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Old 07-07-2012, 09:25 PM   #1
mrwadejunior
 
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changin my head gaskets

Ok I am sure I blew my head gasket. So I decided to do the job my self. Now that I have both heads off, I can see the block. Should the pistons in the cylinder heads have a certain order. Mines are on left side down up down up and on the right side down down up up. Is that bad news for the bottom end? I was planning on just putting some new heads and gaskets on. Is that a good idea?
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Old 07-07-2012, 09:27 PM   #2
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Quote:
Originally Posted by mrwadejunior View Post
Ok I am sure I blew my head gasket. So I decided to do the job my self. Now that I have both heads off, I can see the block. Should the pistons in the cylinder heads have a certain order. Mines are on left side down up down up and on the right side down down up up. Is that bad news for the bottom end? I was planning on just putting some new heads and gaskets on. Is that a good idea?


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The last thing we want is to ship something that isn't right.
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Old 07-07-2012, 09:31 PM   #3
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If you blew the bottom end out you'd know it. I'm sure it's fine.

How did you know you blew the head gasket?
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Old 07-07-2012, 09:37 PM   #4
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Oh this has the makings of an epic thread
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Old 07-07-2012, 09:39 PM   #5
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Randy asked how do you know it was head gaskets? You don't seem very mechanically
inclined and you might be better off getting a shop to repair your car.
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The last thing we want is to ship something that isn't right.

Last edited by Gramps69Z; 07-07-2012 at 09:52 PM.
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Old 07-07-2012, 09:39 PM   #6
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When I got the car I did a full tune up and then I started having over heating problems. Change thermo and still had over heating. By this time the car was getting painted and on the drive home from the paint shop car over heated. I had it towed home and after a couple of days I started it up and it seemed to run fine but after warming up I got the smoke out of the tail pipe.
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Old 07-07-2012, 09:40 PM   #7
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Oh this has the makings of an epic thread
I was thinking the same, but trying my dam'est to be nice.
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Old 07-07-2012, 09:43 PM   #8
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Can you upload some pics?

If you had thrown a connecting rod loose (which is what you'd be describing if what you thought happened had happened) you'd DAMN sure know it.

It probably wouldn't be lodged on the cylinder either. haha

Pics would help. But the pistons aren't as opposite of each other quite the way you seem to be thinking.

It should be a succesion and not just up down.

I'm not saying there isn't anything wrong, I'm just saying you may be over thinking this.

But pics would help a lot.
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Old 07-07-2012, 09:45 PM   #9
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Quote:
Originally Posted by mrwadejunior View Post
When I got the car I did a full tune up and then I started having over heating problems. Change thermo and still had over heating. By this time the car was getting painted and on the drive home from the paint shop car over heated. I had it towed home and after a couple of days I started it up and it seemed to run fine but after warming up I got the smoke out of the tail pipe.
White smoke = coolant.

Blown head gasket could certainly have been it.

Did you get bubbles in your coolant reservior?



Again, your pistons rods are all intact or you'd have heard an ungodly horrible noise. hahaha
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Old 07-07-2012, 09:56 PM   #10
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I do see what you are worried about. It can appear that way. But I promise it just seems like that. You are looking at 2 side by side pistons that one is coming up and one is going down. The other that seems up is on it's own cycle.

Look at the animation below and you can see.

Pistons across from one another on the same arm can both appear to be up or both down and even a bit apart.

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Old 07-07-2012, 09:57 PM   #11
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I'll upload pics, but your probably right. Just over thinking it.
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Old 07-07-2012, 10:01 PM   #12
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Quote:
Originally Posted by mrwadejunior View Post
I'll upload pics, but your probably right. Just over thinking it.
When in doubt, ask about it. MUCH better safe than sorry.

Turn the crank with a ratchet real quick and watch the pistons. That will assure you it's alright.


Disclaimer: Although it's fairly obvious you have a pushrod engine I do want to say that if you're working with overhead cams you may not want to turn the crank. lol
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Old 07-07-2012, 10:05 PM   #13
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Awsome thanks.
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Old 07-08-2012, 09:05 AM   #14
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Quote:
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<snip>
I was planning on just putting some new heads and gaskets on. Is that a good idea?
I'm getting the idea that this really started out as a head swap project . . .


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Old 07-11-2012, 05:49 PM   #15
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Any update?
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Old 07-11-2012, 05:52 PM   #16
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Any update?
a head-gasket job in a 4th gen has got to be a MAJOR PAIN IN THE ARSE
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Old 07-11-2012, 05:56 PM   #17
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a head-gasket job in a 4th gen has got to be a MAJOR PAIN IN THE ARSE
I've never worked on the 4th Gen. I have no idea.
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Old 07-11-2012, 08:58 PM   #18
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a head-gasket job in a 4th gen has got to be a MAJOR PAIN IN THE ARSE

It's not that hard. I'm in the middle of a heads and cam swap, and the heads were simple to take out. Just a lot of bolts to undo, a bunch of electrical connectors to undo and one fuel line. It is really straight forward. The pain in the ass is getting the old graphite gasket off.
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Old 07-21-2012, 06:27 PM   #19
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update??
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Old 08-02-2012, 01:37 PM   #20
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If you look at them again, check closely they are probably not in the same position if you measure their depth. The firing order should be 18436572, which means when no. 1 is at top dead center (TDC) so is no. 6. The difference being that one of them is TDC compression and the other is TDC exhaust. No. 8 with 5, 4 with 7, 3 with 2. The depths of those pairs should be indentical. Usually when the head gaskets are blown you can actually see it on the gasket when the heads are removed.

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Ok I am sure I blew my head gasket. So I decided to do the job my self. Now that I have both heads off, I can see the block. Should the pistons in the cylinder heads have a certain order. Mines are on left side down up down up and on the right side down down up up. Is that bad news for the bottom end? I was planning on just putting some new heads and gaskets on. Is that a good idea?
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Old 08-02-2012, 01:42 PM   #21
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Also I'd watch what heads I would install on the stock motor. Not knowing the mileage sometimes new heads, let alone performance heads, can blow the bottom end. If the motors getting up there you might want to think about a rebuild. Don't want to scare you but it's something to think about. I've seen that happen before in the garage I worked in. But I wish you all the luck.
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Old 08-03-2012, 12:12 PM   #22
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Does the car run again? Curious to see results or progress
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