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Get to know your Injectors
Injector cups, tips, sleeves, and tubes; there is some confusion in the industry about what these parts do and where they are. Injector cups are mounted on the injector. It is where the injector plunger compresses the fuel and injects it into the combustion chamber. The cup, sometimes called the tip, is at the bottom of the injector and has the small holes, about .008 diameter, and atomizes the fuel and works in conjunction with the plunger. Years ago when building the injectors for the Big Cam Cummins engines we would lap the plunger into the cup so when the...
Victory Road Truck Show, Electrical Problems, Dyno tuning, and more!
HIGH PERFORMANCE DIESELS Pittsburgh Power and Long Haul Detailing hosted the Victory Road Truck Show on Saturday, October 3rd. This was our first truck show, and it was a huge success. 97 trucks, antique trucks, a couple Rat Rods, some pickup trucks, and one 1-ton Chevy that was powered by a 3126 Caterpillar Engine. There were vendors selling truck related items, food trucks, plenty of dogs (the 4-legged type), and many people enjoying themselves on a beautiful Western Pennsylvania Fall afternoon. We filled two parking lots with cars from spectators. We had dyno runs at our facility and even a...
Pat Sharp, BigCams and 435-B Cats
HIGH PERFORMANCE DIESELS We love antique trucks. Everyday we get phone calls from owner operators rebuilding older trucks powered by Big Cam Cummins and 425-B Caterpillar Engines. I am happy to tell you that our mechanic Dan is a 425-B Cat expert not only on the engine but the fuel system as well. He tells me he can rebuild the fuel pumps blindfolded. Fortunately, 425-B Cat parts are still available and we build 30% larger nozzles and high-performance turbochargers for this great engine along with rebuilding the timing advance and fuel pump governors. Please keep in mind that the timing...
Pete 379 and the new Engine Polygraph
With great pleasure I am introducing you to a very special old school owner operator from Mississippi. JR Hillhouse’s beautiful black 2007 379 Peterbilt is powered by an NXS Caterpillar that JR’s gets his hands on every Saturday. You see the old school way of trucking was to drive for 5 days and work on your truck the 6th day. This is what JR does. He changes his own oil (Mobil 15-40), greases, replaces the brakes, tires, washes and waxes the truck. This Pete gets hand washed at home every Saturday, waxed every 2 months with McGuire’s and an F-11...
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