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Re: Filling O ring grooves

To: Bryan Savage <b.a.savage@earthlink.net>
Subject: Re: Filling O ring grooves
From: Chris Harris <yesford@clear.net.nz>
Date: Sat, 30 Oct 2004 10:40:00 +1300
Many thanks to everyone who made suggestions. Now have a range of options to 
discuss with my machinist.
Chris H.............NZed.

> This is what I would try Chris.
>
> Get an Aluminium scrap and cut some groves in it. Use it to practice on 
> and develop
> a method of filling the grove with JB Weld or equivalent. Using single 
> edge razor
> blades as a spreading tool, experiment with different setup times to get a 
> viscosity
> that is workable and gives predictable results.
>
> Note: There are available, in Europe, steel shims designed to compensate 
> for
> head or deck machining.
>
> I hope this helps Chris,
> Bryan
>
>
> Chris Harris wrote:
>
>>> Chris are you trying to get away from a stainless steel 0-ring set up?
>>>
>>> if so why?
>>
>>
>> We set the heads up with O ring grooves to take stainless wire 
>> originally, using copper gaskets and receiver grooves in the block.
>> I'm now setting up a new block and want to go away from the copper gasket 
>> setup and use some of the newer Cometic or similar hi-po gaskets.
>> We're running real tight on piston to valve now and have our squish spot 
>> on so don't want to mill the heads if possible as valve relief's in 
>> pistons are also getting marginal on crown thickness.
>>
>> Chris H.






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