[TheForge] shrink fit techniques etc.

Sun Feb 3 23:19:33 2002

Thanks all for the very "cool" shrink fit techniques and the stem attachment
commentary.
RW
----- Original Message -----
From: Larry <[email protected]>
To: <[email protected]>
Sent: Saturday, February 02, 2002 12:50 PM
Subject: Re: [TheForge] shrink fit techniques


> For years, when I worked on Harley engines, we kept a cup of anti freeze
> in the freezer of the shop fridge.  When we had a valve guide to replace,
> we sized up the hole and matched up our guides cold.  We would then drop
> the guides in the cup of anti freeze along with the guide punches.  We
> then would place the heads on a hot plate with a 1/4 inch steel plate
> under them and heated the plate till it was enough for spit to dance on
> the surface,  (hi tech thermometer) and assembled the parts as quickly as
> possible.  Never had a guide loose in a head, never cracked a head, seemed
> to work.
>
> Larry
>
> "Williams, Mark E." wrote:
>
> > All:
> >
> > A safer bath is dry ice and methanol (wood alcohol). Make sure the dry
> > ice is in small pieces so it forms a slurry with the liquid.
> >
>
> _______________________________________________
> http://mailman.qth.net/mailman/listinfo/theforge
> theforge mail list group photo site is
> http://www.photoaccess.com
> Login:  [email protected]
> password:  anvil
> ___________
>
>
>