This page contains instructions for the two labs conducted.
Lab 1: Engine Disassembly (PDF)
Lab 2: Engine Performance and Emissions Measurements (PDF)
The specifications for HF437 gasoline are helpful for analyzing the results of Lab 2; please consult Table 1 in Shockey, Richard E., et al. "Optimal Ethanol Blend-Level Investigation." Grand Forks, ND: University of North Dakota Energy & Environmental Research Center, November 2007. (
PDF - 1.0 MB)