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geo metro with stock compression and econ cam
i tried this with a Geo metro and a the 3tech economy cam
it is not an improvement in anything especially FE
there was so much unburned fuel and 02 in the exhaust that the 02 sensor was driving fuel trim to one extreme or the other , it was not consistent .
i have scan data logs and scope images
but
i was using 2.5 oz diesel to 1 gallon of 87 octane E10
top tier fuel in the summer time
and the stock G10 engine is not a high compression high performance engine
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