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  1. My 1967 Cougar 347 EFI visits the dyno as well

    High Performance
    Here was the last pull on a Dyno Jet. Made 358rw/Tq at 3900 rpm, and 336rwhp at 6100rpm. The tuner said that brand is usually low by 20-30hp/tq when he compared it to a chassis dyno he uses as well. Not bad. Dyno pull:
  2. dyno_tune_3


    On the rack for babys first dyno tune