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Old 05-22-2020, 05:47 PM   #1
72timemachine
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Join Date: Oct 2008
Location: los angeles ca
Posts: 210
1978 "Big 10" rear end question

There is a '78 c/10 big 10 a few hundred miles south of my location that has a 5 lug rear axle. I would imagine it is a 12 bolt rear end if it is stock, no?. Aside from this special truck having beefed up suspension, does anyone know if GM gave these trucks limited slip rear ends or was that an option you had to have the dealer order for you back in the day? Any help would be appreciated.
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