Nissan 370Z Forum  

Koni strut install question

Have an 2009 touring coupe, been running swift springs on OEM struts for six years, swapped in Koni yellow struts myself, back struts are sitting about the same as before

Go Back   Nissan 370Z Forum > Nissan 370Z Tech Area > Brakes & Suspension


Like Tree8Likes
  • 1 Post By cv129
  • 2 Post By x818ray
  • 5 Post By smokejr

Reply
 
LinkBack Thread Tools Display Modes
Old 09-27-2021, 02:12 PM   #1 (permalink)
Base Member
 
smokejr's Avatar
 
Join Date: Aug 2010
Location: Oregon
Posts: 64
Drives: mb mt
Rep Power: 15
smokejr is on a distinguished road
Default Koni strut install question

Have an 2009 touring coupe, been running swift springs on OEM struts for six years, swapped in Koni yellow struts myself, back struts are sitting about the same as before but front is about 4 inches higher than it was, put about 100 miles on so far, is the front gonna come down any lower over time??
If not wondering if I did something wrong on the install, drives and handles
nice and straight, to tighten front and rear bolts I elevated the car under the
swing arms next to the shocks to simulate tires being on the ground, I assume this was ok to do??
smokejr is offline   Reply With Quote
Old 09-27-2021, 02:29 PM   #2 (permalink)
A True Z Fanatic
 
cv129's Avatar
 
Join Date: Jul 2011
Location: Dallas, TX
Posts: 3,236
Drives: 09 Nismo, 16 Nismo
Rep Power: 163995
cv129 has a reputation beyond reputecv129 has a reputation beyond reputecv129 has a reputation beyond reputecv129 has a reputation beyond reputecv129 has a reputation beyond reputecv129 has a reputation beyond reputecv129 has a reputation beyond reputecv129 has a reputation beyond reputecv129 has a reputation beyond reputecv129 has a reputation beyond reputecv129 has a reputation beyond repute
Default

4 inches unintended difference means something is very wrong.

U mean 4 or 0.4?
Rusty likes this.
__________________
Setrab | RE-71 | SPL | JRZ | Nismo | ARK | Whiteline | RacingBrake | CJM Oil Pan | Ti shield
cv129 is offline   Reply With Quote
Old 09-27-2021, 04:46 PM   #3 (permalink)
A True Z Fanatic
 
Join Date: Apr 2011
Location: Sacramento
Posts: 3,235
Drives: 15 370Z Nismo 6MT
Rep Power: 214100
OptionZero has a reputation beyond reputeOptionZero has a reputation beyond reputeOptionZero has a reputation beyond reputeOptionZero has a reputation beyond reputeOptionZero has a reputation beyond reputeOptionZero has a reputation beyond reputeOptionZero has a reputation beyond reputeOptionZero has a reputation beyond reputeOptionZero has a reputation beyond reputeOptionZero has a reputation beyond reputeOptionZero has a reputation beyond repute
Default

how the hell do you go 4 inches higher OR lower with the same springs and different struts?
__________________
OptionZero Build Thread
OptionZero is offline   Reply With Quote
Old 09-27-2021, 05:45 PM   #4 (permalink)
Enthusiast Member
 
k67p67's Avatar
 
Join Date: Oct 2016
Location: Rancho Cucamonga, CA
Posts: 304
Drives: 2017 Nismo Tech 6MT
Rep Power: 3937
k67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond repute
Default

Must be a typo. 4" is not possible. Springs would just be flopping around the strut body.
__________________
2017 370Z Nismo Tech 6MT PART OUT IN PROGRESS
Work | Motordyne | Powertrix | Swift | Michelin | Takeda | Hotchkis | RJM | Voodoo13 | SPL | SPC | Z1 Motorsports | ZSpeed | Morimoto | Craft Square
k67p67 is offline   Reply With Quote
Old 09-27-2021, 06:42 PM   #5 (permalink)
Base Member
 
smokejr's Avatar
 
Join Date: Aug 2010
Location: Oregon
Posts: 64
Drives: mb mt
Rep Power: 15
smokejr is on a distinguished road
Default

With OEM struts and swift springs I could not put a finger between top of tire and fender, now I can put 4-fingers between, so were the old struts that shot,
did I tighten things up incorrectly, or is the spring installed wrong, after
installing top hat on the bench I could only get a few threads screwed on, after lowering car on the ground and driving a couple miles, I removed strut brace and was able to tighten the the nut on the top of the strut down more. Does not make any weird sounds when driving but something is not right, when re-attaching top mount in the wheel well (the bolt that goes thru the grove on the top swing arm piece) I had to pull down on it quite a bit to reach.
thank you any comments to help,
smokejr is offline   Reply With Quote
Old 09-27-2021, 07:08 PM   #6 (permalink)
Enthusiast Member
 
k67p67's Avatar
 
Join Date: Oct 2016
Location: Rancho Cucamonga, CA
Posts: 304
Drives: 2017 Nismo Tech 6MT
Rep Power: 3937
k67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond reputek67p67 has a reputation beyond repute
Default

