If I replace my stock springs and struts with '05 350Z springs and Tokico HP's will it require a camber kit and how much will my ride suffer?

If it makes any difference the G35 is a coupe.

 

it depends... Ride will be stiffer and corning and handling will improve dramatically. as for camber it depends if you want to. My rear is within spec and my front is off just a little bit. I don't have any tire wear issues at all.

I have an 04 sedan

 

You probably don't need a camber kit with a mild 1" drop, and the ride will be stiffer/same depending on what you're coming from. Have you read this:


https://g35driver.com/forums/brakes-...w-updates.html


Higher spring rates indicate a stiffer ride.

 

I am coming from an 04 OEM suspension and fully expect a firmer ride with improved handling but don't want the bounce and desire to dodge every crack in the road. I was also hoping that with a mild drop it would not require the camber kits.

 

^ If that is a nonsport G35, then your spring rates will go up from 283/308 to 314/342 and will be noticeably stiffer than what you'd be used to. Also, you'd probably want to upgrade to 350z shocks/g35 sport shocks at the same time as even a mild 350z spring drop on nonsport shocks will wear them out faster.


I have a sport version G35, so my spring rates stayed the same when I went to a 350z suspension, although I did notice bumps and dips more Could have just been a placebo effect however.


It will depend on your tolerance, though, when it comes to adjusting to the stiffer 350z springs/suspension. My back could only take it for 1.5 years before I upgraded to coils with dampening adjustment. Maybe I'm just getting too old for this $hit

 

Teofilo,

PNN23 is on point. I just got my H-Tech 350Z springs installed on 8/13/10 and love 'em. After babying the springs for a little while - as recommended right after the install - still trying to be really attentive to the overall handling, but there are truly no surprises.

I've lowered other vehicles and the improvments are as expected. But I did do alot of research to arrive at these springs, and here is some of what I posted on my cardomain page in last 2-3 weeks and months..........hope it helps you and anyone else.

Quite frankly, I think the 350Z H-Techs are the way to go, but that's just me, i.e., wanting to get an overall balance of luxury and sport - while realizing that we drive glorifed 350Z/370Z 2+2s and 350/370 Sedans. (Brilliant idea by Mr. Ghosn, I should add.).

Here's my take:

2006 G35 Coupe Spring Rates w/sport suspension:

FRONT: Same spring rates as stock - 314 lb.
REAR: Spring rate increase of 24% - 427 lb. (from stock 342 #)

So, after doing alot of research and in the interest of 1 and 2:

1) Not wanting to need a camber kit for more than a .8 inch drop to get back to mfg. spec, and

2) Wanting to keep spring rates as close as possible to sport-package or sport-tuned suspension spec.........

My next mod:

TEIN "H-Tech" Peformance Lowering Suspension Springs 03-08 Nissan 350Z

Spring Rate Front: 358 lb./inch

Spring Rate Rear: 375 lb./inch

Ride Height Lowering Front: 350Z - 0.3 inches (7mm) / G35 Coupe .08 inches

Ride Height Lowering Rear: 350Z - 0.2 inches (4mm) / G35 Coupe .07 inches

(Will post pics when I'm done.)

************************************************** ************************************************** ********************

AUGUST 2010:

Had Tein 350Z "H-Tech" Springs installed a few days ago..........pics later.

Alignment went back to within manufacturer's spec or acceptable range,no camber ket needed.

Springs seemed to have settled, and while noticeble to me - especially from behind the wheel, the drop is barely noticeable to the untrained eye.

Whatever.

Bottom Line: Now I have a PROPER sport package, and the lower ride combined with my Rear-Active Steering, the BMW 3 - even this generation - is beatable at all times. No more weaknesses in my setup to exploit. Brang it onnnn!!

Not to mention, I don't know what Nissan-Infiniti engineers were thinking when they decided to only up rear spring rates in the sport-suspension package, but who cares?

Rides better, handles better, accelerates smoother w/less drag (duhh!), no noticeable negatives regarding the different spring rates, etc........yet.

I've heard I may get more body roll, but haven't driven it hard enough to notice.

Again, whatever. I'm good!!

NEXT MODS:

*Tokico HP Blue Shocks/Struts

*SEIBON OEM Carbon Fiber hood (from my research, saves about 20-22 lb. from stock bumper)

*K&N Cold Air Intake & Air Filter

 

It sounds like we are looking for the same thing. I don't want much drop but I would like it to handle and be a little firmer without having to install a camber kit.

