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05-12-2013
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#1 |
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Join Date: Dec 2012
Location: STL
Posts: 492
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Made a vid of my "flywheel noise" , is it the flywheel? ---
There is a description in the video area for more info on my car and the issue.
I was thinking this was the dual mass flywheel making noise. Its a timed cam car and I heard they are even noisier than usual. Its louder near the end of the vid. I only hear it when the car is warm and at idle. 1990 LPE Topend ZR-1 with 43k miles. THANKS!!! --- http://www.youtube.com/watch?v=ja1Kq...ature=youtu.be EDIT: 2nd vid. -------------------------------------------------------------------------------- I took a new vid of the flywheel from the passenger side after my trip to the track. I can almost picture the weights bottoming out. : http://www.youtube.com/watch?v=jaGDqqvrMjY
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[SIGPIC][/SIGPIC] 01' Dodge Viper GTS 11' Ford Raptor 90' ZR-1 Corvette LPE #699 Last edited by alwayscode390; 05-18-2013 at 04:32 PM. |
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05-12-2013
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#2 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,662
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Re: Made a vid of my "flywheel noise" , is it the flywheel? ---
Are u sure you're not thinking about single mass flywheel?
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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05-12-2013
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#3 |
Join Date: Aug 2008
Location: Houston 90 Red ZR-1
Posts: 2,320
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Re: Made a vid of my "flywheel noise" , is it the flywheel? ---
Does it go away when you push your clutch peddle in?
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05-12-2013
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#4 |
 
Join Date: May 2007
Location: Westminster, Maryland
Posts: 3,687
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Re: Made a vid of my "flywheel noise" , is it the flywheel? ---
Do you have headers and is the Air Pump plumbing still in place?
Jim
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If it isn't fun, you aren't doing it right! 1990 Black ZR-1 - sold 1993 Quasar Blue ZR-1 1994 Competition Yellow ZR-1 1995 Dark Purple ZR-1 Maryland State Coordinator WAZOO Member |
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05-12-2013
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#5 |
 
Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,207
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Re: Made a vid of my "flywheel noise" , is it the flywheel? ---
If it goes away when you press the clutch in then it's possibly the pilot bearing at the tip of the input shaft to the ZF6.
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Scott  Vett owner since 1979._It's about the car and the people |
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05-12-2013
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#6 |
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Join Date: Dec 2012
Location: STL
Posts: 492
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Re: Made a vid of my "flywheel noise" , is it the flywheel? ---
As far as I know its the stock clutch and flywheel.
The last owner said he didn't replace anything, and there is no info on the Lingenfelter receipt for a clutch/flywheel swap. There are Watson headers on there, and a spot on the drivers side welded up. Where should I look to see if the Air Pump is still in place? I don't think it goes away when I press the clutch in ... I will be driving it again in a few minutes and will check for that. THANKS  ---
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[SIGPIC][/SIGPIC] 01' Dodge Viper GTS 11' Ford Raptor 90' ZR-1 Corvette LPE #699 |
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05-12-2013
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#7 |
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Join Date: Jun 2009
Location: I live at Devens, one run at a time
Posts: 455
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Re: Made a vid of my "flywheel noise" , is it the flywheel? ---
My Watson headers have fittings on the primary tubes that plumb together and pipe over to the air pump, which I think was in the drivers' headlight area. I took that out a long time ago so I can only dimly recall.
The one time I got what I now think was a flywheel noise it was hella louder than that. You may have an exhaust leak. Could be the air system. Good luck, - Jeff
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[I]91 ZR-1 #1840, autocrossing in SCCA BSP. FIC S/S's DRM chip/Watson/Borla/lid/LW batt&headlights, springs, shocks, pads & lines, quick rack & Turn One, camber brace, 32/22mm sways, A/C halfway deleted 17x11 & 12 CCW's, 315 & 335 Hoosier A6s [/I] |
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05-12-2013
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#8 |
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Join Date: Dec 2012
Location: STL
Posts: 492
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Re: Made a vid of my "flywheel noise" , is it the flywheel? ---
In person I think the noise sounds SO much louder, but when I heard it on the video I was surprised how quiet it was.
I just took a drive, it does NOT go away with the clutch depressed. It is silky quiet and smooth on cold startup ... sound starts up immediately on a 2nd start/warm start. ---
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[SIGPIC][/SIGPIC] 01' Dodge Viper GTS 11' Ford Raptor 90' ZR-1 Corvette LPE #699 |
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05-12-2013
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#9 |
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Join Date: Dec 2012
Location: Tampa, FL
Posts: 118
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Re: Made a vid of my "flywheel noise" , is it the flywheel? ---
Do you have original injectors?
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05-12-2013
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#10 |
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Join Date: Aug 2008
Location: Houston 90 Red ZR-1
Posts: 2,320
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Re: Made a vid of my "flywheel noise" , is it the flywheel? ---
My next thought is that it either does have a single mass flywheel or a bad lifter. I'm leaning more to a single mass flywheel because they tend to get louder as the car warms up.
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