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You have to consider the intake air temperature as mass reduction as well as atomization enhancement. I have seen a thermometer reading of 160 degrees working outside in the sun on an engine, with the hood open. Hot soak temperatures in even not well sealed engine compartments reach a point where fuel under 60 PSI pressure can boil.
All that being said I think the IAT range might vary from brand to brand but at the maximum reading the percentages of density and temperature compared to normal become fairly small.
Higher temp is effective displacement reduction, while higher temperatures will enhance atomization, so you have two benefits. I dont think you will create preignition in this scenario, since you have lower effective mazimum compression as well as better fuel distribution.
Bottom line is the oxygen sensor is the final control of mixture ratios, regardless of what is coming in to the manifold, it is what is going out that creates the voltage reading that the system relies for final mixture adjustments.
That's heck of a nice clean installation t vago, I hope it gets you to 21 MPG average.
regards
Mech
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