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DIY: Cutting Rear Springmount aka "the springmount mod"

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Old Nov 6, 2010 | 08:04 AM
  #61  
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^^^^yes - you will need an alignment UNLESS you marked the eccentric washers..
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Old Nov 6, 2010 | 01:04 PM
  #62  
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Originally Posted by AcidJake75
^^^^yes - you will need an alignment UNLESS you marked the eccentric washers..
well i did but couldnt tighten it down quite enough.....about 1/4 turn off on the passenger side and 1/4-1/2 turn on the drivers side
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Old Jun 1, 2011 | 12:30 PM
  #63  
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so from reading up on this..are u suppose to cut more on the passenger mount and less on the driver..i was gonna do a 3/4" cut..but i wanna make sure it's an even drop on both rears...what's the verdict???
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Old Jun 1, 2011 | 12:49 PM
  #64  
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Originally Posted by D&G35
so from reading up on this..are u suppose to cut more on the passenger mount and less on the driver..i was gonna do a 3/4" cut..but i wanna make sure it's an even drop on both rears...what's the verdict???
For a mod like this ( and basically any mod), take some time and go thru the entire thread to get a better understanding and several opinions before proceeding. You cut both sides evenly. After install, if you find the need to make any adjustments to a side you can do that. I would recommend starting with 1/2inch cut. If you screw up, you are still left with material to trim to perfection
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Old Jun 1, 2011 | 02:51 PM
  #65  
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By doing this the rears should camber in a little correct? I currently have tanabe gf210's on my 07 Z with OEM nismo wheels. Rear still shows a little gap
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Old Jun 1, 2011 | 03:14 PM
  #66  
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Originally Posted by beezee
For a mod like this ( and basically any mod), take some time and go thru the entire thread to get a better understanding and several opinions before proceeding. You cut both sides evenly. After install, if you find the need to make any adjustments to a side you can do that. I would recommend starting with 1/2inch cut. If you screw up, you are still left with material to trim to perfection
i see watcha you're saying but why not just have sumone chime in and let me know how to do it right the FIRST time...that's the reason I'm asking so i don't SCREW up in first place...
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Old Jun 1, 2011 | 03:30 PM
  #67  
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Originally Posted by D&G35
i see watcha you're saying but why not just have sumone chime in and let me know how to do it right the FIRST time...that's the reason I'm asking so i don't SCREW up in first place...
The process is described on the first page. So, do you have the tools described.? Can you do the cutting. That is all there is. The rest is just putting them back. Otherwise I think there is a guy here that can cut them for you for a fee. Once in a while people sell already cut ones.
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Old Jun 1, 2011 | 03:36 PM
  #68  
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I measured from the cender of the hub to the fender on both sides and they were cut accordingly.
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Old Jun 1, 2011 | 04:56 PM
  #69  
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Originally Posted by AdvanZ33
I measured from the cender of the hub to the fender on both sides and they were cut accordingly.
i would've done that measurement already except i'm running aggressive wheels so my rims are poking out..i would cut them the same for both sides except i'm hearing/reading stories of ppl having issues with different ride heights on each side...i'm not sure if it's due to uneven cutting or just the way the sides sit...
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Old Jun 16, 2011 | 08:32 PM
  #70  
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How is the ride with the Koni yellows? I ask because I installed a set of RS*R Ti2000 springs (.6 inch drop), but still using OEM shocks on my 2004.5. I have 42,000 miles on the car. The ride is a bit too stiff. Can you adjust the Koni shocks to get a bit softer ride? I use my car a lot in the city. The RS*R springs have rates of 345 lbs front and 417 lbs rear. The 2004.r OM springs are 314 lbs front and 427 lbs for the rear.
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Old Jun 17, 2011 | 08:05 AM
  #71  
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Yes the Koni yellows are adjustable for compression only, no rebound like you would get with coilovers. I ran on my 350Z Koni yellows with H&R (1.3 &1.0 drop) I do not remember the spring rates, but the ride never was as soft as OEM. Do able though for daily driving with the convience of adjustment for compression with a twist of the wrist for the fronts, backs you would jack up one side and adjust with an allen wrench.

I would suggest doing a search to see if other members have the same combo you are looking at. I personally now have Swift springs on my 370Z with OEM shocks and could not be happier. Still waiting for Koni to come out with a version for the 370Z.
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Old Dec 28, 2011 | 07:21 AM
  #72  
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I wanna do this ASAP. I'm on tanabe gf210s and I'd love to cut down the rear some. I wish someone could put a DIY together of actually taking it off rather than just cutting it.
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Old Dec 28, 2011 | 07:29 AM
  #73  
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Originally Posted by Bmurray350z
I wanna do this ASAP. I'm on tanabe gf210s and I'd love to cut down the rear some. I wish someone could put a DIY together of actually taking it off rather than just cutting it.
Taking them off is easy, cutting them is a PITA:
https://my350z.com/forum/brakes-and-...y-yusoslo.html
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Old Feb 18, 2013 | 08:14 AM
  #74  
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Anyone else having the same problem as me? The picures are gone that were taken to go along with the directions...just would be nice to see them to make sure I'm doing it right.
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Old Mar 31, 2013 | 11:00 PM
  #75  
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im running all stock suspension, and finally understand the spring mount mod without the original photos.

i weigh 160 and usually ride alone but dont want to ruin the stock suspension doing this
i hear people experience no issues but they dont specify if they have stock suspension or not.

im looking to bring the back to the same ride height as the front stock *i currently live in N.O. and roads are awful so slamming is not possible*

will i need to do anything down the line if i do this mod?
i was looking at hotchkis springs but if this is cheaper and gives the effect im looking for id rather do this
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Old Jun 17, 2014 | 12:45 PM
  #76  
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Originally Posted by AcidJake75
Like the title says. I get to try the drop and then go back to stock to see if I like it. OR IF I SCRAPE This is with a 3/4 inch drop..

Im dropped on RS*R springs (.6 inch drop - but this about as close to stock as Im going to get. Also riding on 18x9.5 (+20) WORK rims AND A 20MM SPACER )

BEFORE INSTALL




AFTER INSTALL





STOCK VS CUT





Another Stock VS Cut




Sorry for the sh*tty pic
- 1 1/4 inch to 1 3/8 - MAY VARY





EDIT***** theres no scraping whatsoever. seems easier to lose the tail end (or perhaps thats just me). You dont lose ride quality - thats for sure. And the looks ......well....pics just dont do it justice.
1st page link doesn't work anymore! for this
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Old Jul 18, 2014 | 02:53 PM
  #77  
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Default rear mount mod explained in detail

This is your Brain [ATTACH]DIY: Cutting Rear Springmount aka "the springmount mod"-20140717_204556.jpg[/ATTACH]


this is your brain on drugs[ATTACH]DIY: Cutting Rear Springmount aka "the springmount mod"-20140717_204618.jpg[/ATTACH]


any questions?
Attached Thumbnails DIY: Cutting Rear Springmount aka "the springmount mod"-20140717_204549.jpg   DIY: Cutting Rear Springmount aka "the springmount mod"-20140717_204612.jpg  
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Old Jul 18, 2014 | 02:54 PM
  #78  
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My world is upside down Thus inverted pics.
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Old Apr 13, 2017 | 06:58 AM
  #79  
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Just for other people searching up this mod, I used a new spring isolator bushing from Energy Suspension to achieve similar results and cut the install time pretty much in half because there's no cutting involved. The handling seems better, I'm assuming because the polyurethane doesn't compress in a corner like the rubber mounts do.

Part Number: 9.6120R


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