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[Land-speed] Fw: Copper head gaskets

To: "LandSpeed List" <Land-speed@autox.team.net>
Subject: [Land-speed] Fw: Copper head gaskets
From: "John Burk" <joyseydevil@comcast.net>
Date: Sun, 17 Jan 2010 21:51:31 -0500
Thanks Jim , the crushable sparkplug gaskets are a neat trick . How much 
water pressure do they retrain ? Could the o-rings have been sucked inward 
by vacuum the first timed the engine cooled ?
John

----- Original Message ----- 
From: "Jim Dincau" <jdincau@qnet.com>
To: "land Speed List" <land-speed@autox.team.net>; "John Burk" 
<joyseydevil@comcast.net>
Sent: Sunday, January 17, 2010 8:58 PM
Subject: Re: [Land-speed] Copper head gaskets


> John,
>     Ken and I tried of-rings, it didn't work. An o-ring needs a grove to 
> remain stable, just squeezing them between the head and block tended to 
> turn them into figure eights. We have had good luck with crushable spark 
> plug washers and a little high temp silicone. Open the holes in the head 
> gasket to just accept the washers. This is only good if the holes you want 
> to seal are relatively small , spark plug diameter or less. This was on a 
> blown alcohol aluminum block iron head motor. I wish we could take credit 
> for this but it was suggested by Nick Arias.
> Jim in Palmdale
>
>
> ----- Original Message ----- 
> From: "John Burk" <joyseydevil@comcast.net>
> To: "LandSpeed List" <Land-speed@autox.team.net>
> Sent: Sunday, January 17, 2010 5:21 PM
> Subject: [Land-speed] Copper head gaskets
>
>
>> Sealing around the water holes in Copper head gaskets has been discussed
>> before , silicone w/ thread , Copper coat , caskets with beads . Are 
>> there any
>> new tricks or thoughts on the subject ? Has anybody tried oversizing the 
>> water
>> holes in the gaskets and placing o-rings around each hole ?
>>
>> John
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