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-   -   BC Coilovers: What's your settings? (https://www.clublexus.com/forums/suspension-and-brakes/701249-bc-coilovers-whats-your-settings.html)

Sportskid1 07-16-13 09:22 AM

BC Coilovers: What's your settings?
 
Finally going to put the BC coilovers on my IS350 this Fri and have my first track day on them on Sat. Can't wait. Got them with SWIFT 12/10K springs. I am interested in what settings everyone is running and how it compares to the stock ride. Looking for everyday settings to get as close to stock ride as possible, may be a bit firmer. For the track I plan on stiffening up the dampening quite a bit. Here is the info I am looking for

Car: (IS250, 350, ISF)
Spring Rate:
Dampening setting:
Ride Quality:

Gville350 07-16-13 01:16 PM

Man, you'll soon wish you had went with 14k up front; I know I do around the hard corners.

Car: '06 350 w/ stock wheels (225/255 BFG KDW II)
Spring Rate: 12k/10k
Dampening setting: DD setting 18 front/ 12 rear
Ride Quality: Bouncey over the small pitted, rough roads but rebounds well on the harsher potholes.

I'd at least of the suggestion to start on a middle-of-the-road setting to re-learn what your car can do now being lowered (I'm assuming you're going to lower it and add noticeable additional - camber).

GL, and report back on your opinions on the setup!

JDM5point0 07-17-13 10:35 AM


Originally Posted by Gville350 (Post 8042093)
Man, you'll soon wish you had went with 14k up front; I know I do around the hard corners.

Car: '06 350 w/ stock wheels (225/255 BFG KDW II)
Spring Rate: 12k/10k
Dampening setting: DD setting 18 front/ 12 rear
Ride Quality: Bouncey over the small pitted, rough roads but rebounds well on the harsher potholes.

I'd at least of the suggestion to start on a middle-of-the-road setting to re-learn what your car can do now being lowered (I'm assuming you're going to lower it and add noticeable additional - camber).

GL, and report back on your opinions on the setup!

would you consider dropping the car on BC's with 14k/10k and NOT do any camber? don't plan on being a die hard track car, definitely still want to practically daily it. tried searching for spring rates and not much came up

Gville350 07-17-13 12:12 PM

^Negative camber is added the lower to drop the coilover. The lower the ride height, the more - camber you will gain. There's nothing wrong with additional negative camber too; it is really toe alignment issues that cause excessive tire wear. I had a set of BFG KDW IIs last almost 30k miles with routine dismounting and swapping of tires to net even tire wear.

Sportskid1 07-17-13 02:50 PM

Thanks for the info. Was thinking about the 14K spring rate but didn't want to make the wife to mad as she drives it to. Also when you as 18 front and 12 rear is that 18 clicks from full firm or full soft. My original thinking was to have the front with a bit firmer setting than the rear.


Originally Posted by Gville350 (Post 8042093)
Man, you'll soon wish you had went with 14k up front; I know I do around the hard corners.

Car: '06 350 w/ stock wheels (225/255 BFG KDW II)
Spring Rate: 12k/10k
Dampening setting: DD setting 18 front/ 12 rear
Ride Quality: Bouncey over the small pitted, rough roads but rebounds well on the harsher potholes.

I'd at least of the suggestion to start on a middle-of-the-road setting to re-learn what your car can do now being lowered (I'm assuming you're going to lower it and add noticeable additional - camber).

GL, and report back on your opinions on the setup!


Gville350 07-17-13 05:08 PM

0-------------18------30
Soft----------------Hard

JDM5point0 07-19-13 09:24 AM


Originally Posted by Gville350 (Post 8043930)
^Negative camber is added the lower to drop the coilover. The lower the ride height, the more - camber you will gain. There's nothing wrong with additional negative camber too; it is really toe alignment issues that cause excessive tire wear. I had a set of BFG KDW IIs last almost 30k miles with routine dismounting and swapping of tires to net even tire wear.

guess i'll just see what the alignment says and go from there. don't PLAN on slamming it, but if it looks better and better as i go lower, it might stay that way.

iRyan 07-20-13 04:46 AM

Car: (IS250, 350, ISF):: IS250(with big boy brakes lol)
Spring Rate: 12k/10k
Dampening setting: DD 22F/ 20R mine is a little bit higher than most people also because of how low I am for my daily driving.
Ride Quality: Honestly it rides perfect...not to stiff and not too bouncy... I would say it feels 90% close to stock feeling. with my height I get about 20k-25k miles on tires maximum.


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