How to tell the difference between CP3 and CP4?
Basically whe a cp3 quits working it just quits without exploding. It’s typically a slow decline. The cp4 on the other hand doesn’t have a pinned piston and if it rotates slightly it tends to explode and send tiny bits of metal all through your fuel system.
Does Duramax use CP4 pump?
The CP4. 2 is used in GM 6.6L Duramax LML, Ford 6.7L Power Stroke, and 2019-to-present 6.7L Cummins powerplants.
How does the fuel pump work on a Duramax?
Finally, once the pressurized fuel enters the injector, it either gets sprayed directly into the cylinder to make a big boom, or if there is extra, it flows back to the tank through the injector return to start its journey all over again.
How many horsepower does a GMC Sierra Duramax have?
2008-2010 GMC Sierra & Chevy Silverado HD 6.6L LMM Duramax Specs Manufactured Years: 2007.5-2010 Fuel: Diesel Fuel Tank Size: Short Bed: 26 Gallons Long Bed: 34 Gallo Max Engine Speed: 3,250 RPM Horsepower: 365 horsepower
When did the LMM Duramax diesel engine come out?
The LMM Duramax refers to Chevrolet Silverado HD and GM Sierra HD trucks equipped with the 6.6L Duramax diesel engine between the years of 2007.5-2010. It was very similar to the LBZ, but it featured an all-new emissions device, a diesel particulate filter.
What kind of lift pump does a Duramax have?
This is true on every Duramax from the LB7 in 2001 to the LML in 2016. Interestingly enough, the 5.9 and 6.7 Cummins trucks which were equipped with an almost identical CP3 were equipped with a lift pump, and the newest L5P Duramax has one, all of which suggests a lift pump is an important part of a diesel fuel system.
What was the performance of the 2008 GMC Sierra?
Note: This performance review was created when the 2008 GMC Sierra 1500 was new. Despite having very good power and handling and numerous engine and suspension options, the 2008 GMC Sierra falls toward the middle of the class for its performance.
Finally, once the pressurized fuel enters the injector, it either gets sprayed directly into the cylinder to make a big boom, or if there is extra, it flows back to the tank through the injector return to start its journey all over again.
This is true on every Duramax from the LB7 in 2001 to the LML in 2016. Interestingly enough, the 5.9 and 6.7 Cummins trucks which were equipped with an almost identical CP3 were equipped with a lift pump, and the newest L5P Duramax has one, all of which suggests a lift pump is an important part of a diesel fuel system.
What’s the compression ratio on a GM L8T?
Finally, the L8T’s compression ratio runs at 10.8:1, while that of the LT1 is 11.5:1. Without any further ado, behold the specs for 6.6L V8 L8T GM engine.