85 mph in a 1 ton chevy dually and watching the gas gauge go down faster than the speedo was going up!

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1989 xlt 4x4 "problem child" ranger
2.9 ltr KnN cold air intake, 88 2.9 throttle body
jvc stereo, kicker speaker 6x9s, 2 12 kenwoods with 1000 watt kicker amp and 4 gauge wiring. 153.2 decibels. My baby the Ranger