Is this a good setup for street/haulin' butt?

1970dartcustom said
OK, So my Dad says that I have a Dana power-lok used in 8-3/4's until 69. SO, is this still a "sure-grip" or is it a "power-lock"? (or both)

If you had a dana 60, you'd have a powerlock, you have a 8.75, you have a suregrip. 2 types of sure grips used, cone and clutch. And no, a dana 60 powerlock will not fit in a 8.75, the gear diameter is much larger in the dana 60,

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