Diesel powered classic Impala 'pwns Lamborghini

Running a Duramax diesel engine swap, the classic Impala lays a good beating on the modern and chic Lamborghini despite it's older and less prolific status. Let's face it, the Impala is no speed demon when left stock, especially when under comparison to the modern Lamborghini. A quick warm up of the tires, and the murder is about to commence. Watching this heavy land ship on wheels literally destroy a Lamborghini is the ultimate pleasure for muscle car enthusiasts. Upon watching this video, I begin to wonder why exactly he swapped to a diesel motor instead of dropping in a crate motor? Special thanks to our friend "Salman P" for suggesting this video.

The beauty about diesel is the compression ratio. Adding boost to these high compression motors only creates even more power, and the massive amounts of fuel dumped into the cylinders for combustion keeps the EGT's nice and low. With the ability to run upwards of 30 pounds of boost, even a modern truck with a simple re-tune of the ECU can attain 700+ foot pounds of torque. Needless to say, the diesel Impala isn't such a bad idea once the science behind compression is understood.


So let's uncover the myth behind boosting a diesel engine. For the sake of an easy example, lets just say we have a compression ratio of 10:1 and a turbo that is boosting 10 pounds of PSI. Once the pressurized air of ten pounds per square inch enters the combustion chamber, it is then compressed yet again at a 10:1 ratio. For every 1 unit of ambient gas, it is compressed ten fold. So now our 10 PSI is a stout 100 PSI; and thus the power of diesel performance is shown. This brings up the question, why are most tuners running standard gasoline engines instead of diesel? One simple word, "weight".

Video content: Diesel Impala races Lamborghini


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Source: Tampa Sports Car Examiner