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Go Back   ClassicBroncos.com Forums > 66-77 Ford Bronco > Bronco Tech

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Old 11/10/18, 05:29 PM   #1
demesauce
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Head gasket help

Went to replace my cam and noticed water in the oil. So, removed the heads and found water in the top of 4 pistons (3 on passenger side, 1 on drivers side). What are your thoughts? Old gaskets donít look too bad

1973 Ford Bronco: 3.5" suspension lift, 2" body lift, NP 435/D20. Holley Projection, 4.56 gears.
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Old 11/10/18, 06:16 PM   #2
Broncobowsher
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Water probably spilled in when you lifted the head off. Even if you drain the engine there is a little water hiding in the head waiting for you to shake it loose when you pull the heads.

The spark plugs would have told you a better story if there was a cylinder getting water in it. The plug would be extra clean compared to the others.

Coolant in the oil can be other things as well. simple stuff like intake manifold gaskets leaking into the valley.

"She's built like a steakhouse but she handles like a bistro"-Zapp Brannigan
Why do people keep expecting "normal" from me?
Full throttle, it either solves the problem or ends the suspense.
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Old 11/10/18, 07:56 PM   #3
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Hi, X2. If the water was in the crank case when the engine was running you would whip up a white froth.
If the coolant got into the crank case or combustion chambers you would have a loss of coolant and maybe overheat.
You need to always change the oil after the head gaskets are replaced. Good luck
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Old 11/10/18, 11:11 PM   #4
Broncobowsher
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Some water in the crankcase is common if the engine is run short distances and the oil doesn't get a chance to get fully warmed up. This is oil temperature, not water temp. Oil warms up a lot slower than water does, but it also runs hotter, if it is fully warmed up. Short drives and lots of idling the moisture in the blowby will condense in the crankcase.

"She's built like a steakhouse but she handles like a bistro"-Zapp Brannigan
Why do people keep expecting "normal" from me?
Full throttle, it either solves the problem or ends the suspense.
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Old 11/12/18, 12:33 PM   #5
demesauce
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Thank you everyone for the help. Rebuild will commence ASAP

1973 Ford Bronco: 3.5" suspension lift, 2" body lift, NP 435/D20. Holley Projection, 4.56 gears.
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