SOI Advice

[bazdan902]

I would think cooler air and colder fuel all retard your timing.... I think your most at risk on a hot day under full load with timing to far advanced. As far as air being denser in the cold is true and theoretically advancing your timing,, to my understanding the ECM calculates for this based on the readings out of your intake manifold pressure/temperature sensor. Also as far as the turbo in @m*m^2 being fixed I think this true in the sense that they are bound to the minimum and maximum vgt positions by MCF tables dictate where it needs to be within those fixed points to create the proper charge flow... My understanding of it anyways