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post #1 of 1 (permalink) Old 09-21-04, 04:34 AM Thread Starter
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Location: Canberra
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sound coming from back of holly

I have a 250 - 2V with a 350 holley, lately there has a really high pitch scream (sort of like when you make the high pitch noise come out of a baloon, only a shit load louder) coming from the back of the holley (took a bloody week to fine the noise) , it changes pitch with the rpm, some times it sounds like there are multiple screams. thought it might be the vacum seals, but what ever I move or wiggle around doesn't seem to make an effect on the sound. the holley was only put on bout 2 months ago, would this have an effect? thought that the holley may be a bit loose on the manifold and air is escaping out some where, but any help would be great. doesn't sound too good, cruizen past and sounds like somebody is trapped under my car and I'm dragin them along.... lol

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