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Remapping ECU for lean burn
I have a Honda VX with a D15B JDM full swap. It's Mpg is only about 30 city and 40 hwy. I thought why not chip the ECU, remap the fuel and timing with CROME to provide less power when not needed. Basically lean it out a little. I don't see why this wouldn't work. I can also hook up a switch to be able to switch back to the standard 130hp fuel map on the fly.
When just running around for erands or long boring highway runs, why not be a little leaner? I understand too lean you get predetination if the timing is too advance, but this can be tuned. We all know that the VX D15Z1 can do 20:1. My D15B is a close cousin.
Most people who tune the imports are compensating for turbo's, large injectors, higher compression etc.. So we can go the other way. So what if the car has a little less getty up.
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