I port & polished of my 99 V6 about a year ago inspired by my want collect and solve for all the data involved with the numbers given from the manufacturer data sheet by figuring horsepower, from fuel flow, BSFC, RPM, Combustion Chamber Size, Compression Ratio, Volumetric Efficiency and a number of other values I can't remember off the top of my head. I am a DYNO without a DYNO haha