The diesel performance industry is Willys Workshop booming and with good reason. These engines are economical, powerful and practical. In fact, they are now used in every type of racing from traditional truck and tractor pulling to drag racing and endurance racing. And the best part is that it is possible to gain serious power with a diesel engine and keep your warranty intact.

One of the biggest differences between gasoline and diesel engines is compression ratios. A gas engine typically has a compression ratio of 8:1 to 12:1. While a diesel engine can have a compression ratio up to 25:1. This higher ratio enables the engine to perform more efficiently and generate more horsepower.

Fueling Success: How Diesel Performance Enhances Fuel Efficiency”

To make the most of this, diesel engine specialists have found that increasing boost pressure helps with performance. This is done by adding bigger turbos and a cam that optimizes the turbo’s spool-up for maximum performance. The right cam will also allow the engine to maintain a more consistent and wider power band.

The bottom end of a diesel engine is stout with forged steel crankshafts and big connecting rods. And because these engines typically run at lower rpm, cam lobe and lifter wear isn’t a major concern. However, if the engine is modified for performance, higher rpms will place more load on the cam lobes and lifters. Therefore, the use of a quality racing oil or a camshaft additive that contains ZDDP (Zinc Dialkyl Dithio Phosphate) is recommended to help extend the life of these parts.

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