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Old October 3rd, 2016, 02:27 PM
turbobill turbobill is offline
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Location: northern NY when not flying
Truck: 1968 HM80 with a 478M and a few engines plus a Toro-Flow
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Default Re: Loud squalling noise from Inline 6

Quote:
Originally Posted by rusty66 View Post
I am having trouble with my 250ci inline 6 stock engine. It won't idle. Carb looked dirty, black gunky inside so I have decided to rebuild the carb. The truck is also now making an awful sound like a cat squalling. Anyone that could help me figure out the likely cause, I would appreciate the help. The truck still has the generator setup.
Sounds like a vacuum leak. I've seen carburetor base and body gaskets act like a reed in a musical instrument, resulting in some pretty strange noises. Make sure everything is tight. Also spraying carb cleaner or some other solvent around suspected area's may help you find vacuum leaks too.
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