C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Single mass flywheel thickness???

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Old May 8, 2007 | 11:14 PM
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Default Single mass flywheel thickness???

Anyone remember off hand the amount you need to mill off of a F-body single mass flywheel for use in the vette with ZF6. I have done 2 of these, but can't remember what the amount I need to remove is. I have seen the number in posts here years past. Any info is appreciated.
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Old May 8, 2007 | 11:20 PM
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Pretty sure it's .090.
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Old May 8, 2007 | 11:24 PM
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Thats about what I was thinking, but its been a while.

Thanks.
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Old Aug 3, 2011 | 11:46 PM
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Better blow the dust off this thread

I'm in the middle of this same prob. All kinds of interference with my clutch fork hitting the PP. My thoughts are the flywheel is to thick. It's a SPEC steel single mass flywheel.

Maybe i should give zfdoc a call also
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Old Aug 3, 2011 | 11:56 PM
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Originally Posted by STL94LT1
Pretty sure it's .090.
I believe that is correct; mine was different since I have a two piece rear main, but I believe STL94LT1 is correct for the 86+ and the LT1 applications
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Old Aug 4, 2011 | 01:34 AM
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I just posted this info in Huxtable's thread. It is .090".
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Old Aug 4, 2011 | 01:58 AM
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It is fact .090" taken off. I have one of those as well from DRM, it is just 200 miles away.
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Old Oct 1, 2011 | 09:13 PM
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Funny I ran across this from way back in the day, but I have a brand new already cut down single mass flywheel still in the box if anyone needs it. $40 + shipping and it can be yours. PM me if intersted.
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Old Oct 2, 2011 | 05:13 PM
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Originally Posted by STL94LT1
Pretty sure it's .090.
This what I've always done on my f-body flywheel. Remeber MTI in Houston also use to do shave up to .120
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Old Oct 2, 2011 | 10:47 PM
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Default Flywheel

Originally Posted by LPDesRoche
Funny I ran across this from way back in the day, but I have a brand new already cut down single mass flywheel still in the box if anyone needs it. $40 + shipping and it can be yours. PM me if intersted.
This is doctorg17' I am interested. Who makes the flywheel.I have a 1990 corvette. Is it ext balanced.also is it a naudler iron crank. For shipping I live in Delaware. Please pm me thanks. Doctorg17.
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