Mileage gain from tuning DFCO?

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11-12-2007, 10:11 AM

#11

Compressor Surge

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Quote:

Originally Posted by BlackGMC

You might look into lowering your O2 switch points for some MPG gains...

I'm running open loop speed density on an EFI Live COS5, and I've got my light load fuel commanded to 16:1

Works pretty well. Haven't got any solid mpg numbers yet, but based on monitoring the fuel economy PID, it looks like my heavy brick is averaging 18-19 at highway speed.

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