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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