sportcross susp. question - Lexus IS Forum
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post #1 of 7 (permalink) Old 06-01-2013, 12:42 PM Thread Starter
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sportcross susp. question

Hello All, I just purchased another lexus. (currently own an is250) This one a '02 sportx. 154k on the clock but the guy must have drove it by remote control, as the car is near perfect. completely stock - all service done at dealer.
I am interested in susp. info. and not seeing much for the SX.
any input is appreciated:
1) Is the SX susp. same as sedan?
2) what are factory spring rates?
The car will run at local autox events and possibly trackdays (I am a bit concerned with a hi mileage motor at a track event though)
This is my first A/T car in 37+ years of driving - I am not real impressed with the shifting of this car - granted I have zero experience. Improvements?
lastly, the car has a bit of hesitation -particularly when cold - when accelerating from a dead stop.(not a hard accel just normal) ideas?
MAF cleaned and assume early 01 known problem does not apply here.
If this info is on this site please reply saying so - not wanting to be a lazy noob here. just haven't seen it with a search.
rjm

Last edited by rjaym; 06-01-2013 at 01:17 PM.
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post #2 of 7 (permalink) Old 06-01-2013, 05:49 PM
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I will try to answer most of your questions

1. same shocks, probably same front springs, different rear springs, the rest of the suspension parts i believe to be identical.
2. I dont actually know the spring rates, but i do know that h&r makes lowering springs to match sportcross spring rates, could possibly find spring rates on there site.

13 J8A FR-S Series 10
02 CW Sportcross rebuild in progress
02 BO Sportcross 2jzgte build in progress
11 SW Tundra DC TRD supercharged

02 MSM L-tuned Sportcross 5 Speed Sold
01 DWP IS300 Sold

Sportcross owners group on facebook

My Story: https://my.is/forums/f219/sportcross-...8/#post7991882


My For Sale: https://my.is/forums/f99/sportcross-s...hifter-438917/
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post #3 of 7 (permalink) Old 06-01-2013, 07:54 PM Thread Starter
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Thanks Curran,I'll do some digging there-- I see you have 5 speed - did you do this swap yourself? What hp are you getting with this stage II thing?
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post #4 of 7 (permalink) Old 06-01-2013, 08:48 PM
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Yes I did the swap myself. Stage II refers to the package from l-tuned which ads suspension to the appearance package. The ltuned exhaust is suppose to ad 8hp but basically at stock power levels.

Btw the sportcross FAQ could probably answer some questions.

13 J8A FR-S Series 10
02 CW Sportcross rebuild in progress
02 BO Sportcross 2jzgte build in progress
11 SW Tundra DC TRD supercharged

02 MSM L-tuned Sportcross 5 Speed Sold
01 DWP IS300 Sold

Sportcross owners group on facebook

My Story: https://my.is/forums/f219/sportcross-...8/#post7991882


My For Sale: https://my.is/forums/f99/sportcross-s...hifter-438917/
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post #5 of 7 (permalink) Old 06-03-2013, 03:22 PM
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Congrats on pick up.

Stock spring rates is in the 225-250ish. Like Curran mentioned...I only know of the H&R springs that offer specifically for Sportx. You can always do custom spring rates with Figs (vendor on here). All suspension parts are interchangeable with sedan.

If you already cleaned your MAF, try cleaning out the throttle body and plate. I would also run through some Seafoam to the brake boost and PCV valve. I am assuming service is up to date....or I would suggest tune up, of course.

2005 MSM Sportcross: 4/10/09-12/4/13-Gone but Never Forgotten
2012 VW Sportwagen TDI SOLD
2014 Subaru Forester XT SOLD
2007 Saab 9-5 Sportcombi Aero SOLD
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post #6 of 7 (permalink) Old 06-07-2013, 10:51 PM
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I have H&R springs for sale if interested pm me

------------------------------------------------------

Nice parts dont make a nice car, paying to have pros do every little thing and never touching it yourself or driving it does.
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post #7 of 7 (permalink) Old 06-09-2013, 08:23 PM Thread Starter
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