Aside from its body, there’s absolutely nothing square about this 1978 Chevy one-ton heavy-duty. Oozing cool, this Squarebody ...

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*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...

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Mann has a 1979 Chevy C30 dually, and its SM465 manual transmission didn't agree with a herniated disk in his back. So he grabbed a General Motors 4L80E automatic transmission off his brother's ...