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    Dyno results, what's wrong with my car

    Specs on the car: Safc 7mgte lex afm 550's built motor, all arp hardware stock cams Greddy manual boost controller Boss Lipp stage 4 to4e 60-1 turbo 20,000 miles on rebuild I'm getting a horrible 17mpg. The best I've ever gotten was 19mpg on a flat road for 200 miles straight. It...