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Old 11-01-2015, 05:31 PM   #1
71CHEVYSHORTBED402
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Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,273
How do you know if you have positraction?

71 Chevy 1/2 ton short with 12-bolt rear-end. I have no reason to believe it's been rebuilt. I've seen positraction on a SPID before, but it's not on mine. I know nothing about rear ends (no pun intended), but this one has high gears. Doesn't much even burn the tires until it chirps when the transmission hits second gear.

My SPID is below, not that it necessarily matters:

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Tony
71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025
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