no i appreciate what your saying, omex and a zetec isnt cutting edge stuff but the basic principle for the modern very high compression in comparison to the days of cvh and a chip is quite simple, good mapping, knock and lambda capabilitys. But on the other hand 9:1 isnt exactly high compression and if it doesnt work it can always be lowered for not that much money considering.

On the upside to 9:1 it will offer better off boost drving and also better fuel economy off boost.

On the up side tho for a 2.5k build (with all of those parts except the clutch, turbo and flywheel as they were from a previous project) plus mapping its not going to be a bad learning experiance if it does fail in spectacular fashion.