I've never had much luck snugging down valve cover bolts with petrified gaskets. Usually the cork gets rock hard, and making the bolts tighter, even to the point that they are barely snug, cracks the gasket and increases the leakage. New gaskets are really the only way to fix that problem.
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86 Lincoln Town Car (Galactica).
5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley
91 Lincoln Mark VII LSC grandpa spec white and cranberry
1984 Lincoln Continental TurboDiesel - rolls coal
Originally posted by phayzer5
I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers
Everything looks like voodoo if you don't understand how it works -
Maybe being able to snug down the valve cover bolts on a old car is California phenomenon?
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So I tightened the valve cover bolts today and I did.. They were so loose on the passenger side. However I noticed the oil is coming from the back of the engine. It's like a steady stream especially after a little bit of driving. All dripping from the back of the engine. I have gotten under there to inspect where it's actually coming from.. Any pointers? Also thanks for all the info! I'm definitely going to get permadry plus gaskets from summit racing. I'm a little weary of buying a gasket online, but I want the steel implanted gaskets. Also before I drive it as my daily, I'm going to replace all my radiator hoses. That bottom one is about to crack and burst. So it makes me nervous. The marvel mystery oil made the tapping vanish. I had forgotten why I loved that stuff so. I plan on flushing the radiator, replacing the hoses, changing out the gaskets my car needs(if you guys can help me with the reason it leaks from the back of the engine
and I had posted earlier about my brakes having no pressure, but perfectly able to stop and full brake fluid. Well the more I drive the more the pressure comes back. Weird right? Anyways thanks again! 
"Charleston" the 1987 Mercury Grand Marquis LS sedanComment
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The screen under your pcv is more than likely clogged which caused the rear lower intake gasket to blow out from excess pressure. So get a new pcv and the screen that goes under it, all your intake gaskets, and while you have the intake off your might as well replace all the vacuum lines.
'90 LX 5.0 mustang
Big plansComment
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Oh okay, it's frustrating though! If I replace that and it still leaks what else could it be? Any other gasket it could be?"Charleston" the 1987 Mercury Grand Marquis LS sedanComment
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Not really. If you really plan on keeping the car for awhile, you may as well do the lower intake gaskets while your at it.2020 F250 - 7.3 4x4 CCSB STX 3.55's - BAKFlip MX4
2005 Grand Marquis GS - Marauder sway bars, Marauder exhaust, KYB's
2003 Marauder - Trilogy # 8, JLT, kooks, 2.5" exhaust, 4.10's/31 spline, widened rear's, metco's, addco's, ridetech's 415hp/381tq
1987 Colony Park - 03+ frame swap, blown Gen II Coyote, 6R80, ridetechs, stainless works, absolute money pit. WIPComment
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okay! so pcv valve, valve cover gaskets, lower intake manifold gaskets.. awesome! Thanks guys
"Charleston" the 1987 Mercury Grand Marquis LS sedanComment
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Once you replace that, there's nothing else it could be leaking from there. Unless the castings themselves are cracked which I highly doubt.Originally posted by tyler_hubbard2003 View PostComment
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The truth is I'm just not familiar with v8's. My neon I had was leaking from everywhere possible and i could never figure that out and my Buick never had any oil leaking problems. Maybe I'm just being too cautious and careful. I just don't want to ruin this car. I love it!Originally posted by 86VickyLX View Post"Charleston" the 1987 Mercury Grand Marquis LS sedanComment
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You need to change your oil after you do your lower intake manifold because there is a very good chance of getting coolant in the oil, so put off your oil change until you've done the lower intake. You can tell if its your lower intake leaking if the top of the transmission is all oily. You can always clean where you suspect a leak then drive around and look at it again. Good luck mang.Originally posted by tyler_hubbard2003 View Postokay! so pcv valve, valve cover gaskets, lower intake manifold gaskets.. awesome! Thanks guys Comment
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Hahah actually, I was going to go ahead and flush my rad, change the oil, replace my rad hoses and do the gaskets in 1 fair swoop. So that should be okay right?"Charleston" the 1987 Mercury Grand Marquis LS sedanComment
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As long as you change the oil after you do everything else.
Also--I don't know what the guy above is thinking, but cork=bad.91 Mercury CP, Lopo 302, AOD, 3.08LSD. 3g upgrade, Moog wagon coils up front, cc819s in the back. KYB GR-2 police shocks. Energy suspension control arm bushings. Smog deleted.Originally posted by gadget73
93 F-150 XLT, 302, ZF 5-spd from 1-ton, 4wd.
Daily--07 Civic Coupe. Bone stock with 25k miles
Wife--14 Subaru Outback. 6-speed.
95 Subaru Legacy Wagon--red--STOLEN 1/6/13Comment
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Get the rubber ones damn. He ALREADY said he was getting the high tech permadrys. I don't think you need 30 dollar valve cover gaskets but whatever. Or just get some regular rubber ones, I don't care. Comment
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Or don't change it and lose the motor the next day. BTDT. There is a reason my car has an HO in it, and it wasn't simply me wanting to go faster.Originally posted by 91waggin View Post86 Lincoln Town Car (Galactica).
5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley
91 Lincoln Mark VII LSC grandpa spec white and cranberry
1984 Lincoln Continental TurboDiesel - rolls coal
Originally posted by phayzer5
I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers
Everything looks like voodoo if you don't understand how it worksComment
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IIRC, the cheapest ones I found a while back that also seemed to be reusable were some cork/rubber blend gaskets from Mr. Gasket. Non-reusable gaskets irritate me to no end; so also does not having a small supply of frequently-used gaskets such as carb or valve cover.Originally posted by ford man View Post2012 Mazda5 Touring | Finally working on the LTD again!
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