Whisteling Noise from Carb
#2
Guest
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Mine did the same after I changed from stock to Weiand Stealth intake. I looked for hours thinking I had a vacume leak. No leak and others have reported the same. One guy had twins and one motor whistled, the other didnt. JUst tell your friends its the turbo spinnin up.
#4
Registered
Ditto on Holley 800 with K&N. Chased belts and vaccum leaks. Seems more pronounced with certain temps and humidity levels. The K&N does not muffle the sound as much as the Purolator filter I was running before. I think it sounds like money getting sucked into the engine!
Tim T.
Tim T.
#9
Guest
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I've got mechanical secondaries and mine whistle. They will usually make noise when I'm about 1200 rpms and go away when I come on a plane. I think it may be the holes drilled in the blades. Maybe the burr on the back side caused by the drill is causing the whistling. I'm running 750 holleys on small blocks. I seems common to holleys. I gave up trying to find out why.