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07-03-2020, 06:39 PM | #1 |
Senior Member
Join Date: Dec 2012
Location: Payette, ID
Posts: 935
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Intake Valve Oil Seals
Did original flatheads have oil seals at the intake valve guides. The 59AB that I just took apart does not have them
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07-03-2020, 07:47 PM | #2 |
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Join Date: Feb 2013
Posts: 511
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Re: Intake Valve Oil Seals
I took a part a C8BA and a C0BA and neither had them even though I think they were supposed to. And the C0BA had been rebuilt.
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07-03-2020, 07:56 PM | #3 |
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Join Date: Dec 2012
Location: Payette, ID
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Re: Intake Valve Oil Seals
Mine does not have mushroom valve stems
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07-03-2020, 08:07 PM | #4 |
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Join Date: May 2010
Location: Chester Vt
Posts: 8,842
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Re: Intake Valve Oil Seals
It's time to do your homework. The 59 and earler blckd had split guides. Which leaked like a sive. The 8ba has a solid guide an 11/32 stem withha aseal around the guide. All this was state of the art in the early 50s. Today we use solid guides in all our blocks abd sometimes kurrell the guides or install bronze incerts. Now that sealents are available a thin coating around the guideis all that necessary to seal it. OR, you can use the ols rubber seal. In any case the guides will seal themselves as everine knows wen they try to remove them
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07-03-2020, 08:10 PM | #5 |
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Join Date: Dec 2012
Location: Payette, ID
Posts: 935
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Re: Intake Valve Oil Seals
Ah In any case the guides will seal themselves as everine knows wen they try to remove them
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07-04-2020, 01:16 AM | #6 |
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Posts: 511
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Re: Intake Valve Oil Seals
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07-04-2020, 09:14 AM | #7 |
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Join Date: May 2010
Location: Chester Vt
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Re: Intake Valve Oil Seals
I use a small amount of any silicone sealant around the guide befoer you push it in. Now if you want the next guy that removes the exhaust guides to thank you, use some never seize on those guides. it will come out much easier. haven't used tha rubber "O" ring in any of my builds. If that RTV stuff waz available back in the day, Ford wouldn't either. most modern engine use very few gaskets, just a sealant
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07-09-2020, 06:04 PM | #8 |
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Join Date: Feb 2013
Posts: 511
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Re: Intake Valve Oil Seals
Thanks Ron and will do!
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