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Old 10-27-2015, 10:14 PM   #1
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Blown Head gasket?

Cranked up my new car for an exhaust video and i let the rpms drop to what they normally are at then i gave it a 3k rev and some white smoke came out (but not enough for me to see) then i gave it a 5.5k and a big cloud of smoke came out and i shut it off right after the rpms dropped back down. The car sat since june because it was wrecked and it probably wasnt driven till i drove it a week ago and it has been getting more activity and i drove it 30miles back to my house and it had no issues and i got it up to 5k rpms. But it sat overnight then i cranked it up 2 times in the morning before i did the exhaust video and there was no smoke. So what does everybody think is the issue?
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Old 10-28-2015, 06:25 AM   #2
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could just be burning some buildup out of it. quite a bit of smoke though. could just be the intake manifold gasket leaking some coolant into the cylinder once it gets nice and hot. has it overheated before that you know of? how many miles? if it sat for a long time, i would think its the manifold gasket.

just lay down all the details you can about this car.
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Old 10-28-2015, 11:55 AM   #3
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See if your loosing coolant. If not, should be just carbon build up overtime.

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Old 10-28-2015, 01:04 PM   #4
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See if it's losing coolant if it is I would say intake manifold leaking. I just had to replace mineClick image for larger version

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Old 10-28-2015, 06:03 PM   #5
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could just be burning some buildup out of it. quite a bit of smoke though. could just be the intake manifold gasket leaking some coolant into the cylinder once it gets nice and hot. has it overheated before that you know of? how many miles? if it sat for a long time, i would think its the manifold gasket.

just lay down all the details you can about this car.
The car ran perfectly the 2 times i drove it and didnt overheat, it has 89k on the odometer, but it has a rebuilt motor in it and apparently makes 350 crank hp. Car also doesnt have a catback right now and there was a subway cookie sized puddle of some clearish liquid right under the exit of the midpipe.
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Old 10-28-2015, 06:04 PM   #6
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See if your loosing coolant. If not, should be just carbon build up overtime.

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I was told its supposed to be full and its not
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Old 10-28-2015, 07:18 PM   #7
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Keep an eye on it if the level drops its probably time for a new intake manifold. I like the updated Dorman with the gaskets built in as a stock replacement. Car sounds better and has more power over leaking stock one. The Dorman kit is under 200 bucks and with the plush gaskets it seals better than a flat gasket in less than perfect gasket surfaces. Others say they don't like the Dorman it's not considered a performance upgrade but it definitely improved performance of my 04.


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Old 10-28-2015, 07:56 PM   #8
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Keep an eye on it if the level drops its probably time for a new intake manifold. I like the updated Dorman with the gaskets built in as a stock replacement. Car sounds better and has more power over leaking stock one. The Dorman kit is under 200 bucks and with the plush gaskets it seals better than a flat gasket in less than perfect gasket surfaces. Others say they don't like the Dorman it's not considered a performance upgrade but it definitely improved performance of my 04.


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What is a dorman kit? And does it work with the mach motor?
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Old 10-28-2015, 08:05 PM   #9
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Dorman is just a common brand of replacement intakes that is available at most auto parts stores. They are relatively inexpensive and are Made in The USA. I'm sure the Mach 1 would be a different part number. I'm not sure if the Mach 1's had the same issue but the intakes on the 2v's will fail at some point that's almost a guarantee


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Old 10-28-2015, 08:28 PM   #10
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Do not get Dorman!!!! They loose HP and will leak much much sooner than the more expensive Ford part. They aren't on the same level as Ford.


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Old 10-28-2015, 08:32 PM   #11
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So what is a sign that its the intake? And whats a sign that its the head gasket?
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Old 10-28-2015, 09:35 PM   #12
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Do not get Dorman!!!! They loose HP and will leak much much sooner than the more expensive Ford part. They aren't on the same level as Ford.


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I have heard that but I have done about 3 Dorman intakes on 4.6's and have had no problems and they both seem about the same quality to me. You do need to properly torque the bolts in the right order and that's important plus they carry a lifetime warranty. It's not a Performance intake but I have felt no loss in power.Click image for larger version

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Old 10-28-2015, 10:05 PM   #13
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Do not get dormans. Pay little more for the Ford Racing Intake.

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Old 10-28-2015, 10:22 PM   #14
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What is a dorman kit? And does it work with the mach motor?
It doesn't.
All that your manifold requires are gaskets and a good cleaning.
Hopefully that's all that is wrong. Both of my Bullitts have the same symptoms as your car. One of them, I suspect is the intake manifold gasket leaking... I hope!
The other one has a for sure blown head gasket.
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Old 10-28-2015, 10:25 PM   #15
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Here is the video of it. This happened to be the first time it blew white smoke.

https://youtu.be/Qo3yUH6dIwQ
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Old 10-28-2015, 10:38 PM   #16
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Old 10-28-2015, 10:39 PM   #17
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Was the engine cold when you started it?
These cars will blow out a lot of condensation if it is cold and damp weather.

