67 289 has sludge under valve covers - Page 2 - Mustang Evolution

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Old 03-09-2014, 03:03 PM   #36
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I would make sure there's atleast enough oil to register on the dipstick
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Old 03-09-2014, 03:46 PM   #37
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For a compression test you DO NOT start the engine. What happened to the oil that was in the engine? I would fill it then do the compression test I really don't think there is anything wrong with the engine a really good tune up can not take care of. If you think there is get some cheap oil and fill it that way you are not spending a lot just in case.
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Old 03-09-2014, 04:56 PM   #38
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There is oil in it now. I changed it when I found out there was gas in it. I just wasn't sure if I was supposed to drain some of it or anything. I don't know that I will get to it this weekend. I have a valve cover bolt broke off in the block... (previous owner). So I'm going to deal with that first.

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Old 03-09-2014, 08:00 PM   #39
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For a compression test you DO NOT start the engine. What happened to the oil that was in the engine? I would fill it then do the compression test I really don't think there is anything wrong with the engine a really good tune up can not take care of. If you think there is get some cheap oil and fill it that way you are not spending a lot just in case.
And I really hope you're correct about the health of the engine.


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Old 03-23-2014, 03:48 PM   #40
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Okay, I have a picture of the sludge I am dealing with. Should I maybe use a rag and some carb/ brake cleaner to clean some of it out?

I am about to do compression test as soon as i can get the broken valve cover bolt out.

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Old 03-23-2014, 03:49 PM   #41
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What do you think?

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Old 03-24-2014, 05:08 AM   #42
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What do you think?

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I would run the compression test first, this way if it is good we clean it one way if it is bad then you are going to take it apart anyway so you will clean as you go. Baby Steps
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Old 03-24-2014, 08:40 AM   #43
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Sounds good to me! Thanks. Hopefully I will test it tonight or tomorrow evening.

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Old 04-06-2014, 12:19 PM   #44
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Alright, today I am compression testing for sure. I have a couple questions before hand. Last time I had a spark plug out and turned the engine over gasoline shot put the plug hole. So I am hesitant to remove all of them at the same time. Is that normal?

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Old 04-06-2014, 12:25 PM   #45
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that is normal Leave all the plugs in except the one I was testing
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Old 04-06-2014, 12:31 PM   #46
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The oil smells like it might have fuel in it again. Hmm. Another 70 bucks on oil I guess

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Old 04-06-2014, 12:34 PM   #47
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You need to remove ALL of the spark plugs to perform a compression test. Also, the throttle needs to be blocked in the "wide open" position while performing the test.
Some fuel is going to spray out at first. Make sure that there is nothing that will cause a spark and pull the coil wire off of the distributor. It's a good idea to have a fire extinguisher handy. You can turn the engine over with all of the plugs out to clear the fuel from the cylinders before you begin.
Make sure that you write down the compression for each cylinder.
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Old 04-06-2014, 12:49 PM   #48
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Hey Josh, there's a video, I think, in the 96-04 forum in the "How to tell if my engine is worn out" thread about compression tests.
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Old 04-06-2014, 12:55 PM   #49
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my bad it has been a long long time since I have done one
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Old 04-06-2014, 01:49 PM   #50
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Also if you battery has been sitting for a while you might want to hook up a batter charger so you have enough juice for the whole test
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Old 04-06-2014, 01:52 PM   #51
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I always turned mine by hand I never used the starter I do remember that correctly I think
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Old 04-06-2014, 02:20 PM   #52
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I just charged up the battery. Thanks guys! I'll give it a try. I'll post my results by the end of the day. Cross your fingers for me

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Old 04-06-2014, 03:10 PM   #53
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Really? Iv done it before in my auto class and we used the starter
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Old 04-06-2014, 03:30 PM   #54
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The correct way is to use the starter.
You would get awfully tired if you do it by hand.

