DIY: Cutting Rear Springmount aka "the springmount mod" - Page 2 - MY350Z.COM Forums



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Old 08-29-2008, 06:18 AM   #21
JasonZ-YA
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Quote:
Originally Posted by Rowlett
So im wonderin, With the Stock shock, will this be an issue?
Cuttin the rear mount 1/2 inch... or how much should i cut?
Im already on Hotchkis springs...

only cut down whatever amount lower you wish to be......

if you cut a 1/2 inch your gonna drop just about that much more...

some distance is soaked up in the suspension geometry so my advice is to cut a little, then remount and check it out..... and if you want to cut more then do it again.....

-j
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Old 08-29-2008, 06:19 AM   #22
cheshirecat79
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Rowlett, I do not believe that the cut will hurt your rear shock by itself. However, with your spring change plus the extra half inch, you may end up stressing the shock and end up having to change it earlier.

Looking at your drop though, it looks even for the front and back. I would only suggest cutting the mount if your rear is sitting higher than the front, like with the stock suspension setup.
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Old 09-11-2008, 08:19 PM   #23
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I have mine cut on my sport lines. I love the drop and I have yet to have a single problem in the rear. Now my front is messed up and i need to replace my struts with less than 2k miles on them due to my skunk 2's have a crappy spring rate and being our roads are so bad here in biloxi. Im happy with my rear drop. i might cut the rubber mount down some more or just but some rubber shrink wrap around the top of the spring and completly take the rear mount out to prevent noise.

this was the rear drop with my skunk 2's. i have the same drop with my sportlines


Last edited by kramykram; 09-11-2008 at 08:21 PM.
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Old 10-20-2008, 12:30 PM   #24
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Quote:
Originally Posted by FirstZ View Post
I just order a set from nissanpartscheap.com, $45 BUCKS for the rear top pair!

http://www.trademotion.com/partlocat...=5&catalogid=1

this doesn't seem to be a direct link..


anyone have the part number?
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Old 10-22-2008, 06:34 PM   #25
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I did mine a few weeks ago. I also cut out 1/2 in from the spring mount. It took about an hour to cut and install. I'm running Tein Flex with about 1/4 in more adjustment to go in the rear.


Last edited by redmike_02; 10-22-2008 at 07:05 PM.
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Old 11-22-2008, 06:50 PM   #26
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I have an 04 stock and did 3/4". I left 1/4" of cusion at the top for spring mount and it leveled it out nice, Stock ride but better weight transfer and loading throught turns.
I used a port-a-band saw at work, took 45 sec. each.
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Old 11-25-2008, 07:50 AM   #27
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anyone do with with GF210's?
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Old 11-26-2008, 09:20 AM   #28
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Neat/cheap mod

Just another option for cutting it, if anyone wants to machine it or use a cut off disk you could freeze the upper mounts. When we want to modify a purchased rubber part here at work we have the guys freeze them before machining. Of course you can't do this for anything high tolerance as the part will expand when it thaws, but for applications like the the upper spring mounts that process would work great.
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Old 12-01-2008, 08:53 AM   #29
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I did mines a couple of days ago.. pretty easy and cheap mod with great results.





b4 i could stick my finger in there and now i cant
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Old 12-01-2008, 09:23 AM   #30
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How far down in the back can you go before you need to F with camber kits etc? I have the S Techs now but I dont want to start messing around with camber kits etc (which is why i bought the S techs)
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Old 12-01-2008, 09:27 AM   #31
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i have the GF210's and with stock arms the closest i could bring my camber to spec was about 3..lol and thats a 1.2" drop now that i did this to it im going to put it back on the rack and see what happened to my camber.
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Old 12-03-2008, 06:10 AM   #32
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ok what i need to know is how to measure my front height to my rear so i know how much to cut.
i assume looking at just how the tire and fender match can give incorrect results since everybody has different tire sizes

Oh i have a stock suspension
Im saving for coilovers......i just really need something cool to do with the car.....cuz its cold and i have nothing to do....but work on the car
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Old 12-04-2008, 03:42 PM   #33
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Quote:
Originally Posted by McLovin350Z View Post
ok what i need to know is how to measure my front height to my rear so i know how much to cut.
i assume looking at just how the tire and fender match can give incorrect results since everybody has different tire sizes

Oh i have a stock suspension
Im saving for coilovers......i just really need something cool to do with the car.....cuz its cold and i have nothing to do....but work on the car
So... measure for YOUR tires. Honestly how hard is it, put a ruler up to your rear wheel well at the highest point, put the zero at the edge of your fender and follow the ruler until you get to the desired drop height. Take this measurement and chop the same amount off your upper spring mounts and walla. The results will be close enough to what you measured.
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Old 12-05-2008, 04:21 AM   #34
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Thanks Parker01
Your right not hard at all
I just didnt know what was the preferred method of measurement
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Old 02-27-2009, 07:59 PM   #35
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Mine are done, cut .5 off, came out perfect the first time.

I have noticed that my rear spring rates have changed being that they are progressive springs, not linear like the stockers. So I had to stiffen the compression with the fronts to balance out for the stiffer spring rate in the rear, if not the car felt like the rear was hopping.

Will get some pics posted up soon.

Koni yellows, with the new revised rear struts for easier adjustments.

H&R springs which have a drop of 1.3 front and 1.0 rear.
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Old 02-27-2009, 10:37 PM   #36
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Both the IF & SS were cut. They were also kicked out with wheel spacers.









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Old 02-27-2009, 10:40 PM   #37
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Old 03-12-2009, 01:39 AM   #38
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has anyone here done this mod while running the nismo s-tune suspension? i'm thinking about doing a 1/2" cut but i don't want it to ruin the nismo shocks prematurely...
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Old 03-12-2009, 08:37 PM   #39
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S-tech owners how much are you cutting???
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Old 03-12-2009, 08:56 PM   #40
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lol all that for a .5" drop? is that even noticeable? :
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