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#1103578 - 06/29/17 07:46 PM Differential lockers experienc  
jckiasportage  Offline
Need a Spot
Joined: Jun 2017
Posts: 2

For the last two or three weeks I was researching about pros & cons of differential locking. In order to complete my research, I was thinking that it would be very valuable to have some experience of users of kias 1st generation regarding the use of such systems...

I heard about some sportage owners using total locking (as Kaiser lockers), and other ones using LDS locking systems (as Track Finder Lockers -TF Lockers or EATON 19519-010 positraction...), inclusive some others uses a mix of total and LSD lockers, or a mix of total/LSD and open... Could you please comment your experience?

Best regards,


Kia Sportage 1997 , 4" UPYOURKIA lift kit, rear TJ Wrangler 3227's, rear KYB 99 RAV4, 3.25" body lift, 265/75/16 tires, snorkel, 5.38 R&P, front/rear TF-Lockers. Working @: custom front/ rear bumpers, Superwinch Tiger Shark 9500 w/remote control.

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#1103579 - 06/29/17 10:30 PM Re: Differential lockers experienc [Re: jckiasportage]  
4x4Wire  Offline

Trail Leader
Joined: Feb 2000
Posts: 6,127
Lakeside, CA ***
Have you searched the TrailTalk archives for that information??

The subject of lockers does recur on a regular basis and there are a number of opinions and experiences with LSD, welded gears and full lockers.

While it may not reflect the specific brand, there is good info about how locking diffs perform in different situations.

In general, use LSD on axles that with the steering mechanism and full lockers on the main drive axle.

Keep in mind, a locker will put equal torque to both wheels on the axle. Most times it is a benefit. Periodically, it can be a detriment.

#1103832 - 09/14/17 01:48 AM Re: Differential lockers experienc [Re: jckiasportage]  
Everet  Offline
Body Damage is Cool
Joined: Aug 2006
Posts: 1,224
Silicon Valley, CA
Trackfinders are lockers.
The only clutch LSD for the rear is stock Kia.
I think there is a place in Brazil that sells a KAAS type for about what the car is worth.

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.

#1103854 - 09/25/17 06:21 PM Re: Differential lockers experienc [Re: jckiasportage]  
Meat_Whiz  Offline
Need a Spot
Joined: Dec 2005
Posts: 2
Vancouver, WA
It's been a long time since I spent any lengthy amount of time on this forum other than reference because of some of it's inherent clunkieness, but I still check back from time to time to see if the posts have picked up some. Nice to know that there's still some activity. A lot of us are over on a Facebook page named Micro Monsters, if you're interested. I'll post a link at the end.

Now to some meat of the conversation. I have the Trackfinder lockers (front and rear) that have yet to be installed. At this time, I think that the TF's are the easiest to obtain. I ordered my parts back in February and had the whole thing shipped to my door in about 20 days. Lockers (both 26 and 28 spline) were the same price at $390.36, ring & pinions (again both front and rear) were $182.95, and extended forks were $138.68 per pair. I conducted business through email with them at picorp@hanmail.net. Payment is through Paypal, and there are courier charges and a Paypal fee that scales up according to how much you order from them. I ordered the full lot of front and rear lockers, front and rear ring & pinion, and the extended forks. The total price on that with courier charges and Paypal fee came to $1579.19.

There's a write-up on here for OBX LSD front torsen type differential. I plan on going with the OBX unit in the front as opposed to the TF to make steering in the front more road friendly. The internal gears need to be oriented correctly for front differential use and I'm still working that out in my head (I'm new to this too). A guy named Rich Bryant has a page that details the rebuild of the OBX LSD in detail, particularly gear orientation at the following web page ----> http://rbryant.freeshell.org/obx_washers.htm There is also a website that sells the completely rebuilt OBX LSD and uses the washer kits from Rich Bryant, although they put the differential back exactly as it came apart, so any internal gear orientation that might need to be changed you'd have to do yourself, unless you know how to tell them what orientation you need. The rebuilt OBX LSD can be obtained at http://turbosunleashed.com/shop/serviced-miata-p-444.html This is a 1994-1997/1999-2005 Mazda Miata spec differential, but as I understand it, it's an exact swap for the front differential in the Sportage. If someone here can positively confirm that, please ring in.

There are also solid diff spacers that can be obtained from a machinist down in California to replace the crush sleeves. I have already ordered and obtained these spacers and let them know that there may be more people interested. Spencer Weir of Weir Performance in CA has all the drawings and the price per spacer is $75. I got a pair for both front and rear and with shipping, it ran me $160.50 for the set. Contact info for Weir Performance is http://www.weirperformance.com/contactus.html

Additionally, a couple of us have switched our ECU's over to Hyundai Tiburon/Elantra units. I have a write-up on it on the Micro Monsters facebook page on it. The earlier Tiburons and Elantras had 1.8L and 2.0L engines that didn't have variable valve timing, and those ECU's plug directly into our harness. A hack must be done to loop out auto trans function, and I'm still working out an AC issue, but the ECU swap gives better throttle response, has a bit more base ignition timing, and is set to run 245cc injectors. I'm running a 1998 Tiburon ECU and matching injectors, and have completely eliminated the air shrouded injector setup. Another person is running with an Elantra ECU with Volvo injectors.

So there ya go, hope all that is helpful.


In any hierarchy, every individual rises to their own level of incompetence and then remains there.

#1103856 - 09/26/17 11:38 AM Re: Differential lockers experienc [Re: Everet]  
4runnernomore  Offline
Joined: Jul 2007
Posts: 377
Darwin Australia
Originally Posted by Everet
Trackfinders are lockers.
The only clutch LSD for the rear is stock Kia.
I think there is a place in Brazil that sells a KAAS type for about what the car is worth.

Originally Posted by Everet
Trackfinders are lockers.
The only clutch LSD for the rear is stock Kia.
I think there is a place in Brazil that sells a KAAS type for about what the car is worth.

Kaiser is the name of the locker from Brazil. I have one in the front of my sporty.

Cheers Chris

97 Sporty, snorkel, K&N filter, 98 power chip, ext forks, 40mm Dobinson Springs, KYB struts, 35mm Jeep TJ Dobinson Springs, RAV 4 OME shocks, Kaiser Flocker 5.38 R&P's, 1&3/8 body lift, 245/75 R16 D674's Sports steering wheel, bullbar, Fully Engineered

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