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Author Topic: Tach Seal - which way?  (Read 1457 times)

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Offline 75750SS

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Tach Seal - which way?
« on: July 27, 2007, 10:17:22 PM »
In my haste, I forgot which way the seal goes into the cyclinder head cover.  Is it Flat Side facing out or is it the Cupped side facing out or does it even matter?  75 750F
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Offline TwoTired

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Re: Tach Seal - which way?
« Reply #1 on: July 27, 2007, 11:28:44 PM »
That's a lip seal and itr matters.  In this case and in general, seals are installed so that molded in numbers are visible after installation, or facing outward.

Cheers,
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Lloyd... (SOHC4 #11 Original Mail List)
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Offline jdpas29

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Re: Tach Seal - which way?
« Reply #2 on: July 28, 2007, 06:10:42 AM »
and for what it's worth... if your seal was as big of a piece of stool as mine was, you'll need to make sure you get every smidgen of leftover seal out of the little ring-groove that is in there around the outside.  my old seal was basically burned in there and i had to scrape it out with various tools in order to get a half decent seal out of it... and it still weeps a little.
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obnoxshuz

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Re: Tach Seal - which way?
« Reply #3 on: July 28, 2007, 05:03:03 PM »
How do you take the old one out? I tried using a wooden screw to attach to it but no luck.
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Offline 75750SS

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Re: Tach Seal - which way?
« Reply #4 on: July 28, 2007, 06:33:33 PM »
That's how I got mine out.  Drilled a small hole then screwed in a wood screw as far as it would go. Pulled it out with pliers.
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