Mayf;
The key to success is getting the right type of Cometic gasket; there is a
bewildering array of materials, finishes, and designs-- some even have gas-
filled embossed rings. Of course the surface finish and flatness of your
block & heads is critical to sealing.
Regards, Neil Tucson, AZ
--------------------------------------------------
From: "drmayf" <drmayf@mayfco.com>
Sent: Monday, January 18, 2010 5:54 PM
To: "Neil Albaugh" <neil@dbelltech.com>
Cc: "Chris R Harris" <yesford@clear.net.nz>; "desotoman @dslextreme.com"
<desotoman@dslextreme.com>; <Land-speed@autox.team.net>;
<joyseydevil@comcast.net>; <jdincau@qnet.com>
Subject: Re: [Land-speed] Copper head gaskets
> Hey, Neil, can you use a set of them from my sunbeam motor? I used them up
> to 18 pis boost and they started to leak between cylinders... torque was
> 110 on long head studs and 100 on short ones... So far no leaks on the
> SCE ICS Titans which ar eon their first reuse...
>
> mayf
> Neil Albaugh wrote:
>
>> Chris, Tom;
>>
>> For years Cometic has developed gaskets for high performance aerospace
>> applications; I'd trust them to know what they're doing.
>>
>> Regards, Neil Tucson, AZ
>>
>> --------------------------------------------------
>> From: "Chris R Harris" <yesford@clear.net.nz>
>> Sent: Monday, January 18, 2010 3:46 PM
>> To: "desotoman @dslextreme.com" <desotoman@dslextreme.com>;
>> <Land-speed@autox.team.net>; <joyseydevil@comcast.net>;
>> <jdincau@qnet.com>
>> Subject: Re: [Land-speed] Copper head gaskets
>>
>>> Tom, Don't know about ICS copper gaskets but just tried a similar pair
>>> of Titan brand copper gaskets with all the usual
>>> plastic embossing round the various water holes etc. Block decks and
>>> head surfaces all perfectly machined but once
>>> engine was filled with water it dribbled out every where despite 100
>>> ft - lbs torque. Very disappointing. Switched to
>>> Cometic gaskets, worked perfectly. (super charged engine).
>>> Speaking to others later, none in favour of copper gaskets, strikely
>>> 60's technology considering what's available in
>>> head gaskets today.
>>> Chris Harris.......N.Z.ed.
>>> _______________________________________________
>>
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