Re: FW: Re: Differentials

From: JT McBride (mcbride@abac.com)
Date: Wed Jan 20 1999 - 03:47:19 EST


>LIMITED-SLIPS
>
>Limited-slip diffs (also known generically as "posis" from the
>GM-trademarked Posi-Traction) offer the flexibility of allowing wheelspeed
>differentiation for cornering but "connect" the axle shafts when either
>side-to-side torque difference or wheelspeed exceeds a certain point. Most
>LSDs use friction between the differential case and side gears to connect
>the axles as opposed to lockers' meshing teeth. Generally, limited-slips are
>smoother and quieter on the pavement and inflict less tire wear than lockers
>because they transfer less torque per side. This is why some manufacturers
>recommend their LSDs for use in front axles.

That´s fine if you have hubs. Any LSD will wreak havoc with handling in a
setup like the ´93 and later Dakotas.

All that, and no mention of worm-gear diffs like the Torsen used in the
Hummer. Hmmm.

Jim
´93 4x4 CC V8



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