se-r suspension on 2.5?

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Kouks
Posts: 763
Joined: Mon Apr 18, 2005 12:32 pm
Car: 1996 Nissan 240sx S14 Sr20det
Location: Jacksonville FL

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I know it will fit, but how will it affect the ride height...

also spring rate of se-r springs compared to the 4 cyl....

thanks for any input.


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ZeroR
Posts: 11
Joined: Mon Jan 12, 2009 10:13 am

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Are you sure it will fit? Wait! Are you talking about 3rd gen Altimas?

I wanted to know for sure if the 07+ 3.5SE suspension (struts/shocks and springs) could fit on my 08 2.5S. I asked this before but all I got were "should fit" and "maybe" but with no actual proof. If you know for sure that the SE-R suspension will fit the 2.5, maybe you'll know the answer for my question.

Thanks

Kouks
Posts: 763
Joined: Mon Apr 18, 2005 12:32 pm
Car: 1996 Nissan 240sx S14 Sr20det
Location: Jacksonville FL

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OF course it will fit. Shock spring strut design is identical. The differences rely on the differences in dampening in the shock/strut and the height/spring rate differences between the 4 cyl. and v6 models.

I cannot tell you what it will do to the ride height and what the spring rate difference is. If you can find the differences in weight between the 4 cyl and v6 models up front, you can figure out how much it will affect it.

My problem is the 3rd gen. models. I have acquired a se-r suspension for really cheap(50 bucks for all 4) with less than 5k miles on them. I would like to at least put the shocks/struts on my car which are built more for higher spring rates and travel of a lowering spring than a stock 2.5 shock. I cannot find the spring rate for the se-r altima, and the weight difference between the two motors. Any help?

saywat
Posts: 239
Joined: Wed Apr 09, 2008 4:46 pm

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i would guess that the ride height will end up either the same or a tad higher b/c the suspension is built according to the weight different in both cars..i got stechs on my 2.5 and ive seen 3.5s with stechs and the drop is lower...btw tien makes 1 spring set for both cars..so thats my logic

AkAd3MiKs
Posts: 292
Joined: Mon Dec 03, 2007 8:05 pm
Car: 08 Altima Coupe Pearl_White

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yo Zero...you wanna try it?? If it works let us know man.

Kouks
Posts: 763
Joined: Mon Apr 18, 2005 12:32 pm
Car: 1996 Nissan 240sx S14 Sr20det
Location: Jacksonville FL

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what I wanna know is what are you hoping to accomplish by switching the suspension?

Does anyone know the spring rate of the 05-06 SER suspension? Still no answer you thread jackers!

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ZeroR
Posts: 11
Joined: Mon Jan 12, 2009 10:13 am

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Kouks wrote:OF course it will fit. Shock spring strut design is identical. The differences rely on the differences in dampening in the shock/strut and the height/spring rate differences between the 4 cyl. and v6 models.

I cannot tell you what it will do to the ride height and what the spring rate difference is. If you can find the differences in weight between the 4 cyl and v6 models up front, you can figure out how much it will affect it.

My problem is the 3rd gen. models. I have acquired a se-r suspension for really cheap(50 bucks for all 4) with less than 5k miles on them. I would like to at least put the shocks/struts on my car which are built more for higher spring rates and travel of a lowering spring than a stock 2.5 shock. I cannot find the spring rate for the se-r altima, and the weight difference between the two motors. Any help?
Thanks for the info! I am planning to do exactly what you are trying to do - use the struts/shocks from the V6 and use lowering springs for the 4cyl. I was actually going to try and get the full strut/shock and spring setup from the 3.5SE so I could have the sportier suspension without lowering the car (making a 2.5SE model, if you will), but I found a deal on an Eibach Prokit for the 2.5. So now I am looking to get just the struts and shocks for the 3.5SE.

Since you've acquired the SE-R suspension, it would be easier to get the information yourself. First measure the ride height you have now, then again after the install of the SE-R setup. Compare the two to get the difference, if any. Then you could decide if swapping the springs is beneficial or not. Of course, you could then post/share your findings here

Kouks
Posts: 763
Joined: Mon Apr 18, 2005 12:32 pm
Car: 1996 Nissan 240sx S14 Sr20det
Location: Jacksonville FL

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The altima with the maxima wheels and tires( they are 18x7.5 w/ +40 offset.) the tires are 245/45/r18 and the rear space is a finger or two max between tire and fenderwell.

Due to the offset and obviously rim and tire width, the tire is flush with the rear fender and could not safely be lowered in the rear without fender rolling, which I am not doing on my GF car. The front however is a fist sized gap and not as attractive as the rear. (Reminds me of some girls Ive seen. ha!)

My biggest problem relies on keeping the cars weight distribution and handling characteristics in line with a sports sedan nature. At least thats what im building towards. If I knew the spring rate, i can compare to different lowering spring companies and even some physics calculations on theoretical handling characteristics of what im going after.

If I have to just lower the front a little bit with lowering springs and can use the stock se-r rear springs to achieve the balance of looks and handling that im after, thats what Ill do.

BTW, I was at work today( I work at nissan as a tech) and compared 2 altimas of the same trim level(both third gens) and the weight difference of the GVWR was 170 lbs. everything else being identical(besides rim and tires obviously) you could safely assume app. 150lbs of difference up front between the two. if spring rate and spring height were identical, a 4 cyl should sit about .5-.75 of an inch higher than a 6 cyl. model.

saywat
Posts: 239
Joined: Wed Apr 09, 2008 4:46 pm

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if u are a nissan tech and such why cant u get that answer ur looking for urself? dont u guys have resources to that kind of info?

Kouks
Posts: 763
Joined: Mon Apr 18, 2005 12:32 pm
Car: 1996 Nissan 240sx S14 Sr20det
Location: Jacksonville FL

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To say it shortly, since I wrote a very lengthy explanation last time and my internet explorer closed and deleted it, is no. Our online service manual and parts catalogue have no need for specs like that.


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