Dyno Tuning Basics - Jets, Timing, Camera, Action
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With both horsepower and torque on the rise, rather than changing jet sizes Keith recommended that the fuel pressure regulator be adjusted down to 7 psi from 7.5. Horsepower and torque both posted nice gains with 382 horsepower and 455.4 lb-ft of torque (increase of 5.1 hp and 16.1 lb-ft tq.). The A/F ratio at wide open throttle got progressively leaner and was now right at 11.3:1. View Related Article
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