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Old 04-06-2011, 10:40 AM   #1
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Valve Cover Gasket

Which is better for an 87 Wrangler a cork or rubber Valve Cover Gasket. Got a leak and need to change it this weekend.

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Old 04-06-2011, 10:53 AM   #2
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Try to find a rubber gasket with metal "sleeves" where the bolts go through. They prevent over tightening and work very well. I thought that Fel-Pro made them, but my local auto parts store only had cork.

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Old 04-06-2011, 10:56 AM   #3
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Rubber if you can find 'er. it seems to last longer than the cork. it seems like the cork gets compressed, heated up and gets loose.
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Old 04-06-2011, 01:14 PM   #4
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I too have a leak I need to take care of. Is RTV not sufficient on it's own?
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Old 04-06-2011, 02:35 PM   #5
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Quote:
Originally Posted by Agjames96 View Post
I too have a leak I need to take care of. Is RTV not sufficient on it's own?
That's what I use on mine...but different years have different valve covers etc.
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Old 04-06-2011, 04:29 PM   #6
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I just put the felpro with perma something in mine and it was worth every penny
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Old 04-06-2011, 04:56 PM   #7
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can you switch from a plastic to alluminum valvecover
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Old 04-06-2011, 05:00 PM   #8
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I just recently changed my headgasket and when it came to putting the valve cover back on I used the rtv black and I haven't had a single leak or problem
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Old 04-06-2011, 05:31 PM   #9
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Quadratec has these valve cover gaskets for about $15. For that much money it is not worth half measures. Use the rubber or TPE one not cork. It's easier to install amd will last longer. RTV is not a good solution. It will not last, will squeeze into the valve area, and may come loose in the valve area causing more issues. Not to mention if you ever need to get into this area again you will have to clean that crap off.
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Old 04-06-2011, 11:20 PM   #10
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They make a plastic valve cover? I feel spoiled now.
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Old 04-07-2011, 08:47 PM   #11
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i did a head gasket like 30 bucks outta qaudratec whole upper gasket set with everything and came with the rubber valve cover gasket, works great and there is 2 bolts missing and still holding up good, and the cork does like dry's up and gets real hard it got like baked on the head and was real hard so i think the rubber will hold up good..
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Old 04-07-2011, 08:55 PM   #12
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When I did my head gasket I bought the whole upper gasket kit n the valve gasket wasn't the right one. Every other one was but the valve. I went to napa n the old timer behind the counter( n I mean to say that in no harmful way cause he could answer any question I had. Knows engines inside n out. been around the block a few times) but he told me rtv black would b just fine and im missin 1 bolt n have not had one single leak. So I guess to each is own. But I'll take advice from experience! !!
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Old 04-07-2011, 08:57 PM   #13
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Oh yeah. Good luck. Get her runnin again n let us all know what rout u go. It was such a good feelin when I turned that key n she started right up!!! Again good luck!!!!
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Old 04-07-2011, 09:10 PM   #14
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no doubt chef43 old timers know whats up!!
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Old 04-15-2011, 11:10 PM   #15
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my first post!! Use a Fel-Pro Performance gasket! best out there!
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Old 04-16-2011, 11:52 PM   #16
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Stupid 2.5 has a crappy abs plastic valve cover. Replaced cover and gasket twice. Went rubber with rtv and it's been ok. No one makes a 2.5 aluminum that I could find. Quadratech only had the 4.0. Also checked the yards. Just be careful when prying off. I got crazy and cracked it originally. Oops!
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Old 05-14-2011, 08:13 PM   #17
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Finally got around to fixing the gasket. Bought the expensive Felpro. Had a few issues with getting everything off, cleaned up and back on. Took at least two hours and I snapped a bolt. It I'd the bolt closest to the radiator.

Nothing leaks, but should I try to get the bolt replaced ASAP? Anyone driving around sans a bolt?
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Old 05-15-2011, 12:53 AM   #18
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I broke one when I changed mine as well. Its one on the manifold side and I've drove with it like that for 4 months and no problems so far. If it ain't leaking it ain't worth it. JMHO

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