its 425hp, is that slow?
i thought theyre hot rod engine
I got that, but i meant is it a good pulling engine? sorry for wrongly phrased question
only 1150lb? isnt that low by todays stansards?
sorry for stupid phrased questions, multi tasking
2. Cummins 855 Big Cam
Why We Love It: How could you not immediately fall in love with this engine from the name alone? Kind of rolls off the tongue eh?! The Cummins 855 Big Cam was the last real mechanical variable timing engine mass produced by Cummins in the 1976. The Big Cam replaced the small cam 855 and was the first engine by Cummins to meet the Clean Air Act and noise regulations of that time. There were four generations of the Cummins Big Cam 855 engines, last produced in 1985 and was replaced by the N14. We love the 855 Big Cam because of the raw horsepower it puts out as well as its reliability. You can easily run a Cummins 855 Big Cam 700,000 miles before an overhaul. The Cummins 855 Big Cam was the first engine by Cummins to utilize demand-flow cooling which only cools the engine when the engine demands it. This system then uses the saved horsepower at the crankshaft for more horsepower into the project at hand. The Big Cam II significantly upgraded performance by introducing pulse manifolds into the engines; these were a big selling feature in these engines at the time. Overall horsepower was the main reason this engine was a big seller over the small cam models. The Cummins 855 Big Cam had one of the largest camshaft diameters on the market at the time and features top-stop injectors. Talk to any old school truck drivers in the 1970s and they will tell you tales when the Cummins 855 series were the king of the road. Hard not to leave these engines off the best diesel engine of all time list. There were some drawbacks with the 855 specifically when trying to start the engine in colder climates. The 855 uses a lower pressure fuel injection system at 2,200 psi to power the injectors and varying timing specs, oil/water pump and valve spring pressures. That being said a glow plug or a shot of ether should do the trick to fix this simple issue because overall this is a great engine.
• Engine Type: Four Stroke, Six Cylinder, Inline
• Displacement: 856 ci (14 L)Best Diesel Engine - Cummins 855 Big Cam Picture
• Bore and Stroke: 5.50×5.98 in
• Fuel Delivery: Unit fuel injection
• Aspiration: Turbocharged
• Compression Ratio: 10:1
• Governed Speed: 1,800 rpm
• Maximum Power: Up to 605 hp
• Maximum Torque: Up to 1,118 lb-ft
Worst Cummins Engine: Cummins ISX
Why We Hate It: The Cummins ISX was originally released in 2001 which replaced the longstanding N14 engine of the late 80s and 90s. It was supposed to be the Caddalic and the best diesel engine every designed at Cummins. However that didn’t pan out exactly. The ISX was engineered with a dual overhead cam design; one cam accessed the valve train and the other took care of the actuating injectors. In 2002 the ISXCM870 integrated the Exhaust Gas Recirculation (EGR) which takes the exhaust gas and recirculates it back into the intake of the engine. What this does is lower the combustion chamber temperatures limiting the formation of NOx. A neat concept but there were many issues with this system that caused many engine failures. The main point of failure is the dual overhead cam design which overly complicated things and caused many snowball effect types of issues in the engine. Lastly, the early versions of the ISX had a whole host of issues with the ECM which caused a sour taste in many Cummins owners mouths. In 2010 Cummins re-designed the ISX with a single overhead design to simplify things but the damage was done. This was supposed to be Cummins entrance into the electronic world however it was much too complicated for its own good. It is rightfully so belongs off the best diesel engine list; disappointing indeed.