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whistling T top

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Old Aug 31, 2010 | 08:13 PM
  #1  
Stevolwevol's Avatar
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From: Michigan
Car: 86 IROC Z, 92 RS
Engine: 305 4bbl, 305 TBI
whistling T top

I need to address a whistling t top when I am on the highway. I don't have water coming in, but I have a hissing sound especially when I am driving into the wind. The rubber seal seems to be in good condition. Any suggestions would be appreciated.
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Old Aug 31, 2010 | 08:34 PM
  #2  
Al Hasse's Avatar
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From: Bremerton, WA
Car: 1992 RS / 1989 RS
Engine: 3.1L MFI / Vortec 383 TBI
Transmission: T5 / LS-T56
Axle/Gears: 3.42 open / 3.73 Eaton posi
Re: whistling T top

There's an adjustment where the body receives the pins. If you remove the plastic trim on the A pillars, and likewise by the roof, you will find the adjustment for the pins, easy enough to get to.
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Old Aug 31, 2010 | 08:43 PM
  #3  
'87IROCZOWNER69's Avatar
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From: Goose Creek, SC
Car: 1987 IROC-Z and 1988 Iroc-Z
Engine: 5.7 350 V8 and 5.0 305 V8
Transmission: 700R4 Automatic Transmission
Axle/Gears: 3.27 Posi
Re: whistling T top

Is it whistling with the T-tops on? Because when I drive down the highway with the t- tops off the holes will make a distinctive owl sound you know(whoo....whoo) which it does every five or so seconds. It is pretty annoying.
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Old Aug 31, 2010 | 08:50 PM
  #4  
Stevolwevol's Avatar
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From: Michigan
Car: 86 IROC Z, 92 RS
Engine: 305 4bbl, 305 TBI
Re: whistling T top

No, it whistles when it's on. Kind of a hssssssss. Enough to get under my skin. Most of the summer I have had them off, but summer is waning, so I had them on today.
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Old Aug 31, 2010 | 09:09 PM
  #5  
camaronewbie's Avatar
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From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: whistling T top

Originally Posted by '87IROCZOWNER69
Is it whistling with the T-tops on? Because when I drive down the highway with the t- tops off the holes will make a distinctive owl sound you know(whoo....whoo) which it does every five or so seconds. It is pretty annoying.
That just means your not going fast enough!
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Old Aug 31, 2010 | 09:18 PM
  #6  
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From: Michigan
Car: 86 IROC Z, 92 RS
Engine: 305 4bbl, 305 TBI
Re: whistling T top

Well, If this was directed to me, I never drive fast enough. I have never heard the whoo whoo sound. Maybe I've been ignoring it, but my hearing isn't all that great either.
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Old Sep 1, 2010 | 12:21 PM
  #7  
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From: Michigan
Car: 86 IROC Z, 92 RS
Engine: 305 4bbl, 305 TBI
Re: whistling T top

I did the adjusting, and It stopped whistling! Thanks for the info.
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Old Sep 7, 2010 | 10:08 PM
  #8  
bedbed's Avatar
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From: Southwestern Ontario
Car: '82 Z28
Engine: 305 LG4
Transmission: 200c
Axle/Gears: 3.42
Re: whistling T top

Just a thought but my corner window moldings were in rough shape and was whistling from the wind traveling throuhg along the mirror. With new-er ones installed it is quiet. I had adjusted the tops as they would rattle/whistle too.
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