Sand was used to cast the molds for the blocks. It's a process called sand
casting. - Ian
----- Original Message -----
From: <bmounce@impop.bellatlantic.net>
To: <Jay_Laifman@countrywide.com>
Cc: <alpines@autox.team.net>; "Patrick" <pLaske@bigfoot.com>
Sent: Tuesday, April 24, 2001 5:16 PM
Subject: Re: Cooling system help
> More new stuff for me to learn! May I ask what 'sand' is, and why it's in
your
> block? Did you get it at the beach? (Kidding).
>
> Thx, Bill
>
> Jay_Laifman@countrywide.com wrote:
>
> > Here is a different take on it. I put in a deeper radiator and used to
run
> > a flex fan here in the Southern California San Fernando Valley, all year
> > round. It gets over 100 here during the late summer. That used to do
> > generally ok, but still would get quite hot on those ugly days and stop
and
> > go traffic.
> >
> > Since then, I have rebuilt the engine. This included dumping all that
> > "sand" out of the block, putting on the Holbay head and going back to
the
> > stock 6 bladed fan. Now, it is like a tank. It never gets up near the
> > limit. In fact on some cooler days, it seems not even to get as high as
> > I'd think it should. I don't know what did it. I don't know if it was
> > that "sand" or if the Holbay head is some how more efficient. All I
know
> > is the difference is amazing, and I'm not using a special fan.
> >
> > Jay
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