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Timing cover

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sean View Drop Down
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    Posted: 31 July 2007 at 10:39am
GROUP 10-12 - CHAIN and GEAR COVER

Part no. 640439 - COVER, timing chain ('45 parts list only)
Part no. 644425 - COVER, timing chain (up to s/n 44417)
Part no. 643834 - COVER, timing gears (after s/n 44417)

Part no. 640439 appears only in the '45 parts list.

    

In the '47+ parts lists it has been superseded by #644425.  It does not have the horizontal rib:

    

Both have the "rivet" like dimple in the center boss, which attaches the cam thrust pin inside:

    

    

Part no. 643834 (gear drive) has a large diameter relief, and does not have the rivet/dimple or pin.

        



Edited by sean - 25 May 2009 at 6:30pm
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