 VALVE COVER GASKETS, Which is best. |
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| Porsche914va2 |
 Sep 2 2008, 01:49 PM
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#1
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Newbie  Group: Members Posts: 5 Joined: 7-July 08 From: Burke, Va Member No.: 9,264 Region Association: MidAtlantic Region  |
I replaced the gaskets on my Valve covers. I have two different gasket materials. One is a hard fiber, the other cork. Has anyone determined if the hard fiber is better than the cork? I also use permatex gasket sealer. From your experience, just how much sealer is needed on the top of the gasket which will join the engine. I always seem to get that little leak on the corners of the valve cover. (IMG:style_emoticons/default/flag.gif)
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| SLITS |
Sep 2 2008, 01:52 PM
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#2
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None  |
My preference is cork ............
I stick the gasket to the valve cover with a SMALL thin bead of RTV. If yours leaks, you have bent it. |
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| URY914 |
Sep 2 2008, 01:56 PM
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#3
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I built the lightest 914 in the history of mankind. Group: Members Posts: 120,532 Joined: 3-February 03 From: Jacksonville, FL Member No.: 222 Region Association: None |
Cork for sure. I use just a little sealer to hold it in place on the v-cover so it doen't move around when being installed.
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| Cap'n Krusty |
Sep 2 2008, 02:17 PM
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#4
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
Cork. I use a thin coat of "Gasgacinch" on both the cover and the gasket, let'em air dry, and slap'em together. NEVER any sealant between the gasket and the head. No RTV, either. It promotes leaks, and rust, too, for that matter .................
The Cap'n |
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| Root_Werks |
Sep 2 2008, 02:26 PM
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#5
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Village Idiot Group: Members Posts: 8,319 Joined: 25-May 04 From: About 5NM from Canada Member No.: 2,105 Region Association: Pacific Northwest 
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QUOTE(Cap'n Krusty @ Sep 2 2008, 01:17 PM)  Cork. I use a thin coat of "Gasgacinch" on both the cover and the gasket, let'em air dry, and slap'em together. NEVER any sealant between the gasket and the head. No RTV, either. It promotes leaks, and rust, too, for that matter ................. The Cap'n (IMG:style_emoticons/default/agree.gif) I do the same thing, works like a charm. |
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| Al Meredith |
Sep 2 2008, 04:59 PM
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#6
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Senior Member Group: Members Posts: 960 Joined: 4-November 04 From: Atlanta, ga Member No.: 3,061 |
904SVO on this board has bought some valve cover gaskets that are FAA approved. Used on TY4 experemental aircraft.
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| Porsche914va2 |
Sep 2 2008, 10:51 PM
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#7
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Newbie Group: Members Posts: 5 Joined: 7-July 08 From: Burke, Va Member No.: 9,264 Region Association: MidAtlantic Region |
QUOTE(Al Meredith @ Sep 2 2008, 06:59 PM) 904SVO on this board has bought some valve cover gaskets that are FAA approved. Used on TY4 experemental aircraft. Well, I need flaps, and retractable gear to get airborne, but nice to know the gaskets hold up to FAA standards! But I just got an old 4 banger 914...not a Corsair! (IMG:style_emoticons/default/ar15.gif) |
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| jcd914 |
Sep 3 2008, 01:34 AM
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#8
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Advanced Member Group: Members Posts: 2,081 Joined: 7-February 08 From: Sacramento, CA Member No.: 8,684 Region Association: Northern California |
QUOTE(Root_Werks @ Sep 2 2008, 01:26 PM) QUOTE(Cap'n Krusty @ Sep 2 2008, 01:17 PM) Cork. I use a thin coat of "Gasgacinch" on both the cover and the gasket, let'em air dry, and slap'em together. NEVER any sealant between the gasket and the head. No RTV, either. It promotes leaks, and rust, too, for that matter ................. The Cap'n (IMG:style_emoticons/default/agree.gif) I do the same thing, works like a charm. (IMG:style_emoticons/default/agree.gif) In addition I put a thin layer of Swepco moly grease on the head side of gasket. It keep the gasket from sticking to the head, making the next change easier (no scraping old gasket off the head). If I need to pop a valve cover off to check a valve/rocker/return tube/etc... they don't usually leak when put back on. Not an excuse to reuse old hard gaskets but if I am chasing a problem or noise I can replace the gasket with a new one after I find then issue. I never though of the rust issue with RTV but I don't use RTV for much anyway. Jim |
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