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392 dyno

  1. High Horse Performance
    We finished up this 392 Ported Heads and Camshaft package vehicle back in December on a 2012 Chrysler 300C SRT-8. The heads are stock 6.4L heads that have been CNC ported and upgraded with PSI Springs, Manley retainers and locators. The Cam is the Comp Cams 274 limiter camshaft and we also used...
  2. Peak Speed Shop
    2012 Challenger 392 shows great gains from having intake manifold ported by Peak Speed Shop and adding 90mm Throttle Body: 18 Gain in Peak RWHP 26 Gain in Peak RWTQ Good gains were seen throughout the power curve. 2012 Dodge Challenger 6.4L 392 Yellow Jacket. A tune was done prior to the...
  3. 392 Dyno

    392 Dyno

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