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Engine has began making a whistling like sound

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Old 04-07-2012, 07:11 PM
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Car: 92 RS
Engine: 350 TBI
Transmission: 700R4
Axle/Gears: 2.73
Engine has began making a whistling like sound

A few days ago my step-dad and I finished swapping my 305 TBI to a 350 TBI. It has sounded fine, but today while listening to it it began making this whistling noise. It didn't start until the engine had ran for about 5-10 minutes, and we're not exactly sure what could be the problem. If I turn the car off and wait a bit, then turn it back on it doesn't resume the noise right away. I recorded a video from my phone (sorry for bad quality) and captured the sound. Any help is appreciated.

http://www.youtube.com/watch?v=UcXtaoR8PQo

New video that shows my exact problem: http://www.youtube.com/watch?v=o9wNM-3f9W4

Last edited by Hinesman; 05-05-2012 at 03:21 PM. Reason: Added extra information
Old 04-07-2012, 07:47 PM
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Car: '87 Camaro
Engine: '92 Carb'd 350
Transmission: 700r4
Axle/Gears: factory stock
Re: Engine has began making a whistling like sound

Pay attention to A/C, alternator, tensioner.

Just a 2cent guess, sounds like a bearing in 1 of them is bad.
Old 05-05-2012, 03:20 PM
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Car: 92 RS
Engine: 350 TBI
Transmission: 700R4
Axle/Gears: 2.73
Re: Engine has began making a whistling like sound

I apologize I haven't been able to reply for awhile. We've narrowed it down to the transmission area, but we're still unsure of what it is. I have found a video of exactly what my problem sounds like and such.

http://www.youtube.com/watch?v=o9wNM-3f9W4
Old 05-06-2012, 06:09 PM
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Car: 14 scion tc/91 camaro rs
Engine: 2.5/ 360 pooch
Transmission: 6spd man/th350
Axle/Gears: na/2.73
Re: Engine has began making a whistling like sound

Check vacuum lines.
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