Back in the day, the GMC Syclone offered some serious hardware—and enough of it to outrun a Ferrari. Mecum will offer a really clean one at their Indianapolis sale May 16-20.
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I need that powertrain in my '73 MGB-GT 
I also remember tbese were crappy as trucks and loved to fly apart. Really poor build quality. GM was at they're lowest during this time frame. Decent concept very poorly executed.
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