We may receive a commission on purchases made from links. Over the last century or so, the auto industry has changed in a myriad of incredible ways. It's mind-boggling to think of just how far we've ...

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...

Diesel pickup truck engines have used glow plugs for decades. Well, let me rephrase that: Diesel pickup truck engines not made by Cummins have used glow plugs for decades. Those inline-sixes found ...

At the start of 2025, Cummins unveiled its updated lineup of heavy-duty (HD) trucks under the Ram 2500 and Ram 3500 badges. Like the smaller Ram 1500, the larger HD models received a comprehensive ...

The first-generation 3.0-liter LM2 Duramax diesel engine was a GM product manufactured in Michigan. The engine became the first diesel for GM's Chevy and GMC light-duty trucks since 1997, and the ...

Ram has finally revealed its 2025 HD and Chassis Cab lineups, incorporating many of the flashy upgrades that have already hit the standard Ram 1500 pickup. But there’s more to this overhaul than a ...

GM has issued a special coverage bulletin for certain units of the 2020 Chevy Silverado 1500 equipped with the 3.0L LM2 turbodiesel Duramax engine that may have been produced with a faulty glow plug ...

The Ram truck brand's new heavy-duty truck line is reportedly getting a new turbo diesel. According to an insider who spoke to Lightning and Holman on The Truck Show Podcast, we're in for a new head ...