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Re: What's it worth? 1971 GMC C30 Longhorn Sierra Grande
Numbers matching? I thought the only thing you could tell is the year the motor is from. Unless protcoplate is had. And numbers matching doent mean anything on theas pickups any way. If it whare a z28 or Corvette then I'll would worry about it
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 ( second times the charm) 71 gmc c15 307 sbc 373 rear gears positrac sm 465 trans. ( not listed on spid but is original )
94 chevy k1500 350 tbi 373 rear gears 4l60e one wheel peel. Gutless
07 gmc sierra classic rcsb 4.3 lt 5 speed w/t
04 chevy Silverado 1500 ext cab 5.3 4l60e.
81 chevy Scottsdale k10 muncie sm465 Np208 10 bolt 8.2 ( Old Green)
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