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Old 09-27-2013, 01:26 AM   #1
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White smoke?

So I tend to get this puff of smoke when starting the car sumtimes. It varies in size time to time. It also seems to have sum blow by in the baffled valve covers. Has a low end miss but still runs good an strong. Thinking head gasket or maybe intake gasket? Help plz
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Old 09-27-2013, 11:52 AM   #2
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Does it have white smoke all the time or just on startup? How bad is it? Blow by usually indicates a shot ring.
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Old 09-27-2013, 12:21 PM   #3
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Stock heads? Could be valve stem seals. Once it warms up it will go away. Lucas makes an oil additive you add in with your oil change. Helps keep that away until you can get them replaced.if you have blow by in the valve covers i agree with Scotty could be bad rings could also mean bad valves. Had a piece of exhaust valve crack out. It ran strong until the rest of the valve fell out.
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Old 09-27-2013, 01:03 PM   #4
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Is seems to just be on start up and you can barley see any at idle. I thought rings at first but white smoke normally means coolant so it's got me confused. The heads are soposed to be worked e7tes instead of the e5s
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Old 09-27-2013, 01:37 PM   #5
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Sounds like a small tear or distorted head gasket. They do swell slightly once the engine heats up and it's possible for the leak to be so small it's mostly clogged when the engine is warm. However, it should still puff a little white smoke at WOT too. Have you noticed this at all?

I just fixed a very similar head gasket issue on my cousin's 363ci 302. He was burning such a small amount of coolant, it was hard to even tell. Had me stumped for a little while. However, looking at the head gasket I could see exactly where the break/leak was. The engine runs much stronger now, btw!

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Old 09-27-2013, 01:45 PM   #6
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Thanks for the info Shane, I haven't noticed any wot smoke and I tend to open it up a good bit.
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Old 09-30-2013, 03:35 PM   #7
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Thanks for the info Shane, I haven't noticed any wot smoke and I tend to open it up a good bit.
Now you have me stumped... There should be some white smoke at WOT at the very least. Maybe a friend of yours could stand out by the street/track and watch the exhaust closely as you punch it, in any gear. You shouldn't have to be in WOT for very long to notice the white smoke.

Let me know if you have anymore updates or feedback. I'd like to help you figure this out!

Shane
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Old 09-30-2013, 10:12 PM   #8
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Well today it didn't smoke much at all, only on a few start ups. Had wide open a few times today and can't see anything
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Old 10-01-2013, 04:16 PM   #9
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Have you noticed you're going through any coolant?

You could also try a compression test on every cylinder and see if there's two weak cylinders side by side. That would lead to a torn head gasket.

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Old 10-04-2013, 02:02 PM   #10
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Any luck trying a compression test or have any other updates? Also, have you checked your coolant levels recently? Do they seem to be lower at all?

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Old 10-05-2013, 12:37 AM   #11
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Currently don't have a way to compression test and my coolant was low a few days ago wen it smoked for a bit. Started it yesterday an no smoke on start up a few times then just a light haze at idle went up the driveway an back an the haze/white smoke got a lil thinker an would get worse with revs
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Old 10-05-2013, 10:15 PM   #12
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Quote:
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Currently don't have a way to compression test and my coolant was low a few days ago wen it smoked for a bit. Started it yesterday an no smoke on start up a few times then just a light haze at idle went up the driveway an back an the haze/white smoke got a lil thinker an would get worse with revs
maybe a split cylinder wall??
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Old 10-07-2013, 01:27 PM   #13
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Quote:
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Currently don't have a way to compression test and my coolant was low a few days ago wen it smoked for a bit. Started it yesterday an no smoke on start up a few times then just a light haze at idle went up the driveway an back an the haze/white smoke got a lil thinker an would get worse with revs
It sounds like you're definitely burning coolant, unfortunately. The next thing to do is start taking engine apart and checking all the coolant passages. Unfortunately the issue is definitely internal, so you'll have to take the heads off anyways. Hopefully you'll find the issue in the head gaskets!

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Old 10-08-2013, 02:03 PM   #14
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Well I started driving it again the past few days and again the worst is on startup ever few times. Went thru the drive thru an was smoking kinda bad for a few but once driving again it was fine. Wen I was sitting I could kinda smell burning oil in the smoke
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Old 10-10-2013, 07:56 AM   #15
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It seems like you have bad rings, for sure...

Admittedly, it's no small task changing them but, that's what it is, I'm pretty sure

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Old 10-10-2013, 08:21 AM   #16
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You know. I wonder if it's the same as mine right now. Valves are in bad shape. I noticed as i was putting the heads back on last year after changing stem seals. What a waste of time. Valves are so pitted. . I put them back on anyway and am working a set up now to replace them unless i get the Ford Racing GT-40x ones over the winter...
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Old 10-10-2013, 01:02 PM   #17
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Would that cause it to drink a few rows of coolant?
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Old 10-10-2013, 07:41 PM   #18
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Would that cause it to drink a few rows of coolant?
mine has been. Keep thinking its the head gaskets but starting to wonder if its the heads. I have had one crack in my truck before....
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Old 10-11-2013, 04:02 AM   #19
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I'm close to trying a head gasket change
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Old 10-11-2013, 09:14 AM   #20
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I'm close to trying a head gasket change
have you changed them yet? How many miles? Did the car sit for long periods of time?
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Old 10-11-2013, 08:07 PM   #21
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Nah I haven't had to put any money into the car Since I've had it and idk how old the ones on it are. Nor have I ever changed a headgasket or had one blow
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Old 10-12-2013, 09:55 AM   #22
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Nah I haven't had to put any money into the car Since I've had it and idk how old the ones on it are. Nor have I ever changed a headgasket or had one blow
well sir it sounds like your head gasket fairy has missed this one. Lol. Get a set of Cometic head gaskets.
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Old 10-12-2013, 11:00 AM   #23
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You think that will fix it? And would I be able to just replace the gasket or do I need to send off the heads
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Old 10-12-2013, 11:03 AM   #24
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You think that will fix it? And would I be able to just replace the gasket or do I need to send off the heads
should be no reason to send out the heads unless you want to have them ported. A simple head gasket change is an afternoon of work. Just make sure you re torque the head gaskets and get the rubber valve cover gaskets. No need to silicone them so u can pull valve covers off.
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Old 10-12-2013, 10:37 PM   #25
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But still need to silicone the head gaskets rite? And is the rubber v gasket reuse-able?
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Old 10-14-2013, 05:25 AM   #26
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But still need to silicone the head gaskets rite? And is the rubber v gasket reuse-able?
no. Dont silicone head gaskets.
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