yeah get the basic maintenance done first. i'm past that point thankfully. i expect the MPG differences to be dramatic between the two.... as the FED ecu it is so easy to get it in, and keep it in lean burn - so automatically it would win - at least for speeds above 65mph that is. (since lean burn isnt really reliable below 65mph). even under the best circumstances, i couldnt ever get my CA ecu to really get into, and stay into lean burn. where as the FED ecu i can literally control it with how much i push on the pedal, a noob could do it. there is no fight, there is no battle to get into lean burn.
with the FED ecu, I can be flooring it up a hill, then quickly let off back to very low throttle for just a moment or two (14% TPS) - drop into lean burn, almost as easily as flipping a switch - then gradually reapply throttle to as much as 90% engine load and 32% TPS... its pretty sweet when its all working right. try that on a CA ecu
i'm very curious as to which is better for speeds like 58 to 60mph.
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2000 Honda Civic HX with mild aero mods
2006 Honda Insight MIMA, FAS, no passenger sideview mirror, race style drivers mirror, front and rear underbody aero, temporary front air dam