My other car is a 3-series with a sport package and I think they hit it right.

Please send photo.

Teofilo

 

Exactly, Teofilo........and your 3-Series sport pack is why, as you've pointed out.

Now, still need to get 'er all cleaned up for some after-pics, but hopefully the before picture below comes out.

But if not, there's a gang of pics here: http://www.cardomain.com/ride/2618714


And as you may notice, with the 20s it's kinda sitting low.....but not quite where it needs be to run with the 3s. You know the score. Close, but no cigar.

Anyway, lets see what happens here:

 

No dice, brother........please check out the cardomain page 'til I can get this figured out.

He gone!

 

Since you have the OEM '04 coupe suspension, you actually have springs that are at 314/342 f/r, so there won't be a dramatic difference to the 05+ 350Z springs, but there will be some difference due to the shorter springs (i.e. slightly lower Center Of Gravity). You can also achieve much of the desired effect with sway bars and stiffer shocks w/better rebound damping. I am running sways and Tokico D-Specs on my OEM '04 springs and the change in handling is pretty significant, without having to lower the car (my steep driveway is an issue for me).

 

Yo Teo............here are your before & after pics:

He gone!

 

So that is H-tech with Tokico's and the alignment was still in spec? I think it looks great.

 

Nah, Teo..........I don't have the Tokico HP Blues yet. But to answer your question, I don't think it matters - installing Tokico Blues - pertaining to alignment.

Maybe with the adjustable Tokico D-specs (same spec, but with adjustability), based on my research, but I could be wrong.

(TO ALL YOU TECHNICALLY SOUND CAR-GUYS: Am I correct? School me. I'm still learning.)

Anyway, T, I plan to get them, maybe in about 6 months. But I'm not really rushing because I know the spring rates have not increased in stiffness to where the upgraded shocks that come with the sport-tuned suspension package will wear out sooner.

(Again, based on my research. What say you, mechanical wizards?)

Only the front spring rates increased, but only by 10-15%..........11% if memory serves me correctly -- 314 to 358.

And I think the rear rates went down approx. 20-25% -427 down to 375.

Below I will copy/paste the research that had me arriving at 350 H-Techs:

2006 G35 Coupe Spring Rates w/sport suspension:
FRONT: Same spring rates as stock - 314 lb.
REAR: Spring rate increase of 24% - 427 lb. (from stock 342 #)

So, after doing alot of research and in the interest of 1 and 2:

1) Not wanting to need a camber kit for more than a .8 inch drop to get back to mfg. spec, and

2) Wanting to keep spring rates as close as possible to sport-package or sport-tuned suspension spec.........

My next mod:

TEIN "H-Tech" Peformance Lowering Suspension Springs 03-08 Nissan 350Z

Spring Rate Front: 358 lb./inch

Spring Rate Rear: 375 lb./inch

Ride Height Lowering Front: 350Z - 0.3 inches (7mm) / G35 Coupe .08 inches

Ride Height Lowering Rear: 350Z - 0.2 inches (4mm) / G35 Coupe .07 inches

(Will post pics when I'm done.)

************************************************** ************************************************** ********************

AUGUST 2010:

Had Tein 350Z "H-Tech" Springs installed a few days ago..........pics later.

Alignment went back to within manufacturer's spec or acceptable range,no camber ket needed.

Springs seemed to have settled, and while noticeble to me - especially from behind the wheel, the drop is barely noticeable to the untrained eye.

Whatever.

Bottom Line: Now I have a PROPER sport package, and the lower ride combined with my Rear-Active Steering, the BMW 3 - even this generation - is beatable at all times. No more weaknesses in my setup to exploit. Brang it onnnn!!

Not to mention, I don't know what Nissan-Infiniti engineers were thinking when they decided to only up rear spring rates in the sport-suspension package, but who cares?

Rides better, handles better, accelerates smoother w/less drag (duhh!), no noticeable negatives regarding the different spring rates, etc........yet.

I've heard I may get more body roll, but haven't driven it hard enough to notice.

Again, whatever. I'm good!!

NEXT MODS:

*Tokico HP Blue Shocks/Struts

*SEIBON OEM Carbon Fiber hood (from my research, saves about 20-22 lb. from stock bumper)

*K&N Cold Air Intake & Air Filter

Later, dude.

 

I was just confirming what I was seeing. The ride height is what I am looking for without having to doing anything other than get it aligned.

I appreciate the help..