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Nissan 370Z Forum (http://www.the370z.com/)
-   Brakes & Suspension (http://www.the370z.com/brakes-suspension/)
-   -   Doran Racing NISMO RC suspension parts (http://www.the370z.com/brakes-suspension/54803-doran-racing-nismo-rc-suspension-parts.html)

sig11 10-09-2012 08:23 AM
Quote:
Originally Posted by Dwnshift (Post 1951660)
Chrisslicks
When is mid Ohio?
Are you going and where are you coming from?
I don't think I've been very successful in talking him into coming down for it. :) I expect to be there Sat-Sun 10/27-10/28 with 3Balls Racing. I'll be coming from Detroit.

ChrisSlicks 10-09-2012 08:34 AM
Quote:
Originally Posted by Dwnshift (Post 1951660)
Chrisslicks
When is mid Ohio?
Are you going and where are you coming from?
It's a 2-day weekend event at the end of the Oct (27, 28).

I'm going to decide after this weekend. The only thing stopping me is that it is 720 miles and 12-13 hours from Boston which is a long way to tow a trailer. At a certain point I start to question my sanity when I spend more time in the truck than I do in the car :)

cavemancan 10-09-2012 05:15 PM
Quote:
Originally Posted by Dwnshift (Post 1743628)

Here is a little tid bit for ya to stew on....
We just went through the entire car and replaced all the OEM rubber bushings with our own delrin and Al. versions.
When we took the car apart... we didn't touch the springs.... keeping the ride height where it was..
Once we installed our new bushings ... And reinstalled the ASTs with springs... The ride height had dropped 2.5"......they (oem bushings) create that much bind.
The OEM rubber bushings are evil in all sorts of ways on this car.
Our suspension now is like butter without load on it.
I cannot wait for next week .... It's going to be a whole new car in Sooooooo many ways.
;)
Dwnshift
I hope I am not misunderstanding this...Are you saying a bushing change dropped ride height 2.5 inches? If this is the case what happens to those running on Swift springs and Koni Yellows? Just curious cause I may want to do this.

jujubii 10-09-2012 05:29 PM
Quote:
Originally Posted by cavemancan (Post 1952745)
I hope I am not misunderstanding this...Are you saying a bushing change dropped ride height 2.5 inches? If this is the case what happens to those running on Swift springs and Koni Yellows? Just curious cause I may want to do this.
from my understanding, this phenomena is normal when upgrading from rubber bushings and coilovers are usually the solution to this. if that's not an option, im not sure what else can be done.

Dwnshift 10-09-2012 09:48 PM
For all intense purposes yes.
There was that much bind in the OEM bushings that it was helping support the car.

TopElement 10-10-2012 01:49 AM
Quote:
Originally Posted by Dwnshift (Post 1953107)
For all intense purposes yes.
There was that much bind in the OEM bushings that it was helping support the car.
Not sure how that's possible, as all bushings are supposed to be installed/tightened at ride height, and come like that from the factory.
If they're installed with the suspension at full droop then they'll be raising the car a little, but that would put the bushings under twisiting stress at all times and wear them out prematurely.

Dwnshift 10-10-2012 08:50 AM
Just telling it how it is or was on our car.
On paper no bind with rubber bushings installed at factory ride height sounds great.
But in the reality.... It's not how it is or was when we removed all the oem bushings...especially on the rear on the car.

cavemancan 10-10-2012 09:23 AM
Quote:
Originally Posted by Dwnshift (Post 1953564)
Just telling it how it is or was on our car.
On paper no bind with rubber bushings installed at factory ride height sounds great.
But in the reality.... It's not how it is or was when we removed all the oem bushings...especially on the rear on the car.
If this is the case what happens to those running on Swift springs and Koni Yellows? Would the car then be "Slammed"? I would hate for this to happen. I assume I would need to contact Swift to have a special spring made to accomodate this?

ChrisSlicks 10-10-2012 09:43 AM
Quote:
Originally Posted by cavemancan (Post 1953683)
If this is the case what happens to those running on Swift springs and Koni Yellows? Would the car then be "Slammed"? I would hate for this to happen. I assume I would need to contact Swift to have a special spring made to accomodate this?
If you are at near factory ride height I don't think there is significant bind, the issue is when you attempt to lower the car significantly then the bushings start to bind up since the angle of the arms is longer as originally designed. I don't think the swifts drop the car enough to create significant bind.

ZMan8 10-10-2012 09:43 AM
Quote:
Originally Posted by cavemancan (Post 1953683)
If this is the case what happens to those running on Swift springs and Koni Yellows? Would the car then be "Slammed"? I would hate for this to happen. I assume I would need to contact Swift to have a special spring made to accomodate this?
you will probably need coilovers.

Sent from my SAMSUNG-SGH-I897 using Tapatalk 2

cavemancan 10-10-2012 10:26 AM
Quote:
Originally Posted by ChrisSlicks (Post 1953745)
If you are at near factory ride height I don't think there is significant bind, the issue is when you attempt to lower the car significantly then the bushings start to bind up since the angle of the arms is longer as originally designed. I don't think the swifts drop the car enough to create significant bind.
But he stated that changing the bushings alone at stock ride height caused a 2.5 inch drop. Now introduce Swift springs with Koni's into that equation I'm going to have to agree with Zman8...Coilovers :icon14:

ChrisSlicks 10-10-2012 11:15 AM
Quote:
Originally Posted by cavemancan (Post 1953927)
But he stated that changing the bushings alone at stock ride height caused a 2.5 inch drop. Now introduce Swift springs with Koni's into that equation I'm going to have to agree with Zman8...Coilovers :icon14:
Yes but the car was already lowered significantly before they started, on a street car I don't think this would happen. Plus not sure that I would put solid and delrin bushings on a street car, that would be pretty weird. For a track focused car, hell yeah - and yes add good coilovers.

Dwnshift 10-10-2012 12:57 PM
If your asking me : if you replaced all the oem rubber bushings with a proper delrin and or spherical kit.... And then installed a standard "lowering" spring ...In my opinion ...would it lower the car more than the typical drop ... when only the "lowering springs were installed"....
Then my answer is YES.
How much lower..... No idea.

jujubii 10-10-2012 01:01 PM
Quote:
Originally Posted by Dwnshift (Post 1954288)
If your asking me : if you replaced all the oem rubber bushings with a proper delrin and or spherical kit.... And then installed a standard "lowering" spring ...In my opinion ...would it lower the car more than the typical drop ... when only the "lowering springs were installed"....
Then my answer is YES.
How much lower..... No idea.
where did you go spherical and where did you go delrin, if you dont mind me asking :)

Fishey 10-10-2012 03:09 PM
Quote:
Originally Posted by ChrisSlicks (Post 1954074)
Yes but the car was already lowered significantly before they started, on a street car I don't think this would happen. Plus not sure that I would put solid and delrin bushings on a street car, that would be pretty weird. For a track focused car, hell yeah - and yes add good coilovers.
No idea what stock ride height is but they are allowed to be 3" or maybe 3.5" at the lowest point on the car in GS if my memory is correct. I am sure they run at the absolute limit of being "legal". I have no idea what stock ride height is but I don't think this is that significant of a lowering but maybe I am wrong.


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