Last summer, when diesel hit stratospheric highs nationwide, reaching roughly $5.45 a gallon in the L.A. area, lots of folks thought the good ol' days of cheap, or even mildly affordable diesel were ...

Optimum exhaust flow is critical to maximizing the efficiency of any engine. After all, an engine is just a sophisticated air pump – and the easier it is to move air in and out, the more efficient the ...

The Chrysler engineers didn't get their degrees out of a Cracker Jack box. The engine and transmission on eight-lug trucks have been designed for OEM specs. Adding power chips, exhaust manifolds, and ...

If you've never heard of EGT (Exhaust Gas Temperature), don't feel bad. You're not losing points in Diesel Owners Club 101. But you should know it. There's more to that smoke coming out of your ...