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Author Topic:   Moisture in oil
66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 10-27-2002 02:18 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
Since it is getting colder out is it normal to have cream colored oil or water on dip stick?A guy at work says it is but I wanted to check with you all .Thanks,Tony

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V8 Thumper
Gearhead

Posts: 3529
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 10-27-2002 02:38 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
There's NOTHING normal about that at all

Unfortunately, seasonal weather has nothing to do with it. If your oil looks like a milkshake, it's contaminated with water

Has the motor been overheated?

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Moneymaker
Administrator

Posts: 19751
From: Lyons, IL, USA
Registered: May 99

posted 10-27-2002 02:41 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
You have a coolant leak of some sort. Even the greatest amount of condensation due to many aluminum componants and extreme weather shifts should not give you enough moisture to have coffee with cream colored motor oil.
I will get a trace or so or moisture inside MM's valve covers when there are severe weather shifts and that is only condensation.

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 10-27-2002 02:53 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
Well you know my motor has ran hotter than normal since I built it.When it is 60 degrees outside it runs about 3/4 on my gauge which I know is hotter than it should but I don`t think its hot enough to hurt it.I don`t have any coolant leak that I can tell.My level in radiator is still full.I guess that I won`t drive it till I drill out them steam holes in my heads.Then I can replace head gaskets too.Thanks,Tony

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V8 Thumper
Gearhead

Posts: 3529
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 10-27-2002 03:04 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
Hey Tony... (pardon my senility ) is your motor the later model block with the earlier heads?

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 10-27-2002 03:10 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
Yes it is

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V8 Thumper
Gearhead

Posts: 3529
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 10-27-2002 03:27 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
I was faced with the same issue, but reversed. I've got an early block with late heads, so my solution was to drill the block (as directed by Trick Flow). There is a coolant passage/head gasket mismatch in your engine, I'd almost guarantee that's where your problem lies. If you intend on running the early heads (smaller combustion chambers, higher compression ), you may be faced with tapping/pinning the existing steam holes in the heads (which would require the heads to be surfaced), and re-drilling the late pattern using a head gasket as a template.

Anyone verify this?

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 10-27-2002 06:28 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
I have since check my oil around 6 times and it seems that the milky stuff is mostly in my dip stick tube. The oil it self looks good.I also looked at my oil cap and it too had the milky stuff on the end but I can see the rockers and they look clean.V8 Thumper,where are the steam holes located?I`m going to tear the heads off next weekend.Thanks,Tony

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 10-27-2002 06:30 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
I have since check my oil around 6 times and it seems that the milky stuff is mostly in my dip stick tube. The oil it self looks good.I also looked at my oil cap and it too had the milky stuff on the end but I can see the rockers and they look clean.V8 Thumper,where are the steam holes located?I`m going to tear the heads off next weekend.Thanks,Tony

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 10-27-2002 06:31 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
I have since check my oil around 6 times and it seems that the milky stuff is mostly in my dip stick tube. The oil it self looks good.I also looked at my oil cap and it too had the milky stuff on the end but I can see the rockers and they look clean.V8 Thumper,where are the steam holes located?I`m going to tear the heads off next weekend.Thanks,Tony

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 10-27-2002 06:32 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
I have since check my oil around 6 times and it seems that the milky stuff is mostly in my dip stick tube. The oil it self looks good.I also looked at my oil cap and it too had the milky stuff on the end but I can see the rockers and they look clean.V8 Thumper,where are the steam holes located?I`m going to tear the heads off next weekend.Thanks,Tony

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Ken
Gearhead

Posts: 3981
From: Prospect, Ct. M&M Member No. 31 MCA Member 49299
Registered: Jun 99

posted 10-27-2002 06:32 PM     Click Here to See the Profile for Ken   Click Here to Email Ken     Edit/Delete Message   Reply w/Quote
Wow, you checked it 24 times already ??

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Ken
1965 Springtime Yellow Coupe - 302GT40-4spd
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[This message has been edited by Ken (edited 10-27-2002).]

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 10-27-2002 06:35 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
Sorry, I don`t know what happen.

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V8 Thumper
Gearhead

Posts: 3529
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 10-27-2002 06:42 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by 66bluefb:
V8 Thumper,where are the steam holes located?

The early steam hole pattern is at the 12 o'clock position over each cylinder, and (roughly) the 1:00 position for the late pattern. Check this out:

https://mustangsandmore.com/ubb/Forum1/HTML/007553.html

You can see the two patterns in the deck, the 1 o'clock holes I drilled. Your block will not have the holes directly over each cylinder. If you decide to drill the block, watch the casting shape of the lifter valley. Use caution as to not drill thru past the water jacket and into the valley... junk block

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 10-27-2002 06:47 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
V8 Thumper,Can I just drill the heads and not the block?

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V8 Thumper
Gearhead

Posts: 3529
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 10-27-2002 06:55 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
Not knowing exactally how the water jackets of early cast heads are configured, I can't for sure say 'yes', but I would think so. Proper head gasket choice will be critical as well. Do NOT drill holes in your heads on my recommendation, maybe author a post on the subject and find out what other guys have done with a motor package similar to yours. I'm sure you're not the first guy to put early heads on a 5.0

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 10-27-2002 07:00 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
Thanks V8,I`ve had others e-mail me when I was going to trade heads and said they were using 289 heads on late model block and they just drill the steam holes bigger with a 1/4 in. drill.But thanks to you and your pic I know where they are now.Thanks, Tony

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cobravenom71
Gearhead

Posts: 779
From: Kissimee, Fl USA
Registered: Aug 2002

posted 10-27-2002 07:46 PM     Click Here to See the Profile for cobravenom71   Click Here to Email cobravenom71     Edit/Delete Message   Reply w/Quote
It sounds like you probably have the situation figured out, but you might want to check on a couple of other things also. Make sure that the breather on the valve cover is working properly, and check on the PCV valve also.
You said that the motor was recently rebuilt, so this may not apply: On a worn motor, sometimes a lot of condesation leaks past the valve-guides. Good luck, Kit.

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mustangboy
Gearhead

Posts: 670
From: Ont, Canada
Registered: Mar 2002

posted 10-29-2002 10:16 AM     Click Here to See the Profile for mustangboy     Edit/Delete Message   Reply w/Quote
I used to have an old 85 Escort and in the winter the thing would have tons of that white milky crap on the dipstick and in the tube and on the filler cap.It made it very difficult to check the oil.In the summer time the white crap all disappeared and the oil in the pan was dark summer or winter,never really could figure it out but the motor did have lots of miles on it.

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