the car as a daily driver or family car. Having 4 or 5 people in the car with stuff in the trunk is not a problem.

The car now sits on the stock oem 18" wheels and has a 1 finger gap between the tire & the fender lip at all 4 corners. She'll be getting new 20" wheels & tires this coming April.

For those that would like a stiffer ride I would tell them to install the oem sport strut/shocks.

Would I do it again? yes because the Eibach's are to low for what I need the car to do.

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Re: Official Suspension Thread

Postby Ilya » Thu Nov 25, 2010 12:35 am

06M4.5 wrote:Thanks Ilyakol

Ride Quality Stock: 10
Ride Quality Dropped: 9

The car being drop with the Tein rides better but over small bumps and pot holes it's a hair stiffer. On the highway you get less of that boat feeling or that Buick ride. My wife and 2 girls couldn't tell that the car was stiffer which was a big plus for me.

It's perfect for those like me that need the car as a daily driver or family car. Having 4 or 5 people in the car with stuff in the trunk is not a problem.

The car now sits on the stock oem 18" wheels and has a 1 finger gap between the tire & the fender lip at all 4 corners. She'll be getting new 20" wheels & tires this coming April.

For those that would like a stiffer ride I would tell them to install the oem sport strut/shocks.

Would I do it again? yes because the Eibach's are to low for what I need the car to do.
Thanks!

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Re: Official Suspension Thread

Postby bbs350z » Sun Nov 28, 2010 4:37 pm

just to clarify, the s techs and eibachs can be swapped between the rwd and awd m's correct??

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Re: Official Suspension Thread

Postby 06M4.5 » Sun Nov 28, 2010 9:14 pm

I did the Tein H-Tech on my 2006 M45 1.2" front & .50" rear.

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Re: Official Suspension Thread

Postby svard75 » Mon Nov 29, 2010 4:50 am

Unless I missed something IlyaKol is looking for an option for the M35x AWD. I thought the only option for the AWD M's was K-Sports coilover kit?

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Re: Official Suspension Thread

Postby 06M4.5 » Mon Nov 29, 2010 5:29 am

Espelir Lowering Springs M35X/M45X SPECIFIC

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svard75
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Re: Official Suspension Thread

Postby svard75 » Mon Nov 29, 2010 6:23 am

06M4.5 wrote:Espelir Lowering Springs M35X/M45X SPECIFIC
Cool do you mind posting the link? I went to their website and didn't see the Infiniti M35x/M45x in the list just the G's.

M

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Re: Official Suspension Thread

Postby 06M4.5 » Mon Nov 29, 2010 6:34 am


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SIK L
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Re: Official Suspension Thread

Postby SIK L » Wed Dec 08, 2010 9:13 pm

IlyaKol wrote:Here is a pictures of the camber bolts:

Image

And the sleeve bushing being drilled:

Image
Where can the camber bolts be ordered from, and roughly what is the cost?

Also, what is the purpose of picture number 2?

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Re: Official Suspension Thread

Postby 06M4.5 » Wed Dec 08, 2010 9:51 pm

the information is on the card next to the bolts in the pic.

price is $150 shipped.


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