Is the Duramax LLY a good engine?
Similar to the LB7, the LLY Duramax is reliable, powerful, and lacks most of the emissions found on modern day diesel trucks like the L5P. LLY Duramax trucks don’t suffer from the same injector failure problems that LB7 trucks frequently had. Instead, many LLY Duramax problems stem from overheating.
How much HP can a stock LLY handle?
Without engine work, the stock LLY can put out ~500rwhp.
Do LLY have injector issues?
Thankfully, the LB7 injector problems were resolved, but some new problems revealed themselves. Some of these 6.6L LLY Duramax engine problems stem from the fact that it has significantly more horsepower and torque compared to the original Dmax. In fact, a number of other common 6.6L LLY Duramax problems exist.
How do you know if you have a bad head gasket on a Duramax?
If your temperature gauge suddenly starts running colder than it always has, you may have a head gasket problem. The quickest and easiest way to check for combustion pressure in the coolant system is to squeeze the upper radiator hose while the truck is running.
What was the last 6 cylinder Chevy truck?
L25 Chevrolet 6 cylinder The L25 was GM’s “last” pushrod straight-6 engine, produced from 1977 to 1988. It was used in Chevrolet trucks, displaced 292 cubic inches (4.8 L) and produced 115 hp (86 kW) and 215 ft·lbf (292 N·m).
What kind of engine does a Chevy 6 cylinder have?
This engine was also used in Chevrolet trucks. The New Chevy 6 was larger again with 216-cubic-inch (3.5 L) it boasted a 3.500” (88.90mm) bore and a 3.750” (95.25 mm) stroke. A four main bearing crankshaft & a raise to 6.5:1 compression the new engine produced 85 hp (63 kW).
When did the Chevrolet LE3 6 cylinder engine come out?
The LE3 was a 250-cubic-inch (4.1 L) I6 engine produced from 1979 to 1984. 292 C.I Chevrolet 6 cylinder The 292 was only used in Chevrolet and GMC trucks; the block deck is taller, along with a relocated passenger-side engine mount. These were produced between 1963 to 1990; production of the engine shifted to Mexico after 1984.