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Re: Help intake manifold.
Just for anyone that has a similar problem I called trick flow, they said that if you use a BBK throttle body there is a little hole on the throttle plate which makes a whistling noise when the air is sucked in. I drilled the hole to make it a little bit bigger and the whistling went away.
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1988 Mustang 5.0 5spd/CAI,BBK 65mm TB,BBK underdrive pulleys, Flowmaster catback, E303 cam, headers, mass air conversion, Steeda tri ax shifter, 3.73 gears, Trick Flow street intake, 3g 130 Amp Alt.
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