72 lemans TIMING COVER O RINGS - Page 2 - Pontiac GTO Forum
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post #11 of 12 (permalink) Old 11-24-2012, 01:21 PM
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There's one more (actually 2 more) parts that you might be missing. They also might be present on your old cover, so you can reuse them from there if you have them. There are two small sleeves that fit into the bottom two bolt holes in the timing cover and protrude towards the block a little bit. When the cover's installed, these sleeves fit into the bolt holes in the block. Their purpose is to correctly locate the timing cover on the front of the block so that the front seal around the harmonic balancer is centered. If the cover is not centered properly, then this seal can leak - or start leaking very soon due to it not being centered around the balancer hub.

Butler (and others) have them. Butler's part number is APE-N538S.

You can see them installed in a block and where they go in this photo:
0208Hpp Running16 Zoom Photo 17


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post #12 of 12 (permalink) Old 11-30-2012, 07:31 PM Thread Starter
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Originally Posted by BearGFR View Post
You need the parts in photos 2 and 3. The first photo is for early covers/pumps.

hey so i just got all the parts in mail and the water pump sleeves how do they get installed do i put something on before i slip them in they feel loos when i just put them in there its not like the old one where its on there tight?
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO General Discussion

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