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Author Topic: valve cover gasket  (Read 6201 times)

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Offline jim

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valve cover gasket
« on: March 27, 2011, 05:36:45 PM »
I've been searching and reading old posts because this has been discussed previously,
but I haven't found the exact answer to this:
what is the best kind of valve cover gasket to use?  It's for the 88 with the aluminum (or some kind of metal) valve cover.  I want it to last approximately forever, or maybe a little longer. ;D
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Offline thereverendbill

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Re: valve cover gasket
« Reply #1 on: March 27, 2011, 07:58:52 PM »
My vote would be rubber, it took me 3 cork gaskets and some silicone to finally get my 83 with the aluminum valve cover to stop leaking
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Offline shanebo

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Re: valve cover gasket
« Reply #2 on: March 27, 2011, 11:30:43 PM »
Rubber seems likely to be the best candidate...Im hoping the 4.0 head ill be swapping in on my eagle will be less problematic leak wise but it seems all strait 6 engines leak...must be the long valve cover.
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Offline jim

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Re: valve cover gasket
« Reply #3 on: March 28, 2011, 09:27:41 AM »
I seem to remember hearing about a 2-layer gasket that sold for something like $48 at NAPA.
Did I dream this up?
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I'm right 98% of the time, and I don't care about the other 3%.
"The constitutions of most of our States assert that all power is inherent in the people;
that... it is their right and duty to be at all times armed."
--Thomas Jefferson to John Cartwright, 1824. ME 16:45
What part of "shall not be infringed" do they not understand?
08 Impala
01 Yukon 4X4
(There's more to life than fuel mileage)
83 Eagle wagon; shared responsibility as daily driver
88 Eagle white woody wagon; shared responsibility as daily driver
86 wagon parts car
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Offline Eagleearl

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Re: valve cover gasket
« Reply #4 on: March 28, 2011, 10:32:42 AM »
NAPA online lists a cork gasket for $7.99 and a sponge laminate gasket for $41.99.
Advance auto lists the cork gasket for $6.99 and the sponge laminate gasket for $38.99.
All are made by Felpro
« Last Edit: March 28, 2011, 11:20:30 AM by Eagleearl »
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Offline JayRamb

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Re: valve cover gasket
« Reply #5 on: March 28, 2011, 01:14:57 PM »
Quote from: Eagleearl on March 28, 2011, 10:32:42 AM
NAPA online lists a cork gasket for $7.99 and a sponge laminate gasket for $41.99.
Advance auto lists the cork gasket for $6.99 and the sponge laminate gasket for $38.99.
All are made by Felpro

When I had my old plastic valve cover, Napa had the laminate gasket for the plastic.  The cheaper is for the aluminum. I found out the hard way when I bought the wrong one...had to go back and get the more expensive one for the plastic valve cover. Wound up replacing the plastic valve cover 4 months later anyway.
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Offline mudkicker715

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Re: valve cover gasket
« Reply #6 on: March 28, 2011, 01:22:50 PM »
I know you have a problem with that one bolt. I don't so I'm biased. I would cork it and recheck your torque a couple of times.

Btw an 88 is factory alulinium (spelled on purpose) not plastic.

Compare them side bysidefor an idea of what your paying for jim.
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Offline doneagle

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Re: valve cover gasket
« Reply #7 on: March 28, 2011, 01:42:44 PM »


           HI    JIM  I have plastic and it did not leak with the rubber gasket ..see no long story ......Don
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Offline shaggimo

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Re: valve cover gasket
« Reply #8 on: March 28, 2011, 02:51:22 PM »
I agree with mk on this one, cork worked great for the SX, (aftermarket alum). So far no leaky, lol.
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Offline JayRamb

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Re: valve cover gasket
« Reply #9 on: March 28, 2011, 10:13:40 PM »
My 84 Eagle has a cork gasket...no leaks.  My 87 has neoprene gasket...leaks in spots. GRR.
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Jayson H.
Best HWY Mileage of 87 Eagle:  26.2 MPG

Believer in AMSOIL & Seafoam
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Offline BenM

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Re: valve cover gasket
« Reply #10 on: March 28, 2011, 11:07:06 PM »
The factory Aluminum is the same pattern as the 4.0, and I had no problem with cork. Just clean everything well, use denatured alcohol, and apply a VERY light amount of gasket sealer to the head and let the gasket stick there for a little so it doesn't misalign on the thin spots.
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Offline mudkicker715

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Re: valve cover gasket
« Reply #11 on: March 29, 2011, 12:27:47 PM »
Quote from: BenM on March 28, 2011, 11:07:06 PM
The factory Aluminum is the same pattern as the 4.0, and I had no problem with cork. Just clean everything well, use denatured alcohol, and apply a VERY light amount of gasket sealer to the head and let the gasket stick there for a little so it doesn't misalign on the thin spots.

Not the best idea. Use high tach gasket sealant from permatex. Its a brush on glue. Permatex sealer will leave high and low spots used that way. Than the cork has to conform to that.
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