[Fot] hardened washers

[Guyots3 at wmconnect.com]

In a message dated 7/8/2008 5:15:56 PM Pacific Daylight Time, 
fot-request at autox.team.net writes:

> To: "'FOT'" <fot at autox.team.net>
> Cc: Ryan Murphy <rpm724 at att.net>,    "Ryan Murphy \(work\)"
>     <Ryan.Murphy at fdlco.wi.gov>
>  
> I'm looking for hardened and ground washers for the cylinder head nuts and 
> the
> rocker stud nuts.  Been reading Carroll Smith's book on fasteners and he 
> makes
> sense to use these washers in this application, especially the cylinder head
> which has spot faced locations for the washers.  I have washer from Moss but
> they all are "crushed" and obviously not very hard.  (Checked with a file and
> they are just plain washers as far as I can tell, the right size though,
> almost.)  On the rocker studs, I had used double Gr. 8 washers and they still
> got "dished" into the rocker pedestal holes.  I'm wondering if some of the
> rocker pedestal stud breakage is from not having a good hardened and ground
> washer under the nut and the nut loosing it's tension and/or bending causing
> the breakage that has been reported.  This has probably been discussed and
> maybe everyone is already using these type of washers.  I'm still pretty new
> at this and still have a lot to learn.
> 
> Would appreciate anyone who has a source for these type of washers in the 
> size
> needed.  Did the usual Google thing and haven't come up with a supplier who
> would sell just 20 or so.
> 
> Thanks,
> Tim
> 1961 TR4 #317

Tim,

ARP or Coast Fabrications both supply such washers, you will need 
measurements when ordering, including thickness.

Also get their catalogs.

Leon

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