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Right, the problem was I bumped the sg's adjustment up a little bit tank by tank at fillup until most of the gains were gone. Eventually I removed my hai because once it was built to provide decent heat driving on the interstate, then it cause drivability issues in traffic. After removing the hai then I needed to adjust the sg back down at fillups.
Just saying, for me, on my car, the hai fooled the sg far beyond my actual gains
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