[Healeys] still overheating

[Kees Oudesluijs]

As the problem arrose rather suddenly, I would not realy think of a head 
gasket, also as there is no oil in water or v.v.  Also the car is 
running smoothly which does not indicate poor adjustment of carbs and/or 
ignition (my first thoughts) or blown head gasket. Waterpump or 
thermostat (sorry) would be the biggest suspects.

You say that the engine was rebuilt 40 years ago. Was the coolant 
replaced and the engine/radiator flushed periodically, say every 2-3 
years? Could it be that the engine has silted up and suddenly some 
sediment particles come loose blocking some passage or radiator?

Kees Oudesluijs


Op 25-9-2018 om 18:36 schreef i erbs:
> no oil in water, no water in the oil
> water just circulates in radiator when thermostat opens, no bubbles
> Will get a test kit to check radiator water. Car runs really smoothly. 
> I'm actually quite happy with it.
> Ira Erbs
> Portland,OR
> _______                _______
> (______ \____1959 BN4____/ _______)
> (_________________________)
>           BT7 engine and disk brakes
>
>
> 1967 MGB MG
>
> A racing car is an animal with a thousand adjustments. Mario Andretti
> Please excuse random auto corrects and misspelled words
>
>
> On Tue, Sep 25, 2018 at 9:10 AM Bob Spidell <bspidell at comcast.net 
> <mailto:bspidell at comcast.net>> wrote:
>
>     Hate to say it, but an overheating issue that happens suddenly
>     like that could be a blown head gasket.  There are test kits for
>     exhaust gasses in the coolant, and you could start with a
>     compression test.
>
>     These guys are pretty good:
>
>     https://www.2carpros.com/articles/head-gasket-blown-test
>
>     Bob
>
>
>     On 9/24/2018 8:19 PM, i erbs wrote:
>>     My car was running great...
>>     In june it was running hot on  our trip to Victoria BC. It had
>>     been running around 185. On trip it started running up to 212 and
>>     then way hot after parking.
>>     The car has continued to behave this way all summer. I replaced
>>     the newish radiator cap topped up and went for a drive tonight.
>>     64 degrees ambient temp.
>>     Drove for 30 miles and stopped to check. Temp went past 220 and
>>     water began to flow out the overflow tube and some squirted out
>>     of the hose fitting and water pooled around the bottom of the
>>     filler neck.
>>     So why would start doing this after running cool and fine for a
>>     year or so?  I'm going to see if I can borrow a pump to check the
>>     radiator neck for poor cap fitting. I don't understand what would
>>     cause it to happen?
>>     Sorry, I have to mention that the thermostat opened at about 168
>>     degrees and water flowed through the system
>>     Ira Erbs
>>     Portland,OR
>>     _______      _______
>>          (______ \____1959 BN4____/ _______)
>>     (_________________________)
>>               BT7 engine and disk brakes
>>
>>
>>     1967 MGB MG
>>
>>     A racing car is an animal with a thousand adjustments. Mario Andretti
>>     Please excuse random auto corrects and misspelled words
>>
>
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