[DeTomaso] radiator
www.ProvaMo.com
pantera007 at sbcglobal.net
Wed Jul 25 20:38:05 EDT 2007
In one case (a Datsun 510) the tube that goes to the overflow bottle
broke free. I used the hand torch (propane ???) and rosin-core solder
(radio shack)
to solder a glob around the leak.
Another time a rock impacted right where a fin was soldered to the upper
tank
(On a vertical fin top-to-bottom style). Made a hell-of-a-mess down the
front of the radiator
late one night, but it sealed.
Later I had to cut this tube out, and fill the new holes with solder, as the
whole tube
was apparently damaged.
What is worth noting is that using a lot of "flux" (Rosin) helps the solder
flow and adhere
to the radiator. Also use a wire brush to remove any/all paint or "debris"
so you make a good contact.
On the Datsun, the top tank is/was known for cracking/leaks with hard
driving.
What I did was to empty it, turn it upside-down and fill the whole channel
between the tank and
the core with solder. After this, I didn't have any more
vibration-generated leaks.
I would not care to "build" a radiator this way, as I believe this is not an
optimum solution.
The heat generated by a hand torch is marginal at best. Add the dissipation
effects of a radiator
still filled with "some" coolant (like a roadside repair), and you are
testing the limits.
I found that once I traveled with the tools in my trunk, I NEVER needed to
roadside-repair
a radiator again. Hmmmm. Murphy's Luck.
I suggest you play with an old radiator (if you have one) and see what you
can do.
I've seen some really cool tiny welding torches (tank is hand-size), not
good for a long time welding,
but at the track, or in a squeeze, they produce more BTUs than the Wal*Mart
variety.
They are pretty good at getting truthful answers out of suspects too.
(Doop, did I write that !?!?! GRIN)
Chuck
Dear Chuck,
Please elaborate and explain. I had no idea that was
possible nor any idea a simple Wal Mart hand torch can repair a leaking
radiator. I would think the coolant contained within the radiator would
make such a task very difficult, yet you say it is easily doable?
Impressed, Chuck Engles
----- Original Message -----
From: "www.ProvaMo.com" <pantera007 at sbcglobal.net>
To: <detomaso at realbig.com>
Sent: Wednesday, July 25, 2007 7:07 PM
Subject: Re: [DeTomaso] radiator
> Something to mention:
>
> It is often not required to go to a shop to fix a brass radiator. I have
> fixed many
> with a hand torch (bought for a few bucks at Wal*Mart).
>
> Once, on a long road trip a radiator sprung a leak. Fixed it myself
> within
> 1 hour, (radiator left in place),
> for a cost of ~$10 (between 10:30 pm and 11:30 pm).
>
> Chuck
>
>
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> 2:55 PM
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