Artigo Completo:

The competitiveness of the Brazilian market and the adverse economic scenario brought to agricultural producers and industry entrepreneurs the need and growing dependence on Government incentives such as FINAME for modernization and updating of their machinery and equipment, on the other hand the legislative requirements - as emissions legislation MAR-I for agricultural and industrial machines-promote the search for increased efficiency in internal combustion engines in terms of performance, emissions and fuel consumption. This scenario directs the auto industry to develop and use statistical tools that assist in the calibration process of these new engines, reducing time, cost and improving the quality of the product, making it the most attractive in cost-benefit terms to the final customer. This work aims to present a methodology for use of these statistical tools to increase the efficiency of the calibration and combustion optimization process of diesel engines, developing combustion capable of meeting the requirements in the MAR-I emissions legislation with the best fuel consumption that the engine can provide.