Re: Dry Ice in your fuel cell?
I had a cool can in my old car. My new one will have one too. Out west and at altitude in temps above 65 it was worth .08-.10. Had to be careful if temp and DA dropped cause I actually failed fuel check once. Also ran the "plumbing insulation" from home depot on the hard lines to help keep cool in. Also this was on a "bypass" style system. constantly recirculating.
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