Once a solution is employed to reduce crankcase pressure, the result is “free horsepower.” This is “free” in the sense that no additional fuel needs to be burned to realize the power. For the rest of us, the benefits of the lower-cost alternatives are well worth the cost. For those that can afford the expense, there is no substitute for a well-designed, high-quality dry-sump system and all of the benefits that can be delivered. Even on the high-end, this may only represent less than 25 percent of the cost of a dry-sump oiling solution. These solutions may be achievable for under $100 to upwards of $1,500. Optimized crankcase ventilation systems and the addition of a vacuum pump can swing positive crankcase pressures to zero (atmospheric) or even negative values (vacuum). Text by Michael Ferrara // Photos by Joe Singleton // Illustrations by Paul Laguette Fortunately, the benefits of reduced crankcase pressure can also be accomplished by simpler and more cost-effective means. The cost and complexity of a dry sump oiling system puts it out of reach of many.
INSTALL OIL CATCH CAN WITH OFFSET BRACKET PRO
While many high-end classes of racing from Formula One to Pro Stock rely upon dry sump oiling systems that run the crankcase at negative pressure (vacuum), few entry-level racecars and even fewer street cars benefit from the negative crankcase pressures of a dry sump oiling system. While many understand the merits of increasing the pressure of the air going into the cylinders, fewer understand the virtues of decreasing the pressure within the crankcase. Crank up the boost pressure, get more power. It’s no secret that higher boost pressure translates into higher torque and power outputs.
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