What are you currently driving? You could probably save yourself a lot of time and money if you just change your driving habits and very little modification if you are only trying to achieve 36mpg combined. Trying to add a turbo will only decrease FE, add HP and cost you a lot of money. You will never earn your money back from the upfront investment.
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Best Tank = 42.72 mpg (in the 94 Del Sol)
CR-Z Current Mods:
Max Sidewall PSI
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