junkyard 396ss coolant advice/welding

[Julia Wakeling]

You can TIG anything.  The "you can't weld cast iron" myth is just that.
I've welded enough cast iron in my life to have been able to build my whole
house with it.  Now that I mention it.......I DID build my house with it!!
Preheating helps, the electrodes work, yes.  But in a pinch, you can TIG
anything, and MIG most things.  Many a big chevy have I tacked back up to
make a deadline.

Just for fun and games, try this one at home folks.

Take a piece of stainless, a piece of cast iron, a piece of aluminum, and a
piece of steel exhaust tube.  Weld emm all together, with the same MIG
welder, the same wire, without adjusting the gas settings.  You can play
with wire speed and amps.  It takes me about 4 tries to get them all to go
together and be able to smack it with a 5 pound ball peen and hold.  It IS
possible.  Difficult, but possible.  For more fun, try it with flux core MIG
wire!!!  Or torches and no braizing rod!!  Just wear a good set of gloves
and a great helmet.

Playing with metals and getting them to do what physics says can't be done
is an excellent way to spend a lazy Saturday afternoon.  You learn a lot
about how different metals interact, and what REALY goes on inside an
engine.  Or anything that's made of metal for that matter.  Even copper is
fun to play with.  Try mig welding with copper wire.  Lay down a row of
pennies, and turn them into a stick.  You realy do get a good idea of how
the metal reacts to heat, and knowing that lets you get an idea on how heat
in an electrical system works both for and against you.  It realy is fun to
play with, and you get a new respect for the metals we all take for granted.
You realy would be amazed at what you can do with refined dirt.

Happy playing!!

Tim Wakeling
Unleaded Racing Technologies

----- Original Message -----
From: "Warwick Anderson" <warwick at musclecarshootout.com>
To: <diy_efi at diy-efi.org>
Sent: Tuesday, August 28, 2001 10:56 PM
Subject: Re: junkyard 396ss coolant advice/welding


> you can even buy electrodes now that will let you weld cast with out pre
> heating. though when I used them they were very hard to get a good
> penetration in the weld.
> ----- Original Message -----
> From: "David Hunt" <bamainc at home.com>
> To: <diy_efi at diy-efi.org>
> Sent: Wednesday, August 29, 2001 12:17 PM
> Subject: Re: junkyard 396ss coolant advice
>
>
> > Before you welders say that ain't possible,  the technique is to preheat
> the
> > cast metal to about 800 degrees and it will weld!  You CAN repair cast
> iron
> > blocks, heads and other deivces.  It is possible (I don't know) that
> Smokey
> > created the process.
> >
> > dh
> >
> >
> >
> > ----- Original Message -----
> > From: "Barry Tisdale" <btisdale at cybersol.com>
> > To: <diy_efi at diy-efi.org>
> > Sent: Tuesday, August 28, 2001 5:33 PM
> > Subject: Re: junkyard 396ss coolant advice
> >
> >
> > > Ol' Smokey Yunick built some engines & heads w/ this in mind.  He'd
saw
> > the
> > > block/head apart, fit copper tubes inside to direct the water where
> > needed,
> > > weld it back together & refinish it in 'raw cast iron' look to hide
the
> > > welds.  Now that is going to a *lot* of trouble, but it worked very
> well.
> > >
> > > Barry
> > >
> > > At 03:50 PM 8/28/00 -0400, you wrote:
> > > >The coolant is exposed to temps in the range of 500dF around the
> exhuast
> > > >valve seat / guide areas (SBC, at about 1 HP/CID).  It is real easy
to
> > flash
> > > >the coolant into steam in those areas.
> >
>
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