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> cherp cherp, funny noise
80cap
post Jul 2 2017, 04:11 PM
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Test driving my new rebuilt engine and car, I have a small squeak or cherp sound at idle. Would that be a exhaust leak or intake? I'm guessing an exhaust leak. It is running pretty good, still have several bug to work out.
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iankarr
post Jul 2 2017, 04:31 PM
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What kind of cherp? Like a whistle or a squeak? Occasional bird-like tweet? Exhaust Leaks usually make a popping type sound. Whistles can be vacuum leaks. Squeaks can be things like the alternator pulley. Can you take some video or a recording of the sound? I'm sure someone here will pinpoint it for ya.
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bandjoey
post Jul 2 2017, 04:58 PM
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Carbs (what kind) or FI? That'll help too
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Tom_T
post Jul 2 2017, 05:25 PM
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If you have the OE distributor - did you remember to put a little grease on the cams & arm-ends of both the ignition points & EFI trigger points? (IMG:style_emoticons/default/confused24.gif)

That's what it sounds like to me from your description - & it would happen at all speeds, but be hard to hear at the faster RPMs.

Happy 4th! (IMG:style_emoticons/default/flag.gif) (IMG:style_emoticons/default/beerchug.gif)
Tom
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TheCabinetmaker
post Jul 2 2017, 07:21 PM
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I agree with Tom. Dry diz shaft. Chirps like a bird.
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McMark
post Jul 2 2017, 08:37 PM
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Lower alternator bolt.
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914_teener
post Jul 2 2017, 09:29 PM
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(IMG:style_emoticons/default/agree.gif)


Sounds like sheet metal on metal.

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