Re: Possible Head gasket leak or worse

If he has cross-over pipes that might explain the issue at being able to detect the coolant odor at both exhaust pipes, if the problem is only from one head.

If it gets into the oil that will be a problem

David C Hurd

via iPhone

On Aug 19, 2022, at 8:27 PM, derrickb81@xxxxxxxxxxx wrote:

What about a possible simpler issue ? Exhaust manifold stud leaking into the exhaust manifold?

Sent from my iPad
Derrickb81@xxxxxxxxxxx

On Aug 19, 2022, at 9:50 PM, 62-65-mail-list-club-Gary-H <62-65-mail-list-club@xxxxxxxxxxx> wrote:

The H-Freight tester must "sniff" for hydrocarbons by drawing air from the cap opening on the radiator?
(That is similar testing approach that emissions (tailpipe) sniffers use.) That is pretty accurate, afaik.
If you nose-test the antifreeze in the radiator with the engine running, sometimes you can get a small sense of exhaust gas, indicating a possible head gasket failure. That is the same idea as the tool, just less precise.

You can also do a similar test again by putting your hand on the exhaust pipe with the engine running and the the smell your hand to see if you detect antifreeze.

A coolant system pressure tester is another tool to try, often available to rent for free at auto parts stores.

Could the "wisps of vapor coming from both tail pipes" have been condensation?

Thanks,
Gary H.

-------Original Message-------

We followed my 64 Sport Fury to a car show on Sunday and I noticed
what I took to be the telltale odor of antifreeze coming from exhaust.
When I shut it off in my garage later. there were wisps of vapor
coming from both tail pipes. Smelled them.....smelled like antifreeze.
We drove the car daily in Reno for Hot August Nights and I had to add
maybe quart of liquid to the radiator after 4 days in the heat.
I got a Harbor Freight antifreeze hydrocarbon tester, followed the
instructions carefully; motor at temperature, radiator liquid flowing
as it should with the thermostat open. The liquid in the tube never
changed color. A problem I had though was that the action of the bulb
being squeezed would create a vacuum in the radiator every 30 squeezes
or so.

How sensitive are these hydrocarbon antifreeze tests? At this point
I'm thinking the leak isn't big enough yet or I'm chasing ghosts.

If there is a leak, I am "assuming" (yes, I know) that it's either a
head gasket or a cracked head. Any other possibilities?

Any tips or advice really appreciated. Thanks/Butch --
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