Re: Whistle coming from carb area?
All three of the last Demon carbs I ran had the "whistle" and I chalked it up to the design of the venturies and boosters. There were no vacuum leaks on mine. That was the least of my worries, the eye-burning rich idle circuit on each of them was the nail in the coffin.
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'20 Silverado Trail Boss ~ '17 Tahoe ~ '79 K15 Sierra Grande ~ '76 Blazer 2wd ~ '71 Cheyenne swb ~ '55 Pontiac Safari ~'50 3100 bagged ~ '80 Wife ~ Late model kids
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