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Here's a photo of the supplied ignition file. Again there is no evidence that this is a good known ignition MAP.I still believe a pressure retard MAP is the most useful, It directly relates to manifold pressure so changes like turbo types, valve timing and piping (things that can change the time and amount of boost at specific RPM) are compensated for without re mapping. I'm looking at about a 1.5DEG per psi reduction in timing.
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