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Old 03-19-2008, 05:08 AM
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Mr70 Mr70 is offline
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Default Re: Flywheel

It looks like a January,6th,1975 date to me,used on all internally balanced Small Block & Big Blocks.
How many teeth are on it..168?..If so that was superceded by Flywheel #3991469 later on & to be used on ALL 1967-85 internal balanced engines w/11" clutch & 2pc. rear seal.
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Old 03-19-2008, 05:14 AM
72-SS-L48 72-SS-L48 is offline
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Default Re: Flywheel

Yes its 168 Tooth.
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Old 03-19-2008, 05:43 AM
nuch_ss396 nuch_ss396 is offline
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Default Re: Flywheel

The part number: 3973456 tells you that it probably had to
be from a design, or modification sometime in the 1969
model year.

Nuch
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