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10-18-2003, 06:04 PM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Not Ranked
Favorite V'cover Gaskets
What's your preference for LEAKPROOF valve cover gask's and/or adhesive/sealants? Cork, Neoprene, or ??? sealants. This assumes a well matched intake to cylinder head mate.
Hey, you pro's like George or Keith, would love to hear from you also, on your favorites.
Thanks,
__________________
Chas.
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10-18-2003, 06:18 PM
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CC Member
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Join Date: Sep 2003
Posts: 3
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Not Ranked
I used Fel-Pro Rubber Gasket on my M/T Valve covers. Not one leak.
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10-18-2003, 06:32 PM
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CC Member
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Join Date: Jun 2001
Location: Washington DC Metro (Virginia),
VA
Cobra Make, Engine: Classic Roadsters, Tweaked 351W, T-5Z, CRII Tech Support Team.
Posts: 1,895
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Not Ranked
Here's the secret to leak proof valve cover gaskets. ( Oil pan gaskets too)
Obviously, the valve cover gasket surface has to be flat. Indents where the bolts go through must first be flattened.
When using stamped steel valve covers, use the little metal ears under the bolts to spread the load out.
On the valve cover side (and it doesn't make any difference if you use rubber or cork), I use hardware store Weldwood/DAP contact adhesive. Spread on valve cover, and gasket top. Let dry until tack free, then join surfaces.
On the bottom of the gasket, I use plain old wheel bearing grease, liberally applied. It seals great, and comes apart for maintenance without destroying the gasket. The gasket is re-usable. Oil does not dissolve the grease when used as a sealant. Have been using this technique for years on valve covers, oil pans, and carburetors. |
10-21-2003, 01:44 PM
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CC Member
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Join Date: Apr 2003
Location: Nantucket Island 30 miles off the coast,
MA
Cobra Make, Engine: Superformance#1325, Miller Machine FE
Posts: 487
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Not Ranked
Jack
What happens if you add heat? Does the grease still release ?
__________________
Everything has a downside, so dwell on the positives. Find humor in the tough times. 
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10-21-2003, 02:15 PM
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CC Member
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Join Date: May 2003
Location: Newburgh, IN,
IN
Cobra Make, Engine: 427SC Unique
Posts: 481
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Not Ranked
Cheap cork gaskets
clean both surfaces
install dry
throw away and replace if you remove
use a cast valve cover if possible, chrome suk
they always leak
Brent
Last edited by BB427; 10-21-2003 at 02:20 PM..
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10-21-2003, 05:52 PM
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CC Member
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Join Date: Jun 2001
Location: Washington DC Metro (Virginia),
VA
Cobra Make, Engine: Classic Roadsters, Tweaked 351W, T-5Z, CRII Tech Support Team.
Posts: 1,895
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Not Ranked
All,
Yes the grease releases just fine after being heated, and doesn't dissolve with the oil. Just the grease without the contact adhesive works on vacuum sealing carb gaskets to intake manifolds, and metering block gaskets to throttle bodies.
Actually this tip originated from HO Racing Specialties in the early '70's when I was tweaking Pontiacs. Works just as well today as it did then.
Last edited by Jack21; 10-21-2003 at 05:57 PM..
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10-22-2003, 02:27 PM
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CC Member
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Join Date: Jul 2003
Posts: 38
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Not Ranked
I like the rubber ones because I can remove the covers for adjusting valve lash and re-use the gaskets which I've done about 4 times now with the same rubber, trick is to silicone them to the covers but not the head. Haven't had them leak yet.
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10-22-2003, 06:21 PM
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CC Member
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Join Date: Dec 2002
Location: Kennett Square, PA, USA,
Posts: 201
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Not Ranked
I have had sucess using studs Vs. bolts.
They help hold the gaskets in place during installation of the covers. You also eliminate the turning effect of the bolts to distort the gasket. Same principle as is used when using studs when installing heads.
Bud
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10-23-2003, 02:05 PM
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CC Member
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Join Date: Apr 2003
Location: Nantucket Island 30 miles off the coast,
MA
Cobra Make, Engine: Superformance#1325, Miller Machine FE
Posts: 487
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Not Ranked
What about the Valve covers ?
How about covers them selfs, not alot of choices for FE motors. Summit has only one set with baffles and tall enough to be used with a high lift cam. Who sells them ?
__________________
Everything has a downside, so dwell on the positives. Find humor in the tough times.
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10-23-2003, 04:32 PM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Nan,
You can try Shelby, Holman&Moody, Tony Branda, Cobra Restorers and Moon Equipment , to name a few. Possibly Blue Thunder also but I'm not sure. Good luck.
__________________
Chas.
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06-11-2004, 06:02 AM
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CC Member
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Join Date: Jul 2001
Location: Senoia,
Ga.
Cobra Make, Engine: 427SO with big twin autolite inlines on custom intake, jag rear, top loader, wembeldon white, guardsmen blue stripes
Posts: 3,155
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Not Ranked
With all the other additions and upgrades to FE's, I'm surprised
there are no solid rubber VC gaskets available, I guess?.
__________________
Perry
Remember!, there's a huge difference between a 'parts' changer, and a mechanic.
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