You've added horsepower to your diesel. You want the extra insurance to make sure your cylinder head and gasket stay safe. We turned to the experts, ARP.

Analyzing the top color picks of late-model trucks

More than just a black-and-white issue

The late Vic Edelbrock Jr., turned his family business into an iconic dynasty, and protected the entire aftermarket automotive parts industry against government over-regulation through perilous times.

It's Wrecked Truck Friday! Here's a 2005 Dodge Ram 2500 that doesn't care too much for Priuses, but has no problem going head-first into solid objects. Save it or let it rot? Find out and decide!

Biodiesel is a curious subject, and one which we delve into in this installment of Chick's Corner. Messy? Maybe. Dangerous? Slightly. Worthwhile? Well...

These were the most amazing and rip-roaring diesel vehicles we saw in 2016. From Irish Mazdas to twin-Cummins trucks, there were some real showstoppers to be seen this year! Check 'em out!

From diesel swaps to Cummins breakup rumors to Duramax announcements, Diesel Army had a heck of year in 2016. Take a look back at our top 10 most popular articles right here!