Which posi unit did Stude use in the '55-64 Dana 60?

by jack vines


My research indicates there are two main types of limited slip units for the old Dana 60. One is the Powr-Lok unit which has four pinions and two cross shafts. The other is a Twin-Trak which has two pinions and one cross shaft.

Just for information, there also exists a Detroit Locker unit which is more off-road/racing.

Has anyone ever had a Stude unit apart to confirm which was OEM?

jack vines

Posted on Oct 4, 2011, 11:36 AM
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