![]() The royal purple engine oil is wear protection oil moreover, it also protects LSPI. ![]() Provides more extended engine protection.The redline provides top-of-the-line wear protection.The oil has the highest protection possible moreover, efficiency, superior drain intervals, and cleanliness, you cannot go wrong with it.It gives the viscosity possible for your engine.Moreover, the detergent additives deduct oil change duration and also keeps the engine cleaner. As it reduces friction and enhances wear protections. However, if you compare its applicability, performance, and how much you are getting, it is worth the money.Īnother thing there is less effect on polyalphaolefins, which gives you a great advantage. Moreover, it also has marine applications, so the price is slightly higher than most oils in the market. It is a full syntactic easter oil that you can use in passenger vehicles, performance cars, and light trucks. Moreover, it is also one of the most popular brands in the market now, due to its applications and a bigger package. A syntactic oil corporation precisely delivers oils for Audi, BMW, Volkswagen, Mercedes Benz, and Porsche. The Redline engine oil is famous for its turbocharged applications. On the other hand, the Royal purple comes in a 5 quart or 160 ounces bottle. royal purple gives you an overview of both engine oils however, the Redline comes in a 1 Gallon pack. Generally speaking, the diesel engine just cannot/does not require high rev to obtain sufficient torque/power output.The comparison table on Redline vs. Other factors also contributes like the heavier build of diesel engine (larger momentum), higher compression ratio (longer stroke). The unique model of diesel combustion basically determined that the process of combustion has included mixing and combustion, unlike gasoline engines which allocates the mixing process in the intake or compression stroke, leading to an overall faster process. In this model, the rate of combustion is determined by the rate of fuel/air mixing. Until this point, the fuel injection is still happening (for conventional diesel combustion) which then leads to a diesel-engine-specific combustion model: mixing controlled combustion. In diesel engines, fuel is injected into hot air (the result of compression) near the TDC, which would take awhile (ignition delay) before the fuel-air mixture auto-ignites. All these would result in a relatively quicker combustion process. In a conventional gasoline engine (PFI or SIDI) fuel and air are largely pre-mixed before the spark event (which controls the start of the combustion process) which then leads to a fast propagating flame front that consumes the compressed fuel/air mixture in its path, even for SIDI the fuel injection timing is usually very early with respect to the engine top dead center (TDC). Paulster2 is right, varying the injection timing with respect to the engine crank angle timing is the main way to control the combustion process in a diesel engine. The diesel does not combust as much as petrol, it needs to be compressed to a much higher extent to combust thus the cylinder head, the piston, the crank everything needs to be heavy duty to withstand the compression explosion thus slowing down the speed of the piston.ĭiesel burns slowly compared to petrol and for most diesel engines the limit is around 4800 to 5000 RPM.Īdding clarity to the above point, in a petrol engine almost 95% of the fuel is burnt in every stroke but in the diesel engine not all of the diesel is burnt in each stroke due to the slow combustion rate some diesel remains in the cylinder before the next stroke so no matter how hard you push, that small quantity of diesel will not burn before the piston is ready for the next stroke thus limiting the speed or redline. The petrol engine natively combusts so it does not need heavy duty parts to withstand the explosion, yes you are compressing the fuel but its not nearly as much as the diesel, that is why 100cc motorcycles rev like crazy they have lightweight construction (cranks, pistons). By strength of the elephant I mean torque in the engine. The Diesel engine is like an elephant, its slow and has a lot of strength, but needs heavier legs to support the huge body mass thus it cant run as fast as the cheetah but has a lot of strength. Think of the petrol engine as a cheetah, it has lightweight bones and has a streamlined body thus is very fast but is not powerful enough to kill a lion or a rhino. In Short its based on low burn rate of diesel plus the longer stroke of the diesel engine.įirst you must understand the difference between these engines, the diesel works on purely compression of fuel, heating and generating bang to produce power, the gasoline on the other hand is natively twitchy and needs a spark to explode and produce power on its own.
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