Also, it typically takes about four or five compression strokes to reach the max reading for each cylinder. Try to turn the engine over about the same amount of strokes for each cylinder to get an accurate reading.
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Old 04-06-2014, 03:38 PM   #55
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I have an unrelated question. The mustsng will run just fine for a couple minutes and then it just shuts off almost as if you turned the key and it will not start after. Any ideas?

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Old 04-06-2014, 03:51 PM   #56
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The next time that happens, IMMEDIATELY pull off a spark plug wire, insert an old spark plug into the wire, ground the plug against the engine block and crank the engine over to check if you are getting any spark or not.
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Old 04-06-2014, 03:56 PM   #57
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Very frustrated

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Old 04-06-2014, 04:01 PM   #58
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Could be a choke problem or ground
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Old 04-06-2014, 04:06 PM   #59
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It's an old car... That's what they do!

You'll get it all straightened out. Look at what Tyoung68 has done with his car, that thing was a mess!

Now get busy on that compression test... We're burning daylight here!
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Old 04-06-2014, 04:43 PM   #60
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Hmm. Maybe so. Well, I became pretty discouraged before the compression test so I doubt it will be happening now. :/

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---------- Post added at 03:43 PM ---------- Previous post was at 03:42 PM ----------

Sorry. Just got fed up with it. Idk when I'll get around to it. Just so much work and not enough time to do it.

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---------- Post added at 03:43 PM ---------- Previous post was at 03:43 PM ----------

I was trying to get it to run for 5 minutes first to warm it up. Which turned out impossible

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Old 04-06-2014, 04:56 PM   #61
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Josh it is going to need to get done in baby steps. Trying to figure out all the problems at once will drive ya nuts. Do the compression test to give us a good starting point. Don't worry about it running right now that will be one of the next steps after we see where we stand.
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Old 04-06-2014, 05:54 PM   #62
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You're right. I'll try to focus on one thing at a time. I admit not an easy task for me. I will try and get her tested by the end of the evening. Also, there is antifreeze pooling on the block in certain steps under the intake manifold. (I assume bad intake manifold gasket. Would this effect the compression test?

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Old 04-06-2014, 06:19 PM   #63
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You said before it overheated is this left over
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Old 04-06-2014, 07:06 PM   #64
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I don't believe that it has overheated. I did have a bad cap that allowed antifreeze to escape. This I don't think is left over. I have dried it up completely though just to make sure I thought maybe it was just the hoses also until I noticed at the back of the engine behind the carb it had a puddle that I have not noticed before.

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Old 04-06-2014, 07:26 PM   #65
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I am on my phone so i can't see where you are located. Do you know any old guys to talk to or have come by and look this over. If not look for a Mustang club by ya I know if I was close enough I would help ya out. Join the club and talk to the old guys most like me work for beer
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Old 04-06-2014, 07:49 PM   #66
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A.leaking intake could be the cause of MOST of your problems.
Go ahead and do the comp test, the intake doesn't matter.
This engine could very well be in good shape and only need new gaskets.
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Old 04-06-2014, 08:30 PM   #67
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Okay, so here are my results. The lowest one I got was 140 and the the highest was 150. I tested each cylinder twice with consecutive readings. I am very happy with the results and I hope you are right about the gasket

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---------- Post added at 07:30 PM ---------- Previous post was at 07:29 PM ----------

What do you think?

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Old 04-06-2014, 09:47 PM   #68
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AWESOME!!!!!

It's going to live!
I suppose that your next step will be to take the intake manifold off...
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Old 04-06-2014, 10:32 PM   #69
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Don't give up. You're on your way out of the ditch. Depending on the intake you dont use the corks strips under the intake between the heads, just a bead of silicone. They are notorious for leaking there. If you can't build up pressure, it'll run hot.
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Old 04-06-2014, 10:48 PM   #70
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I have an unrelated question. The mustsng will run just fine for a couple minutes and then it just shuts off almost as if you turned the key and it will not start after. Any ideas?

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That sounds like a choke issue (there seems to be a lot if that going around). I'd check to make sure it's opening up properly.
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