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Front LSD #988548 03/05/10 04:45 PM
Joined: Feb 2009
Posts: 146
Dryver Offline OP
After reading about Torsen LSD's and how they act like an open diff if one wheel is in the air, I was searching the internet in hopes of finding a better option for the front.

Turns out that a Japanese company called OG Giken makes a product called Super Lock LSD. It's supposed to be "the best LSD available" with less heat creation and 100% lockup capability. They miniaturized the componentry to allow them to fit 28 friction plates into the unit.

They make one that fits 94-05 1.8 Miatas, so I'm thinking this may be a drop-in for our front diff? The downside? Costs something like $1300 to $1500. Ouch!



01 Convertible; Electric Fan; 3" Up Your Kia lift spacers; Tj 104's; 31x10.5x15's on Centerlines; Rear LSD.
GONE, all I have left are a few spare parts and the wheels.
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Re: Front LSD [Re: Dryver] #988549 03/05/10 10:00 PM
Joined: Aug 2006
Posts: 1,224
Everet Offline
Body Damage is Cool
I believe mine is a 87 RX7 NON-TURBO. It uses clutch plates and you can shim it so that it is tighter. If you get a whole rearend with the stub axles, you can check the brake away torque with a torque wrench.
The one I have started @ 20 ft lbs and after shimming it, well guess the shim was too thick cause it jumped up to 90 ft lbs. I know that if you really work at it you can shove an extra plate in it and it will give you about 180 ft lbs which is like locked.
Think I will re-shim it and get it down to about 65 ft pounds. More aggressive than stock (40) but 90 seemed not forgiving enough.

Good luck, I got a whole rear diff with stub axles for $50 off craigslist. The ring and pinion were fried but the lsd plates were just worn.

Let us know what direction you go.


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