Do you still have the OEM struts lying around? If so, compare the height of the lower spring perch to the new Koni struts. Did you loosen the bolts on the FUCA during installation? If so, did you tighten them with the suspension hanging down or at ride height?
__________________
2017 370Z Nismo Tech 6MT PART OUT IN PROGRESS
Work | Motordyne | Powertrix | Swift | Michelin | Takeda | Hotchkis | RJM | Voodoo13 | SPL | SPC | Z1 Motorsports | ZSpeed | Morimoto | Craft Square
k67p67 is offline   Reply With Quote
Old 09-27-2021, 09:47 PM   #7 (permalink)
Base Member
 
Join Date: Jan 2013
Location: 818
Posts: 12
Drives: 13g37sdn AT blk/blk
Rep Power: 12
x818ray is on a distinguished road
Default

hey. your spring perch is upside down. it's easy to screw up since the perch slides off easily. i clearly remember this issue on myg37 forums while researching/ prepping for my install. quick pic... https://www.myg37.com/forums/attachm...ront-stock.jpg
cv129 and sx moneypit like this.
x818ray is offline   Reply With Quote
Old 09-27-2021, 10:48 PM   #8 (permalink)
Base Member
 
smokejr's Avatar
 
Join Date: Aug 2010
Location: Oregon
Posts: 64
Drives: mb mt
Rep Power: 15
smokejr is on a distinguished road
Default

I think your right, gonna check this out and hope nothing got damaged, will report back and thanks for the answer.
smokejr is offline   Reply With Quote
Old 09-28-2021, 10:01 AM   #9 (permalink)
Base Member
 
Join Date: Apr 2021
Location: Florida
Posts: 217
Drives: G37S
Rep Power: 26848
THE BULL has a reputation beyond reputeTHE BULL has a reputation beyond reputeTHE BULL has a reputation beyond reputeTHE BULL has a reputation beyond reputeTHE BULL has a reputation beyond reputeTHE BULL has a reputation beyond reputeTHE BULL has a reputation beyond reputeTHE BULL has a reputation beyond reputeTHE BULL has a reputation beyond reputeTHE BULL has a reputation beyond reputeTHE BULL has a reputation beyond repute
Default

Quote:
Originally Posted by x818ray View Post
hey. your spring perch is upside down. it's easy to screw up since the perch slides off easily. i clearly remember this issue on myg37 forums while researching/ prepping for my install. quick pic... https://www.myg37.com/forums/attachm...ront-stock.jpg
I agree with this, a strut with a dedicated spring seat would have not done this unless you installed the spring backwards if that is even possible.

Leads you to the next thing, the perch which is removable. more than likely it's upside down which from the look of it is about an inch in difference, that inch could equate 4 inches of height as the spring sits on it.
THE BULL is offline   Reply With Quote
Old 10-01-2021, 11:46 AM   #10 (permalink)
Base Member
 
Join Date: Dec 2018
Location: In the moment
Posts: 191
Drives: Sideways most times
Rep Power: 11606
sportsman2003 has a reputation beyond reputesportsman2003 has a reputation beyond reputesportsman2003 has a reputation beyond reputesportsman2003 has a reputation beyond reputesportsman2003 has a reputation beyond reputesportsman2003 has a reputation beyond reputesportsman2003 has a reputation beyond reputesportsman2003 has a reputation beyond reputesportsman2003 has a reputation beyond reputesportsman2003 has a reputation beyond reputesportsman2003 has a reputation beyond repute
Default

Did you get this resolved? I have been thinking of going with the Koni Yellows but I do not want to change my ride height. It is that or going full blown KW-V3's
sportsman2003 is offline   Reply With Quote
Old 10-02-2021, 06:15 PM   #11 (permalink)
Base Member
 
smokejr's Avatar
 
Join Date: Aug 2010
Location: Oregon
Posts: 64
Drives: mb mt
Rep Power: 15
smokejr is on a distinguished road
Default

Yep, had the lower spring perch on upside down, glad to have that sorted out,
ride stance is nice, this is a 2009 touring with 18inch wheels, thanks for the help everyone.
Attached Images
File Type: jpg 20211002_143406.jpg (675.3 KB, 22 views)
smokejr is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
noob koni question Jmatchley86 Brakes & Suspension 0 09-21-2019 05:37 PM
Koni shock question Jmatchley86 Brakes & Suspension 8 09-03-2019 11:40 AM
&&&& - Koni Shock/Strut super sale!! - &&&& Kyle(Houston) Suspension/Brakes 202 09-02-2015 12:32 PM
Hood strut-shock install MY1STZ Exterior & Interior 10 09-09-2013 07:24 PM
Rear Strut Question Pensun Brakes & Suspension 1 02-04-2011 05:54 PM


All times are GMT -5. The time now is 03:22 AM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0 PL2