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Posted by Private on March 23, 2008, 2:27 pm
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>>>>Then TWANG!
>>>>
>>>>Something fell into the fan and it threw it into the radiator causing a
>>>>hole. Looked under the engine, and it was half a lock washer. I have
>>>>no
>>>>clue where it vibrated from, probably somewhere around the shroud. I'll
>>>>take the radiator to Vegas Wednesday where the best radiator man I know
>>>>has
>>>>a shop.
>>>>
>>>>
>>> You simply cant use acid core solder to patch the hole?
>>>
>>> Gunner
>> I have successfully repaired radiator holes with JB Weld as well as with
>> solder.
>>
>> Don Young
>
> I tried some solder I use for pipes, but it wouldn't work. I will buy
> some acid core today and try that. I did use flux, too, but no dice. My
> MAPP gas torch was acting up, so had to use propane/ox cutting torch at a
> very low setting. May buy a new valve today, too.
>
> Steve
Considering the low initial cost and very high value of this machine as well
as its age, IMHO it is well worth doing a proper complete rebuild of the rad
at this time. A field repair with solder or especially JB weld is IMHE a
temporary fix and IMHO this machine deserves better.
IMHE these rads do suffer damage from vibration and failed solder joints and
mounts are fairly common. Most older cooling systems are also suffering the
effects of ageing coolant with silica gel and dropout as well as internal
corrosion. These old copper & brass rads will really benefit from a proper
rad rebuild including a soak in the cleaning tank, removal of the end tanks
and a rod out, and the mounts and joints will benefit from solder renewal.
This rebuild work will allow the rad to give many more years of service,
consider it a half-life rebuild.
I would also suggest you combine the rad rebuild with a proper block flush
before refilling with a 50/50 mixture of long life antifreeze and DISTILLED
water. DO NOT USE TAP (OR ESPECIALLY WELL) WATER FOR MIXING COOLANT.
Distilled or RO or other deionized water can be obtained inexpensively at
most health food stores or you can use premixed$$ coolant.
I also suggest this may be a good time to replace the drain plugs and valves
with new valves with attached drain hoses that will facilitate easy recovery
of coolant at any future required servicing.
When you go to see your friend the rad guy, I suggest you also take your gas
tank as the rad cleaning tank will also do a great job of removing any old
gas gunk & varnish from it.
Good luck, YMMV
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>Put it back together. Was running really good.
>
>Then TWANG!
>
>Something fell into the fan and it threw it into the radiator causing a
>hole. Looked under the engine, and it was half a lock washer. I have no
>clue where it vibrated from, probably somewhere around the shroud. I'll
>take the radiator to Vegas Wednesday where the best radiator man I know has
>a shop.
>
>It's always something.
>
>In the meantime, I have just put it all on hold and am working on other home
>projects.
>
>Steve
>