A common issue with the GM 6.6L Duramax engine is white smoke at idle. Worn and damaged injectors are often the cause however there are other causes and considerations that should be looked at prior to injector replacement.
INJECTORS STUCK OPEN OR WITH EXCESSIVELY LEAKING NOZZLES DIANOSIS
1. Remove IGN 1 relay.
2. Remove the glow plug from the suspect cylinder(s).
3. Crank the engine and check for fuel spray coming out of the glow plug hole. Caution: Make sure you are not in front of
Attention Students.. Attention! Don't make me...
In 1998, General Motors and Isuzu teamed up to establish engine manufacturer DMAX Ltd to create a brand-new diesel engine that would be the first high-pressure common-rail, direct-injection powerplant to hit the U.S. vehicle market.
2000 – GM debuts the LB7 Duramax diesel engine with 300 hp and 520 lb-ft torque in ’01 ¾- and 1-ton trucks. The 6.6L V-8 turbodiesel engine featured aluminum heads with 32 valves on a cast-iron block, hig
I know Ford used Caterpillar Diesel Engines in some older Ford trucks and I was curious who owns Caterpiller and I was very surprised to find out that Caterpillar engines are copies of the Cummins motor and also a Cummins owned company.
Now who owns Cummins? No one does, they own themselves. Ram was the first company to come to Cummins and ask for them to make a diesel fo their trucks which produced the first light duty truck in 1989. This is the same engine that was found in Case agricu
LB7 is 300 hp (injector issues, but there are upgraded replacements;5 speed trans)
LLY is 310 hp ( some over heating issues that upgrades can resolve, some say is a detuned LBZ;5 speed trans)
LBZ is 360 hp (great and modded easily;6 speed trans)
LMM is 365 hp (great, but has the dpf but mods bring out its true potential, pistons may not handle extreme hp very well 600+hp;6 speed trans)
Clessie Cummins worked as a chauffeur and mechanic for William Irwin, a banker in Columbus, Indiana. Although he had no formal education beyond the eighth grade, Cummins had a keen knack for the mechanical, which was noticed by Irwin. Legend has it that when Cummins was only 11 years old, he built his own steam engine from molten cast iron he poured into wooden blocks that served as molds. His homebuilt steam engine was used to pump water for his father's farm.
Cummins was convinced diesels
