eBay Find: This Massive GMC Twin Six V12 Won’t Get You There Quickly But At Least It’s Thirsty

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With the story we ran today about the V12 LS engine it seemed only fair that we give one of the more freakish engines that GM ever built its time in the sun. Thankfully there is one of these babies for sale on eBay so rather than just blather at you about the GMC Twin […]

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