Re: No spin?
It means what it says. Like a limited slip, the no-slip or no-spin, works automatically- there is no external lever or button that needs to be engaged. It is the fore-runner to the Detroit Locker. Jack it up on the pumpkin and put it in neutural, NOT RUNNING, then rotate the tire forwards or backwards and if the opposite side turns in the same direction it is a no-spin. If it rotates opposite, it is an open diff.
I have a '70 GMC parts truck that was factory 4.57 and no spin (Dana 60) but when I pulled the cover off I found 3.73 open. So you never know exactly what your getting with an old vehicle.
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44 Willys MB
52 M38A1
64 Corvette Coupe
68 Camaro 'vert LT1 & TH700
69 Z/28 355 12.6's @110
69 Chevy Short Step 4 1/2"/7" drop
72 Jimmy 4WD 4spd 4" & 35's
02 GMC 2500HD 4x4 Duramax
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