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Squeak from car when I rev it up?

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Old Jan 8, 2011 | 10:46 PM
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BlazinZ28Y2k's Avatar
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Question Squeak from car when I rev it up?

Well here's the deal, if I rev the car above a certain RPM, I hear like a cricket chirping type noise when the car is in park, I don't notice it if I'm racing or anything that I can think of. I dunno if an exhaust can sound like that or not but that's where I thought it was coming from, the exhaust is dumped under the car, I dunno if maybe a lil material was left on the exhaust when it was cut and the airs hitting it and making the noise or what? It doesn't do it on light rev ups or if I hit the transbrake and hold the rpms at the peak (4k) and let off or anything like that, just seems like it only happens when the car is in park.

Mods are: th400 w/ tbrake, 4k coan n20 converter, SFI flywheel with spacer (bolts to the flywheel for standard th400 converters), 4.10s, lid, slp pulley, ported throttle body, QTP stainless longtubes, dumped exhaust with about 30" or so of total pipe with bullet mufflers included dumped under the drivers seat.
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Old Jan 9, 2011 | 01:04 AM
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Sounds like a blown exhaust manifold gasket. Are you using steel gaskets?
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Old Jan 9, 2011 | 07:41 AM
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Originally Posted by Greekey
Sounds like a blown exhaust manifold gasket. Are you using steel gaskets?
Yes, I am actually. I have taken off the headers a few times though... Had problems with a previous set on a few occasions, and then I switched to these without ever changing the gaskets...
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Old Jan 9, 2011 | 08:20 AM
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Diagnosing noises over the internet is always a crapshoot, but other possibilties include a worn serpentine belt/belt tensioner or a power steering pump issue.
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