What causes a diesel engine to run rough?
This is caused by excess lubricating oil within the engine cylinders during combustion. The excess oil gets burnt and is emitted as blue smoke. In this case, the engine will usually experience a rough start-up, with the idle smoothing out after about 30 seconds.
What is considered high mileage for a 5.9 Cummins?
Cummins is the brand of engine found in the Dodge diesel and Ram diesel truck lines. Like the Duramax, Cummins diesel engines can be expected to last a long time. Between 350,000 and 500,000 miles is usually considered high mileage on a Cummins diesel.
How long will a 5.9 Cummins last?
Cummins published figure is an MTBO of 350,000 miles, or about 10,000 hours.
Is the 5.9 Cummins reliable?
Outside of the fuel system, the 5.9 24v is a very reliable engine. The engine internals such as the pistons, rod, and crankshaft will last a lifetime and can hold up beyond 500,000 miles.
Can you put a 5.9 head on a 6.7 block?
5.9 head on a 6.7 block is stretch anyway because of the lack of coolant passages the steam holes replaced. For a DD not as big a problem as a working truck so approach with that in mind. The 6.7 injectors require a different voltage and amperage profile the 5.9 does not implement so they simply do not work well.
What is a 6.4 Cummins?
A more recent development by diesel performance enthusiasts, the 6.4L displacement cummins is created by the combination of a 5.9L cummins crank in a 6.7L block. With longer connecting rods to compensate, this creates a displacement of 6.4L.
Is 12 valve or 24 valve Cummins better?
The 12 Valve engine is hands down more reliable than the 24 Valve. Even guys who have spent the money to get an aftermarket lift pump (a must with a 24 Valve, along with a fuel pressure gauge) have gone through multiple pumps.
How much horsepower does a 5.9 12 valve Cummins have?
5.9L 12v Cummins Specs
| Production Years: | 1989 – 1998 |
|---|---|
| Weight: | Approx. 1,100 lbs dry |
| Oil Capacity: | 12 qts w/ filter |
| Governed Speed: | 2,700 rpm |
| Horsepower: | 160 – 215 HP @ 2,500 rpm |
What’s wrong with a 53 block Cummins?
Fatal Flaw 2: The Weak 53 Block It’s known as the 53 block problem, because these engine blocks have the number 53 cast into the side of the crankcase. After years of use, the 53 blocks tend to crack until coolant starts to pour out the side of the block. This is an issue that many people kid themselves about.
Are all 99 Cummins 53 block?
Between 1999 and 2001, the Cummins 24v engine blocks with casting # 53 were manufactured by the Brazilian company, TUPY. It has been approximated that some 100,000 24 valve Cummins ISB engine blocks have a 53 casting and are of concern.
What years did dodge make the 12-valve Cummins?
Meet the 12-valve version of the 5.9L Cummins, produced from ’89-’98.