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Bob McDonald

Bob McDonald
Bob McDonald is owner of Atlantic Engines in Granite Falls, NC, and specializes in high performance diesel and gasoline engines and cylinder heads for street, marine, dirt and drag racing.
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For the past several years, word on the street was that GM would be bringing...
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There are five ­generations of the Duramax engine. The best way to identify the generation is by the year, model and the RPO (regular...
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I often hear comments from people about a strange and mysterious fluid called DEF (Diesel Exhaust Fluid) that is used in some late-model diesel...
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I often hear customers ask about the difference between a sleeve and a liner. It’s an understandable question. Automotive guys call them sleeves and...
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Most engine builders worth their salt know that with the components and technology available today, it’s not that difficult of a task to make...
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In an age when kids would rather hot rod their computers than their cars, it’s kind of amazing that old fashioned hot rodding still...

I often wonder why so many owners aren’t more concerned with the condition of the coolant in their engines. I don’t know if it...

For some time now, most of the development in diesel technology has been aimed towards making the engines environmentally-friendly. But as diesel engines have...

When diagnosing and repairing today’s modern diesel engines, you often trust your scan tool to give you answers. But what do you do when...

It seems that there have been some improvements in diesel injection technology that have allowed some “clean-up” work on the diesel exhaust system, and...
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  Though they lately seem to be going the other way, with rising fuel prices, consumers are constantly looking for inventive ways to cut fuel...
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The light turns green and the truck bellows out a plume of black smoke and in a flash all you see are the taillights....
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Since diesel engines ignite by using the heat of combustion, they usually need help when the climate changes to the cold of winter. Veteran owners...
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They may have heard the term before but many diesel owners don’t often understand their function. Most make the assumption that it has something...
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Sometimes, owners with tuners or power enhancers have the capabilities to read trouble codes if something happens. But this may or may not point...