5,620 RPM Sounds Glorious

While testing our Whipple supercharged Duramax at a somewhat lean 18:1 air-fuel ratio, Gale Banks pushed the Diesel engine to see how much power it would produce. After hitting a respectable 666 horsepower, he asked Aaron, one of our engine calibration engineers, to test its transient response. In other words, would the engine respond quicker than the 540-inch blown methanol monster truck engine it was designed to replace? Gale’s reaction says it all.

Full Video Transcript

00:00 I want to push this 5 liter Whipple  as far as it will go you want to see what happens let’s see what  5,500 will bring us 18 to1 air fuel load her up load her up load  her up load her up keep coming keep coming that’s it huh that was 18 to one 18 to1  the last thing I want to try is bring it up to

00:37 1,500 RPM and do a wide open throttle  slam let’s see how it responds go for okay okay man that thing’s responsive 540 inch blown alcohol Chevy you got  nothing on us this is a diesel

To see how supercharged systems can benefit your diesel, check out How to Screw Up Diesel Combustion where Gale Banks explains the importance of combustion for power delivery.