Analysis: A good case for Cold Air Intakes

I have been writing a series for the website covering street tuning of ignition maps. I believe I have come up with a dyno-free method that may or may not work; you’ll have to wait to find out.

The process requires a series of 3rd gear pulls at Wide Open Throttle (WOT) with varying offsets of ignition advance. I was expecting to see a strong correlation between power and ignition angle, with more advance giving more power; as the map that is currently in there is highly conservative.

The baseline was repeated to check consistency, but ultimately the consistency was poor.… Read More