Development of processes for the preparation of competition engines through the use of the flowmeter

Abstract

This work develops an experimental process to improve the power of competition engines through the use of a flowmeter. This equipment is essential in measuring the air flow within the engine's feeding system, which is key to optimizing both its power and volumetric efficiency. Through detailed analysis of the air flow, we sought to identify possible improvements in the configuration of the intake and exhaust ducts, which would allow maximizing engine performance in highly demanding conditions.

To carry out the tests, a methodology was established based on the evaluation of various configurations of the intake and exhaust ducts of the Cabezote of a 1200cc Nissan A12 engine. Both standard configurations and modified versions were used, and a controlled test pressure was used to measure air flow using the flowmeter. The process included a detailed analysis of the engine head, as well as measuring the variations in air flow that occurred as modifications were made to the ducts.

The results obtained demonstrated significant improvements in engine performance. In the case of the modified intake ducts, the air flow was increased by 6.34%, while the modified exhaust ducts showed an increase in air flow of 6.67%. These substantial improvements in air flow translated into a notable increase in the calculated engine power, which demonstrates the effectiveness of the modification process implemented in this experimental work.