View Full Version : cometic head gaskets -sealer needed?
badbug
05-06-2004, 10:12 AM
Do you need some kind of water sealer on the cometic head gaskets for bbc. I am using in jet boat and dont see what will seal the water on the gaskets.
Infomaniac
05-06-2004, 10:20 AM
They say no due to the coating.
I am going to put a thin layer of permatex#2 around all of the water openings.
Hotcrusader76
05-06-2004, 10:36 AM
I used a thin layer of permatex with the cometics as well on my test stand's mule motor..a lil-305 cheby:D ....and it so far has held up under the electic water pumps water pressure.
Never can be too careful.
~Ty
I put them on completely dry. The first set I put on dry kept me up all night wondering if they would leak. Not a drop, they really do work dry, even on a blown application with 10+ lbs of boost. I like them.:D
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