Since they say everything’s bigger in Texas, it’s no surprise that Texans like their trucks big, too. Jesus Zubia, who hails from the Lone Star State, is a fitting example, having owned a slew of lifted trucks. The latest is the 2015 GMC Denali shown here. More about all the mods in a moment, but first some background. Zubia has lots of brothers in arms, since Texas is the largest market for new pickups in the United States. More large pickups are purchased in Texas than the next three largest truck markets— California, Oklahoma, and Florida—combined. Zubia lives in Midland, Texas, named for being the midway point between Fort Worth and El Paso. Cattle and oil have figured prominently in the city’s history since its founding in 1881. And what’s a ranch hand or an oil worker without a pickup truck?
Duramax 6.6L Valve Adjustment Duramax Diesel Pickup Truck This is one method used to set the valve lash on your duramax engine Valve adjustment should be performed anytime the heads are removed. It's also good practice to adjust valves during service that require valve cover remove. TDC (Top Dead Center) First start with, locating the timing mark on the front engine cover and the harmonic balance. Rotate the crankshaft in order to bring the number 1 cylinder to TDC (Top Dead Center) of the exhaust stroke. This mark should be aligned with the mark on the engine. To adjust the valves, start by loosening all the jam nuts with a 14mm wrench, you will also need a flat screwdriver to make the adjustments. Adjust the valve using a .012" feeler gauge Use your .012” feeler gauge between the rocker arm and the valve bridge as pictured. The correct setting is had when there is slight resistance when moving the feeler gauge. It should not be so tight th