[Fot] Coolant conundrum

[Anthony Parker]

Thanks Tony,

It's a GT6.

I understand and agree with you.


________________________________
From: Tony Drews <tony at tonydrews.com>
Sent: Saturday, September 23, 2023 2:17 PM
To: Anthony Parker <solarant at hotmail.com>; FOT Triumph <fot at autox.team.net>
Subject: Re: [Fot] Coolant conundrum


You don't say what kind of car.  I had a similar issue in my TR-4, changed head gasket 3 times and then discovered I had a crack in the head in the combustion chamber.


Sure sounds like a leak from combustion chamber into cooling system from the description.  Temperature spikes after pushing out water is a classic symptom, the rapid pressurization is a classic symptom.


Regards, Tony Drews


On 9/23/2023 10:02 AM, Anthony Parker via Fot wrote:
I'm having cooling problems.
Need help being convinced that I have to do what I don't want to do.

Brand new short block, same old head, water pump, and radiator.

Over three trials, the engine will run fine and warm up with radiator hoses and radiator warming properly. Then the hoses and radiator will cool and coolant temp will spike to 230+. Radiator cold with sky high coolant temps.

Two more clues, hoses seem to pressurize very quickly and when I opened the radiator cap this morning (after cooling all night) pressurized air and coolant shot everywhere.

No thermostat and I have confirmed three times that system is completely full

Seems I have combustion gases getting into coolant and then bubbles eventually removing pump prime.

Don't know what else it could be.

Given the apparent direction of the leak, is there any use in trying some "stop leak" product?

Is it time to pull the head again to look for warping or gasket leak?

I suppose it could be a cracked cylinder, but this block has been checked by two different trusted engine machinists.

Desperately trying to get to the RunOffs, Anthony.



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