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  • May 22, 2022, 03:59:44 PM

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Author Topic: Valve Stem Seal Options, Opinions Requested...  (Read 468 times)

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Offline djm3452004

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Valve Stem Seal Options, Opinions Requested...
« on: March 18, 2022, 10:29:22 PM »
Good Evening, All --

Was hoping for a little input on replacing my 1980 258 valve stem seals.  I have a pair of options for the stem seal materials.

See the attached photo, please.  The seal on the far left is one of the original "unbrella" seals, and is a hard plastic.  The Felpro replacement seal in the middle is also a hard plastic, P/N SS70530.  The option on the right is a soft silicone material with a spring from Enginetech, P/N S2886-20.

I am wondering which type of seal to go with, the hard plastic Felpro, or the soft silicone Enginetech. 

I've searched a little online, but it's an "opinions are like a-------" situation, many different types are endorsed.

https://www.enginebuildermag.com/1998/07/valve-stem-seals-materials-and-designs/


Thank you in advance for the input --

David

Current Project: 1983 Eagle Wagon 258
Past AMC Project(s):  1979 Spirit Liftback 232
                                1968 Ambassador 287

Offline Taylor

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Re: Valve Stem Seal Options, Opinions Requested...
« Reply #1 on: March 20, 2022, 09:25:18 AM »
2010 Toyota Rav4 Daily Driver (better mileage and family beater)
1985 AMC Eagle Limited Wagon 🖖🏼🦅 Eats Audi quatros for breakfast😎 Official Member of the Land Rover recovery team.
2005 Ford Excursion 4X4 wife's around town daily driver and family pack mule.
2020 Honda Africa Twin for whatever...

Online mudkicker715

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Re: Valve Stem Seal Options, Opinions Requested...
« Reply #2 on: March 20, 2022, 08:58:21 PM »
I can say I had  no problems with felpro.



Manitowoc WI

Offline djm3452004

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Re: Valve Stem Seal Options, Opinions Requested...
« Reply #3 on: March 20, 2022, 09:21:01 PM »
I can say I had  no problems with felpro.


Ok, thank you for the feedback!  Seems the best course of action here is to go for the factory-style seals.

David
Current Project: 1983 Eagle Wagon 258
Past AMC Project(s):  1979 Spirit Liftback 232
                                1968 Ambassador 287

 

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