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fuel mileage mpg

  1. Better gas mileage... By going faster?

    Classic Tech
    So, about a month ago, i posted a thread about the terrible mileage i got with my stock 289 (around 13 MPG on the freeway!). Thanks to the many responses :worship, i found that the problem was a combination of the vacum advance, as well as the timing being way way off. Now i am getting around 15...
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