Help! > Specific Engine Help

Brown Paper Gaskets

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Kim:
I'm getting close to finishing up my current engine build (Marine Twin Cylinder Build (Steamech)http://www.modelenginemaker.com/index.php/topic,1584.0.html) and was considering adding the oil soaked brown paper gaskets I've seen other people use.  But I have a couple of questions:

Does this make a difference in the performance of the engine?  Do you leak less air?

Is it enough difference to make it worth doing?

Any particular kind of brown paper you would recommend?  Brown grocery bag?

And what kind of oil do you soak your brown paper in?  Standard 10-40 motor oil? Way oil (seems so thick)? Light oil, like 3-in-1 or something like that?

As always, thanks for the help!
Kim

fcheslop:
Manilla envelopes work well.
cheers

Pedro:
When I was in San Diego, the store gave free gasket material with any alcohol purchased. Perhaps the authorities have a negative stereotype of mechanics?
Grease is useful with complex gaskets to stick them in position.

Brian Rupnow:
It depends on how good a machinist you are. The smoother the finish on your mating parts, the thinner gasket you can get away with. It does make a huge difference in the performance of the engine. I generally use cardboard cereal box to make gaskets, unless its the head gasket on an i.c. engine.--Perhaps that makes a statement about my machining abilities.--------

Kim:
Interesting...

fcheslop, do you soak your manila envelope with anything? Or do you use it dry?

Pedro, Brian, the cardboard gasket material seems thicker than I was picturing.   There are a couple of place on my engine where I don't think I could handle that additional thickness.  But maybe I need it! :)

Do either of you use oil on your cardboard?  (beyond the grease to get it to stay in place :) )

Thanks for the tips!
Kim

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