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Re: Lifting a kia sportage? Look here first! Also tire size recommendations. [Re: DennisThompson] #866528 03/03/08 08:40 PM
Joined: Nov 2007
Posts: 43
C
Chris_Eichman Offline
Getting the Wheeling Fever
The stiffest TJ springs are the 106/6AA springs. I got a set off ebay for around $50 shipped. I haven't installed them yet (waiting for warmer weather.) I plan to take as many before and after pictures as I can to document the lift.

Note: I think the NEW Jeep springs will fit as well, and they have a 7AA spring which is even stiffer than the TJ springs.

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Re: Lifting a kia sportage? Look here first! Also tire size recommendations. [Re: Chris_Eichman] #866529 03/03/08 08:58 PM
Joined: Nov 2007
Posts: 394
jaybur Offline OP
Mudrunner
the problem might be that they get too stiff though. The stiffer the spring the higher the lift, and the less comfortable the ride will be.

keep that in mind


Sportage sold.........
1999 4runner 4x4 , Tundra brake rotors and calipers (well worth it!) -wifes
Re: Lifting a kia sportage? Look here first! Also tire size recommendations. [Re: Chris_Eichman] #866530 03/03/08 09:52 PM
Joined: Aug 2006
Posts: 1,224
Everet Offline
Body Damage is Cool
Quote
The stiffest TJ springs are the 106/6AA springs. I got a set off ebay for around $50 shipped.


Would you measure the spring rate and let me know what it is?

Just post it here.

Thanks,
Everet <img src="/forums/images/graemlins/patriot.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" />


WWW.UPYOURKIA.COM White 96,4x4, man.hubs,K&N filter,3row rad, twin 16" fans, 3" body lift, 4" UPYOURKIA LIFT KIT,265/75 16 TreadWrights on DC2 wheels,140 amp alt. dual batts.
Re: Lifting a kia sportage? Look here first! Also tire size recommendations. [Re: Everet] #866531 03/04/08 01:20 AM
Joined: Nov 2007
Posts: 43
C
Chris_Eichman Offline
Getting the Wheeling Fever
It looks to be about 155-160 lbs/inch but I don't really have that accurate of measuring tools. I tried to do a google search to see if anyone had more accurated measured the spring rate, but to no avail. Hope that helps.

Re: Lifting a kia sportage? Look here first! Also tire size recommendations. [Re: Chris_Eichman] #866532 03/04/08 01:24 AM
Joined: Aug 2006
Posts: 1,224
Everet Offline
Body Damage is Cool
how long are they?
Everet


WWW.UPYOURKIA.COM White 96,4x4, man.hubs,K&N filter,3row rad, twin 16" fans, 3" body lift, 4" UPYOURKIA LIFT KIT,265/75 16 TreadWrights on DC2 wheels,140 amp alt. dual batts.
Re: Lifting a kia sportage? Look here first! Also tire size recommendations. [Re: Everet] #866533 03/04/08 01:32 AM
Joined: Nov 2007
Posts: 43
C
Chris_Eichman Offline
Getting the Wheeling Fever
They are about 12" long. Anything else just let me know.

Re: Lifting a kia sportage? Look here first! Also tire size recommendations. [Re: Everet] #866534 03/04/08 02:28 AM
Joined: Oct 2006
Posts: 616
Iron Offline
Rock Warrior
Jaybar will correct me if I'm wrong but 106aa is the stiffest spring, 105 the next and so on, there are 6 sizes in all.

There is a 130aa that is available on the Rubicon only (in Canada at least) this might be the elusive factory 2" lifted springs that have become a urban myth, there a set on ebay now, with the 130aa tags on them.


130aa ebay springs.


Nevermind I'm an idiot, those are front springs!!! the rears are 5aa must be a newer TJ

Last edited by Iron; 03/04/08 02:31 AM.

08' Jeep Wrangler
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Re: Lifting a kia sportage? Look here first! Also tire size recommendations. [Re: Iron] #866535 03/04/08 04:21 AM
Joined: Nov 2007
Posts: 394
jaybur Offline OP
Mudrunner
actually those ebay springs are 105 REAR and the fronts are the 130's

but yes there are 6 different spring rates for the various TJ models 106aa being the highest


Sportage sold.........
1999 4runner 4x4 , Tundra brake rotors and calipers (well worth it!) -wifes
Re: Lifting a kia sportage? Look here first! Also tire size recommendations. [Re: Chris_Eichman] #866536 03/06/08 10:08 PM
Joined: Feb 2008
Posts: 8
T
tnyankee Offline
Need a Spot
Quote
It looks to be about 155-160 lbs/inch but I don't really have that accurate of measuring tools. I tried to do a google search to see if anyone had more accurated measured the spring rate, but to no avail. Hope that helps.
Try one of these:
http://www.engineersedge.com/spring_comp_calc.htm
http://guzzitech.com/springrate.html
http://www.therangerstation.com/tech_library/coilspringrate.htm
http://www.efunda.com/designstandards/springs/calc_comp_k.cfm
http://www.ajdesigner.com/phpspringrate/spring_rate_equation.php
http://www.tftunedshox.com/springcalc.htm

They'll all give close to the same numbers if not exactly the same.


'02 Sportage 1-3/8" body lift 4" suspension lift 235/75-15's on stock rims
Re: Lifting a kia sportage? Look here first! Also tire size recommendations. [Re: tnyankee] #866537 03/07/08 01:59 AM
Joined: Nov 2007
Posts: 43
C
Chris_Eichman Offline
Getting the Wheeling Fever
I know how to calculate the spring rate thats physics. The question is what is the "real" spring rate not the "ideal" spring rate? Anyway, the easy option is to get a "standard weight" (in my case 100 lbs) and measure the distance the spring compresses. Voila! The spring rate! Anyway, the springs I got off ebay (6AA) had 3,000 miles on them, and the rate for them is 160lbs/in.

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