We recently caught up with Craig Johnson of Big Power Diesel in Palmdale, California, and followed along as he performed a few of these budget-minded upgrades (and some basic repairs) on a 1992 Dodge truck.Diesel-powered trucks have really evolved over the last 20 years, from chugging workhorses to action-packed powerhouses. In the mid-'90s, a brand-new diesel rig might have given you a little more than 150 hp—if you were lucky.

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Photo Gallery: Updating A 1992 Dodge Truck With An Exhaust And Cheap Fuel Tricks



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