How to tell if a 911 has a LSD ?
 

Hey all - I am curently looking to purchase an (out of state)`86 Targa and the owner is not sure if it has limited slip or not. Is there any way to tell (other than driving it) if the car is equiped with a LSD? Any info would be appreciated.

-EJ

If you jack up one side and put a jack stand under the torsion bar tube at the rear, then take it out of gear -- be sure it is in NEUTRAL! Next, release the parking brake as far down as possible. If the raised tire can be turned, freely ... the car does not have a limited slip, or it is shot/worn badly! If the raised wheel will not turn, or turns with a great deal of resistance, then it does have a Limited SlipDifferential! If pulling in from a test drive just prior to this test, coast to a stop without using the disc brakes, use the emergency brake to finally stop the car ... to minimize caliper drag on the rear wheels.

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Warren Hall
1973 911S Targa

Its eyes will be dilated if it's on LSD. Oh, and it will giggle at everything.

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'83 SC

if you can get both back wheels of the ground, turn one. If the other side turns the same way LSD. And if you turn on a black light you'll hear a subdued wow.

Man I really set myself up for that one! Anyway, thanks for all the info.

-EJ