Curing The Black Ooze
 

Since the 1st run of the rebuilt engine in my 190A, a "Black Ooze" has been weeping out the cylinder head gasket. My fear is that the head gasket will fail while away on a cruise, so I am in the process of replacing it.

The engine is a Model "B" with the 2 extra water holes in the block plugged. The weeping gasket is a FEL-PRO 7013 R1. The cylinder head is a brand new Spender's 5:5:1 Model "A" head. Compression readings were normal. The 7013 R1 was coated with copper gasket sealer when I installed it. Re-torquing of the head bolts a few times did not stop the Ooze. Barr's Stop Leak did not stop the Ooze. In my opinion, the 7013 R1 Gasket is the culprit.
The new gasket is a 7013 R3.https://www.fordbarn.com/forum/hamb/.../newthread.gif What is the difference between the R1 and the R3? I need some confidence that the R3 will solve the Black Ooze problem.

Re: Curing The Black Ooze
 

Bob,


Some have found it necessary to plane even new heads.


I'd double check the flatness of that block deck as well.


That appears to be more than just a weeping gasket failure.


JB

Re: Curing The Black Ooze
 

There's another "thread" going on about h/gaskets. The R-3 works on bigger bore engines and has diff material than the R-1.


"The cylinder head is a brand new Spender's 5:5:1 Model "A" head. Compression readings were normal." Who makes this head and available from who??
Paul in CT

Re: Curing The Black Ooze
 

Model As are notoriuos for weeping under the head but I've never seen one that bad! Would some high temp gasket sealer help? I use it and like I said, I have never seen any as bad as that. Just wondering.

Re: Curing The Black Ooze
 

How often have you cleaned that black off? That definitely shouldn't be the water in your block that color.

Re: Curing The Black Ooze
 

Re: Curing The Black Ooze
 

Good info on proper head gasket torque-Proper steps! also info on the types pf gaskets for the B engine- Never had a gasket fail with the technique by Larry B. Copper only-Not the new ones with silicone they fail! I know! See post #6 for link.

Re: Curing The Black Ooze
 

Did you lay the gasket on the head and on the block to see where the fire rings lay?

Re: Curing The Black Ooze
 

That looks like a lot of oil being pumped by the pistons, what color is your exhaust?

Re: Curing The Black Ooze
 

Bob: Looks like you have a '32 oil filler pipe. Is that internally clear? Some like the BEST gasket for the hc heads. We have some black ooze coming from the front crankshaft rope on a recent rebuild with 6.1 head, etc.

Re: Curing The Black Ooze
 

It looks to me like you are getting crank case oil up into the cylinders. Are you sure the cap on the oil tube is venting the crank case properly.


Tom Endy

Re: Curing The Black Ooze
 

... PM sent

Re: Curing The Black Ooze
 

Is there any oil in the coolant?

Re: Curing The Black Ooze
 

The winning diagnoses are by Redmodelt and Tom Endy. The Black Ooze is motor oil. On the basis of the photos below, what is your analysis of what went wrong?

Re: Curing The Black Ooze
 

insufficient details ...

Re: Curing The Black Ooze
 

I have had to surface a new snyders head. They must warp a little sfter macining. New Cast iron brake drums also need to be trued.

I like Best brand gaskets. They have. Copper and a graphtite. Both have an excellent reputation. I use the graphtite. Snyders sell their gaskets. They are fine for an overbore also.

John

Re: Curing The Black Ooze
 

At our shop we lightly plane all heads before reassembly, even new replacements, as our straight edge usually shows enough warp to cause problems.

Re: Curing The Black Ooze
 

The photos show there may be a head flatness problem, but I don't think that was the cause of the oil getting up into the cylinders. I still think you have a crank case venting problem. The oil vent tube or the cap may be partially blocked. Someone could have put a Brillo pad in the cap.


Tom Endy

Re: Curing The Black Ooze
 

the pix show the top of the cylinders are burned, and the ooze is more than just oil, it is burned oil.
rings too tight? low water level? low grade oil?


might be a good idea to pop the pan, and pop the pistons and see what they look like

Re: Curing The Black Ooze
 

The head is flat, no warp. The block is flat too. The motor oil is a synthetic blend 10W30.