LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

lowering, effects on handling

Thread Tools
 
Search this Thread
 
Old 04-14-12, 09:40 PM
  #1  
xinkid
Rookie
Thread Starter
 
xinkid's Avatar
 
Join Date: Sep 2011
Location: Texas
Posts: 74
Likes: 0
Received 0 Likes on 0 Posts
Default lowering, effects on handling

Hello, I'm wondering if lowering the 98LS will introduce any funny handling problems like bump steer, roll center migration, loss of camber gain? McPherson strut suspensions are terrible with any lowering. I just want to make sure on the double wishbones, it is not so much a problem.
Old 04-14-12, 09:56 PM
  #2  
whit3b0y
Pole Position
 
whit3b0y's Avatar
 
Join Date: Nov 2009
Location: or
Posts: 314
Likes: 0
Received 1 Like on 1 Post
Default

how low are you looking to go? i suggest slamming it. and yes
Old 04-14-12, 10:06 PM
  #3  
RA40
Super Moderator

iTrader: (6)
 
RA40's Avatar
 
Join Date: May 2003
Location: California
Posts: 20,850
Received 463 Likes on 361 Posts
Default

Definitely does have changes. Whether that is what you like is another.
Since this isn't mine, 2" or less of ground clearance and tucking rim.
Old 04-14-12, 10:21 PM
  #4  
xinkid
Rookie
Thread Starter
 
xinkid's Avatar
 
Join Date: Sep 2011
Location: Texas
Posts: 74
Likes: 0
Received 0 Likes on 0 Posts
Default

LOL the reason I asked is because my left front air strut started leaking badly. Now, the tire is all the way into the wheel well, looks very slammed and won't come back up after starting the car. I kind of like how low the front looks right now even though it's not balanced (right side higher than left). So the front left is sitting on its bump stop and has 0 suspension travel right now. It's literally 2 inches off the ground. It feels horrible bouncing over every little bump. LOL

I'm thinking I should get the car to have 1/2" of fender gap all around when replacing those damned air struts with springs. I'm not sure how much lower that is compared to stock. anyone know and have experience with funny handling at that height?
Old 04-14-12, 10:33 PM
  #5  
PureDrifter
BahHumBug

iTrader: (10)
 
PureDrifter's Avatar
 
Join Date: Aug 2004
Location: California
Posts: 23,918
Received 94 Likes on 86 Posts
Default

whenever you lower a car you're going to change its handling characteristics. if all you want is a mild drop (<2inches) then the suspension geometry will not change significantly.

the more you lower it though, the more you will be subjected to bump steer and tramlining due to changes in roll center, SAI, and kingpin. some of these aspects can be compensated for, but not all.
Old 04-14-12, 10:50 PM
  #6  
RA40
Super Moderator

iTrader: (6)
 
RA40's Avatar
 
Join Date: May 2003
Location: California
Posts: 20,850
Received 463 Likes on 361 Posts
Default

I hand it to the guys who can afford to roll with that much neg camber. The summer tires on this barge last ~40K miles. I would enjoy to be dropped another 1" but may not like the resulting tire wear.

These Continental DW tires trammel more. Liveable but not as neutral with aggressive grooved roadways.
Old 04-15-12, 02:43 AM
  #7  
PureDrifter
BahHumBug

iTrader: (10)
 
PureDrifter's Avatar
 
Join Date: Aug 2004
Location: California
Posts: 23,918
Received 94 Likes on 86 Posts
Default

Originally Posted by RA40
I hand it to the guys who can afford to roll with that much neg camber. The summer tires on this barge last ~40K miles. I would enjoy to be dropped another 1" but may not like the resulting tire wear.

These Continental DW tires trammel more. Liveable but not as neutral with aggressive grooved roadways.
so drop it with RCAs, they correct camber. (NRCAs don't.)
Old 04-15-12, 07:38 AM
  #8  
rome99LS
Lead Lap
 
rome99LS's Avatar
 
Join Date: Aug 2011
Location: GA
Posts: 519
Likes: 0
Received 1 Like on 1 Post
Default

I'm reading all these Lowering forums and really being cautious on lowering my LS cuz I really love the ride so I'm tryna figureout how I wanna do it, the show is this weekend and I yet todo anything for this weekends Lexus meet!! Time to push hard this week...help me too.
I was lookin at the tanabe lowering springs bit I also know the labor is no joke into putting them in!
Old 04-15-12, 12:42 PM
  #9  
RA40
Super Moderator

iTrader: (6)
 
RA40's Avatar
 
Join Date: May 2003
Location: California
Posts: 20,850
Received 463 Likes on 361 Posts
Default

Originally Posted by PureDrifter
so drop it with RCAs, they correct camber. (NRCAs don't.)
I understand this for the guys who dial in more neg camber, will have to see what is available for + applications. I suspect this leads down a $ road of parts.

http://www.more-japan.com/nagisa-aut...n-lexus-ls400/

https://www.clublexus.com/forums/ls4...for-ls400.html
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
steveski
LS - 1st and 2nd Gen (1990-2000)
6
05-27-17 02:41 PM
msgs350
Suspension
10
06-25-10 04:43 AM
sincityIS
Suspension and Brakes
17
07-25-07 08:35 PM
howiedoit
Suspension and Brakes
3
01-20-03 02:47 AM
jwar
SC- 1st Gen (1992-2000)
4
12-17-02 01:08 AM



Quick Reply: lowering, effects on handling



All times are GMT -7. The time now is 11:49 PM.