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#1
09-04-2007, 06:21 AM
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Correct Flywheel For Late Built LS-6's
Did all LS-6's come with a 11 inch flywheel?
My friend swears that his LS-6 came with a 10 1/2 inch flywheel. He has a June built car. Thanks! John 
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#2
09-04-2007, 07:15 AM
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Re: Correct Flywheel For Late Built LS-6's
I have yet to encounter anything different on either the #3973454 M-22,or #3989300 TH400 LS-6 Flywheel.
On the L-78 TH400's,there were two different flywheels possible.One being the 11-1/2" #3868802 single bolt hole mounting pattern,the other the #3937736 with two staggered bolt hole patterns on it.(being 10-3/4 inner diameter & 11-1/2 outer dia.)
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#3
09-04-2007, 05:31 PM
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Re: Correct Flywheel For Late Built LS-6's
A manual 10 1/2 inch GM externally balanced flywheel for a 454. I would love to see that one.
When racing I could not keep clutches in the ls6 with the best 11" available. I could not imagine what it would do with a 10 1/2.
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#4
09-05-2007, 02:07 AM
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Re: Correct Flywheel For Late Built LS-6's
I have three 10 1/2" external balance 454 flywheels...
2 N.O.S. and 1 nice used... They are 15Lb L-88 style for road racing... Crash
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