milky oil
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Elder User
Joined: Dec 2000
Posts: 581
Likes: 2
From: Somerset, Pa
milky oil
Saturday afternoon I checked the oil on my 76' f-100 (302 ci)
the oil was starting to get milky in parts. So I figured that I blew a head gastket, I them proceded to use the rest of the afternoon to replace the head gaskets (out side in very cold wether for 6 hours). Got it all put back together got it running again, changed the oil and drank some beer. The next day I drove about 40 miles and on monday I drove about 200 miles. Last night I checed the oil again and.... you guessed it milky again.
My questions are:
Is this an indication that the block is cracked?
Has anyone had success with the radiator stop leak?
How about the posibility of finding a "weaker" radiator cap?
How much can a run an engine with antifreeze in the oil before it dies?
I want to have this engine last till spring since I have a 351w that I will begin rebuilding soon.
PS
If there is anyone in the pittsburgh/morgantown area that has a 302 or 351 that they would be willing to sale for cheap so I can run the truck untill spring/summer.
Thanks,
John
76 f-100 302 c4
79 f-150 351m c6
49 f-1 255 FH 3 on the tree
52 f-1
the oil was starting to get milky in parts. So I figured that I blew a head gastket, I them proceded to use the rest of the afternoon to replace the head gaskets (out side in very cold wether for 6 hours). Got it all put back together got it running again, changed the oil and drank some beer. The next day I drove about 40 miles and on monday I drove about 200 miles. Last night I checed the oil again and.... you guessed it milky again.
My questions are:
Is this an indication that the block is cracked?
Has anyone had success with the radiator stop leak?
How about the posibility of finding a "weaker" radiator cap?
How much can a run an engine with antifreeze in the oil before it dies?
I want to have this engine last till spring since I have a 351w that I will begin rebuilding soon.
PS
If there is anyone in the pittsburgh/morgantown area that has a 302 or 351 that they would be willing to sale for cheap so I can run the truck untill spring/summer.
Thanks,
John
76 f-100 302 c4
79 f-150 351m c6
49 f-1 255 FH 3 on the tree
52 f-1
Thread Starter
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Elder User
Joined: Dec 2000
Posts: 581
Likes: 2
From: Somerset, Pa
milky oil
I'll give it a shot today after work to see.
That did occur to me but I didn't know if condensation would make it quite that milky. (plus I noticed a slight decrease in the colant level but that is kindof hard to judge)
But hopefully it will work.
If it does I will be kicking myself. 55 bucks in gaskets and sealants plus 6 hours of work for something that could be fixed for 3 bucks and 30 sec.
Thanks, John
That did occur to me but I didn't know if condensation would make it quite that milky. (plus I noticed a slight decrease in the colant level but that is kindof hard to judge)
But hopefully it will work.
If it does I will be kicking myself. 55 bucks in gaskets and sealants plus 6 hours of work for something that could be fixed for 3 bucks and 30 sec.
Thanks, John
Freshman User
Joined: Aug 2001
Posts: 36
Likes: 0
milky oil
I had the same problem on my 78 F-250, 400 engine. The oil got real milky and it was the PCV valve. I changed the PCV valve and the oil and kept on driving it. I used Valvoline oil and it is doing fine. This engine has so many miles on it that it could have driven around the moon and back, but it is still running fine. Like you, I am just nursing it through the winter and plan to drop in a fresh engine in the spring. Good Luck - UriF250
Posting Guru
Joined: Jul 2001
Posts: 1,613
Likes: 2
From: Gainesville, FL
milky oil
All,
It's difficult to get the milkshake out. It's possible you've got residual milkshake leftover. If so, you'll be fine after a week or so.
If you run without a thermostat, or you run a cold motor, your motor will not evaporate the condensate and it will get in the oil.
If your loosing coolant, that's a bad sign. Fouled plugs won't be far behind. If it's not the head gasket, you've got nothing left to loose, except a walk home. Keep a warm coat in the truck and a good pair of boots and drive it into the ground.
My Way is the Highway,
KingFisher
It's difficult to get the milkshake out. It's possible you've got residual milkshake leftover. If so, you'll be fine after a week or so.
If you run without a thermostat, or you run a cold motor, your motor will not evaporate the condensate and it will get in the oil.
If your loosing coolant, that's a bad sign. Fouled plugs won't be far behind. If it's not the head gasket, you've got nothing left to loose, except a walk home. Keep a warm coat in the truck and a good pair of boots and drive it into the ground.
My Way is the Highway,
KingFisher
