We’ve all heard the expression that something is so clean you could “eat off it,” but it’s hardly ever true. Even in show trucks, there’s usually parts that are dusty, or oily, or have secret rusted bolts. We can confidently say that this is not the case for Jim Martin’s ‘72 K5 Blazer from Northern California. The paint is gorgeous, the engine bay is pristine, and even the underside is absolutely immaculate. It’s probably one of the cleanest Cummins swaps we’ve ever seen, and that’s saying something.
Now Blazers are classics, but they’re also known to not have a ton of power, and to get horrible fuel economy with the factory gas engine. Guess what solves all that, a diesel! Jim’s Blazer has been swapped with a classic 12-valve Cummins…