Let the engine warm completely up, either by driving the car, or let it idle for a while. Then give it a few revs, like you did in the video, if it still makes a white smoky cloud like that, smell that exhaust and see if you can detect the odor of antifreeze. It will smell kind of sweet.
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Old 10-28-2015, 10:43 PM   #18
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Attachment 193026 is this an intake manifold gasket?


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Yes.
It's not the correct one for your engine though.
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Old 10-28-2015, 10:47 PM   #19
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Blown Head gasket?

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Old 10-28-2015, 10:50 PM   #20
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Was the engine cold when you started it?
These cars will blow out a lot of condensation if it is cold and damp weather.

Let the engine warm completely up, either by driving the car, or let it idle for a while. Then give it a few revs, like you did in the video, if it still makes a white smoky cloud like that, smell that exhaust and see if you can detect the odor of antifreeze. It will smell kind of sweet.
I basically cranked it up, let the rpms die down then i gave it a 3k rev. The weather was 50° and rainy outside. I just got done washing the car and it has no front bumper, im wondering if some water got inside some place it wasnt supposed to
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Old 10-28-2015, 10:52 PM   #21
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Yes.
It's not the correct one for your engine though.
Would it be an easy fix?
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Old 10-28-2015, 10:54 PM   #22
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I basically cranked it up, let the rpms die down then i gave it a 3k rev. The weather was 50° and rainy outside. I just got done washing the car and it has no front bumper, im wondering if some water got inside some place it wasnt supposed to
Lol.
That's ideal conditions to create condensation.
Do that test after it's warmed up... ON A NICER DAY!
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Old 10-28-2015, 10:57 PM   #23
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Yeah im going to change the oil and coolant tomorrow. It should be 70° and sunny. If that doesnt work then im screwed lol
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Old 10-28-2015, 11:01 PM   #24
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Would it be an easy fix?
It's not too difficult, but it may not be the problem. You may not even have a problem!

The reason that I suspect that my smoking issue may be caused by an intake manifold gasket leaking, is because I can physically see coolant leaking from the outside of the intake manifold.
I would do some more diagnosis, on your car before tearing anything apart.
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Old 10-28-2015, 11:04 PM   #25
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Lol.
That's ideal conditions to create condensation.
Do that test after it's warmed up... ON A NICER DAY!
Would also not having a catback installed increase the amount of smoke?
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Old 10-28-2015, 11:06 PM   #26
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Would also not having a catback installed increase the amount of smoke?
No.
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Old 10-29-2015, 08:07 AM   #27
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doesnt antifreeze smoke up a storm compared to water? it takes a lot of water to make a huge cloud of smoke like in the picture. one time, i drove through a big puddle and my cats hit the water. next thing i know my engine bay got steam cleaned. (little emphasis on cleaned)
another time in a work truck, a bottle of antifreeze busted open in the back of the truck, and some of it dripped onto the exaust pipe between the cab and the bed. i thought the engine had blown or something with the amount of white smoke.

now that i think of it, 50 degrees is pretty cold. but water is definitely a result of combustion and catalytic converters. Im mostly leaning toward extra water vapor. but it is still quite possible, given the vehicles age, that you need a new intake manifold. you can try gasket only, but being plastic, it could easily be warped. especially going from so hot to so cold in your climate.
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Old 10-29-2015, 10:24 AM   #28
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Superdrift has a Mach 1. They have an aluminum intake manifold.
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Old 10-29-2015, 10:30 AM   #29
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ah. hope it aint cracked. (Doubt it.) probably just the gaskets. id change em out anyway just to be safe.
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Old 10-29-2015, 12:48 PM   #30
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Cranked it up and its smoking very lightly
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Old 10-29-2015, 01:20 PM   #31
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Does the exhaust smell sweet like antifreeze, after it has run for a while?
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Old 10-29-2015, 01:33 PM   #32
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It didnt, but i only had it on for 3min to move it in my driveway to change the fuids
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Old 10-29-2015, 01:56 PM   #33
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When you finish changing the fluids, let it idle for about 15 minutes or so, and then throw a couple of revs, and see if it still smokes. Also try to get a good whiff of the exhaust to try and detect any antifreeze odor.

Without getting carbon monoxide poisoning, of course...
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Old 10-29-2015, 02:28 PM   #34
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When you finish changing the fluids, let it idle for about 15 minutes or so, and then throw a couple of revs, and see if it still smokes. Also try to get a good whiff of the exhaust to try and detect any antifreeze odor.

Without getting carbon monoxide poisoning, of course...
That will be an interesting view for his neighbors.

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Old 10-29-2015, 03:26 PM   #35
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It still smokes, and it now has a slight knocking noise only at idle
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