Static sound in cab but actually whistle when moving air cover off
This has shown up recently. Thoiggt it was radio static. Got less when i pushed accel, sort of disappears, i heard it at dump when i got out one day, pulled off air cleaner. The video is kinda harsh because i hqd it very close to carb. You can hear when i tap accel rod, it quits. Its sounds loke a whistle. Any thoughts?
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Permalink Reply by Kim K Kaiser on
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Also, at low speeds, it kind of is non existent, like slow crusin in town, this mainly happens on the road.
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Permalink Reply by Kurt on
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I had the exact same problem. It would come & go but seemed to be related to engine temperaure. Turns out it was an intake manifold gasket leak. The gaskets were the thin metal type. I replaced them with Best 14046E (https://vintagecarburetorsandgaskets.com/shop/intake-manifold-set-1...) which are thicker non-metal gasket material. Solved my problem.
Here's is the whistle. https://drive.google.com/file/d/10RgTbdSpvkc-5TbMoObfhO7NFzNmgHk8/v...
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Wow, thats identical! Thanks
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It was intake manifold gasket. I chged it while back and it disappeared
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