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Review Tein Basis coilovers on '13 G37S sedan 6spd

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Old Apr 6, 2016 | 01:55 PM
  #31  
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Originally Posted by 4DRZ
UPDATE: Raised the front and rear about 1/4" which compressed the spring and they ride noticeably better over "bouncy" roads.
Did that max out the threads? And where are you now floor-2-fender?

Pretty amazing how 1/4" can make all the difference, but I believe it.

Last edited by Rochester; Apr 7, 2016 at 06:26 AM.
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Old Apr 7, 2016 | 01:56 AM
  #32  
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Yeah, what was the height FTG before and after? Do you have pics at the new height?
I love the look at 26.25, but if 26.5 made a huge difference in ride, I might consider it.
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Old Apr 7, 2016 | 02:03 PM
  #33  
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Well I am still on the snow tires which are the same size sidewall front and rear so it is a bit higher in the front. But as soon as the weather sorts out I will have the summer tires on and may have to readjust since the sidewalls are different sizes like stock.

The threads are not maxed out, but definitely getting harder to turn as the spring compresses.

It is not a night and day difference, but helped with the bouncing. It seemed to make more difference when I firmed up the rear compared to the front.
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Old May 27, 2016 | 11:53 AM
  #34  
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I just ordered the Tein Basis GSP92-1UAS2 for my sedan but the retailer (Redline 360) said they only work for the 370Z and G37 Coupes. Do they also work with the sedan? I got a pretty good price $460 right now... but he said if they don't work that I'll get a fun restock fee as they wouldn't be able to sell them new.

Tein's website shows no compatible Tein coilovers for the G37 Sedans.
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Old May 27, 2016 | 12:03 PM
  #35  
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Originally Posted by grocerylist
I just ordered the Tein Basis GSP92-1UAS2 for my sedan but the retailer (Redline 360) said they only work for the 370Z and G37 Coupes. Do they also work with the sedan? I got a pretty good price $460 right now... but he said if they don't work that I'll get a fun restock fee as they wouldn't be able to sell them new.

Tein's website shows no compatible Tein coilovers for the G37 Sedans.
I believe they do as long as it's RWD
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Old May 27, 2016 | 11:23 PM
  #36  
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Yep, that's the part # for RWD Sedans & Coupes, FWIW many coilover applications only list Coupes, but they will work fine for RWD sedans too.
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Old May 28, 2016 | 05:00 PM
  #37  
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Yeah the instructions for the coilovers do not list the sedan, but they work just fine for me.
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Old Jun 4, 2016 | 02:41 AM
  #38  
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So I started on the rears first as they're easier... well I'm stuck, having some difficulty with torquing the rear shock top nut to the top hat @ 22Lbs. I've installed lowering springs before on my old G35 but didn't realize I'd have to reuse the top hat mounting part for the rear shock. I was able to get the top hat off the old shock but I want to do it right and get everything torqued correctly. Did you guys use a special shock top nut tool for this? I've seen some for domestic cars but nothing for imports or Nissan/Infiniti w/ a 14mm.

With all the trouble, having to hacksaw the old dust cover, reuse the front/rear top hats I'm starting to think it might have been better to buy a more expensive set of coilovers that were ready to install without all this nonsense.
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Old Jun 4, 2016 | 11:13 AM
  #39  
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Originally Posted by grocerylist
So I started on the rears first as they're easier... well I'm stuck, having some difficulty with torquing the rear shock top nut to the top hat @ 22Lbs. I've installed lowering springs before on my old G35 but didn't realize I'd have to reuse the top hat mounting part for the rear shock. I was able to get the top hat off the old shock but I want to do it right and get everything torqued correctly. Did you guys use a special shock top nut tool for this? I've seen some for domestic cars but nothing for imports or Nissan/Infiniti w/ a 14mm.

With all the trouble, having to hacksaw the old dust cover, reuse the front/rear top hats I'm starting to think it might have been better to buy a more expensive set of coilovers that were ready to install without all this nonsense.
I had no issues getting the top hat nut to the right torque. What seems to be the issue?
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Old Jun 4, 2016 | 12:02 PM
  #40  
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Tricky tight space... Using a vice grip on the top of the flat sided bolt then an open ended wrench I made it as tight as I could but not sure how to get it to a specific torque as my socket torque wrench won't allow anything to keep the tube from spinning freely. I've seen people say to wrap the tube with rubber/leather and vice down on that but I wasn't going to do that.
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Old Jun 4, 2016 | 12:08 PM
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Originally Posted by grocerylist
Tricky tight space... Using a vice grip on the top of the flat sided bolt then an open ended wrench I made it as tight as I could but not sure how to get it to a specific torque as my socket torque wrench won't allow anything to keep the tube from spinning freely. I've seen people say to wrap the tube with rubber/leather and vice down on that but I wasn't going to do that.
I see, that makes sense now. Just use a vise grip to hold the chrome rod to keep it from spinning. If it can support the weight of the car, the vise grip will be fine. I've always done that and never had any issues. If you don't want to do that, doing it by hand the way you did is fine too. 22lb/ft. is nothing as far as torque.
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Old Jun 4, 2016 | 02:49 PM
  #42  
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Do we need a spring compressor to get the oem top hats on?
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Old Jun 4, 2016 | 04:03 PM
  #43  
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Originally Posted by PNW_IPL
Do we need a spring compressor to get the oem top hats on?
I know you need one to get the top hats off of the front shocks, but I cannot remember if you need to compress the new springs. In the back if you have it on a lift you can just compress the springs with a tall jack stand.
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Old Jun 4, 2016 | 04:07 PM
  #44  
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Do you know how low these can go? Ground to fender?
Im at 26 3/4 with swifts and im hoping to go 26 rear and 25.5 front
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Old Jun 4, 2016 | 04:18 PM
  #45  
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Originally Posted by PNW_IPL
Do you know how low these can go? Ground to fender?
Im at 26 3/4 with swifts and im hoping to go 26 rear and 25.5 front
You should be able to hit 26 in the rear pretty easily. I am at 26.5 in the back and about the same up front. You might have enough adjustment in the front to get that low, but you are going to scrape on everything and it might look a little weird. The raked styling of the car will make the front look lower even if it is at the same height as the rear.

The trick is going to be getting to that height with the suspension hooked up. Try to get it adjusted as close as you can with the spring collars before you put everything together. The springs will be under quite a bit of load at that height if you try to do it on the car.
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