BY Jim Bounds—In this video, I discuss how to determine if your Olds 455 or 403 engine is bad. I explore issues with oil pressure, timing, and compression, among other things.
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By the way, here’s a video that the folks at MyMotorhomeLife.com made in 2021. It features Stef and Jared Kohl talking about their experience of owning a GMC Motorhome. Earlier episodes explore some of the issues potential owners need to take into account when considering the purchase of a GMC Motorhome.
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Guest contributor, Jim Bounds, writes and publishes videos as well as technical articles about the GMC Motorhome; explores its history; and takes the reader through some of the more challenging restoration projects he and his team have worked on over the years.
