Head Gasket Replacement tips - TCCoA Forums
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post #1 of 9 (permalink) Old 12-08-2002, 07:35 AM Thread Starter
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Head Gasket Replacement tips

Well, 165,000 miles and one HG finally went. I'm replacing them tonight and tomorrow night so I thought I'd ask for tip from people who've done it. The driver side looks pretty straightforward, but the pax side looks tougher. At the very least I can see that the fuel lines will have to be disconnected. My brother and brother-in-law are helping me, and we're all pretty competent home mechanics. I've done a HG before, of a Grand Am, and my in-law did one on a Taurus that had a 3.8 in it. My brother has an SC. Competence notwithstanding, there are doubtless some "gotchas" to be had in this job, and a heads up from someone who's been there would be great. Thanks
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post #2 of 9 (permalink) Old 12-08-2002, 08:04 AM
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a GOOD 15mm 6point socket is a definate MUST for the headbolts. Also a Power steering pulley puller would probibly be helpful also.
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post #3 of 9 (permalink) Old 12-08-2002, 08:10 AM Thread Starter
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Are the HP/TQ numbers in you signature just from the chip? Not a lot of extra torque, but the engines have a good squirt of that already. 25 ponies would sure be nice. Where did you get the supercharger? I've been thinking of one but knew that my head gaskets would be getting weak and didn't want to take the risk. Now that I'm changing them anyway, I may look at it again.
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post #4 of 9 (permalink) Old 12-08-2002, 08:35 AM Thread Starter
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Re: Head Gasket Replacement tips

Also, I've been reading some of the other threads on this subject, and I seem to have found some people who only changed one side. Is this ok, or shoud you do both? If one at a time is ok, is there an easy way to tell which side is bad. A compression test, particularly on the pax side, sounds like almost as much work as changing the gasket.
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post #5 of 9 (permalink) Old 12-08-2002, 09:05 AM
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DON'T be cheap, change them both!

My car makes 165 REAR WHEEL HP, that about 205 HP at the crank 60 more than stock! Ported heads, Underdrive pulley, cam, fordchip tune,and ported intakes got me my 60hp gain. the blower @ 9-10 PSI intercooled should give me another 80-90 hp @ the crank.
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post #6 of 9 (permalink) Old 12-08-2002, 11:37 PM
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Rancherlee as you may or may not know I have a 1991 Cougar LS sitting in my yard here with 1 or more blown headgaskets. It's been down since early November. I was wondering what I should do to it between now and when I change the HG's. I don't want the engine to seize up or anything as it's still a good body and I have the parts to make at least 1 good V-6 car. Or do you think I should just pull it apart ASAP and change the headgasket before too much time goes by?

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post #7 of 9 (permalink) Old 12-09-2002, 08:44 AM
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you don't want the coolant sitting in the cylinder(s) too long or they will start to rust. best bet would be to pull the plugs and get most of it out and spray some WD-40 or something like that in the cylinders for now.
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post #8 of 9 (permalink) Old 12-10-2002, 07:32 AM
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If I were you, I would definately do both sides. I also had to do a head gasket job at 165,000. If you have done a gasket job before and your brother has done a head gasket job, you should have no problem at all. The passenger side looks difficult, but its really not to bad. The only problem I ran into was that to tighten down the headbolt's after your 500 miles, you cannot get to them because of the intake covering up the valve covers, other than that, its cake.
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post #9 of 9 (permalink) Old 12-16-2002, 08:05 AM
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Check Those heads!!!

Make sure you take those heads to a reputable machine shop to have them pressure tested and planed. A warped head could cause another blown headgasket in a short period of time.
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