Quote:
Originally Posted by AdrianD
Later edit:
About the soot on the tailpipe, as far as I know Miatas are tuned rich from the factory. If you want to get that out of the way, take a look at Speeduino, open source ECU. Cheap, already available with plugs for the Miata wiring harness and tunable with the same software as Megasquirt.
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There's also the air-flow meter adjustment that will lean it out.
Oh and between my cleaning the ground connections and installing a heated O2 sensor, my tail pipe isn't quarter as sooty as it used to get.