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I'd like to think I got a pretty good grasp on automotive stuff. My hunch is I'm just fooling myself.
There is tuning software available for the Escort, but it cost more than what I'd be williing to spend. Besides Autospeed has published some pretty simple do it yourself lean burn articles. I'd avoid the EEFI, your ECM will just learn it's way around that mod. AutoSpeed just put a relay on the O2 sensor to disconect it so the ECM would put the car into open loop so it would determine mixture off the MAF. Then they just put a Pot on the MAF and nice wideband to get the right ratio. Basically a relay box to turn off the O2 and add resistance to the MAF. Simple but efffective. I've seen ZX2 guys run as lean as 17.3-1. So I know there is some room for improvement.
I'd like to try this next year, just gotta save up for a wideband. Maybe this is evidence that can help me justify a wideband.
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