Check the oil for presence of water. If the head is cracked oil and water
will mix in the sump
Ira Erbs
Portland,OR
_______ _______
(______ \____1959 BN4____/ _______)
(_________________________)
BT7 engine and disk brakes
A racing car is an animal with a thousand adjustments. Mario Andretti
Please excuse random auto corrects and misspelled words
On Wed, Jul 19, 2017 at 5:12 PM, Bob Spidell <bspidell at comcast.net> wrote:
> After thinking about it, this sounds like a head/gasket leak. The
> leak--and subsequent overheating--would be greater under load, and as heat
> increased, the crack would grow, causing greater heating.
>
>
>
> On 7/19/2017 4:55 PM, Bob Spidell wrote:
>
>> My thoughts too. I've done everything Kees suggested, with the exception
>> of the electric fan. My BJ8 will go 80mph all day in 100+degF heat--just
>> did almost five thousand miles through southern CA, NV, AZ, UT, WY, MT, WA,
>> OR and 3 Canadian provinces--and stay below 190degF, and my BN2 will do
>> 70mph on hot days and stay below 190, which amazes me because it has that
>> goofy, one piece cast aluminium fan. Neither will even get up to
>> 180--thermo setpoint--unless it's at least 75deg out. I did hit 212 one
>> time pulling the Panamint grade out of Death Valley on a 115deg day (had to
>> use the heater as an auxiliary radiator--that was fun).
>>
>> John's car is heating up at speed, which is not the usual problem (which
>> is heating up in stop-and-go traffic). I'm thinking there are other
>> issues--timing, mixture, crud in the block, ineffective pump, etc.--that an
>> Al radiator may help mask, but sooner or later the piper has to be paid.
>> Anyway, isn't the main/only benefit of an Al radiator is a bit of weight
>> saving? IIRC, copper and brass are better heat conductors than Al.
>>
>> I know I didn't answer your question, John, but I suspect a shiny new
>> radiator isn't going to fix the underlying problem.
>>
>> Bob
>>
>>
>> On 7/19/2017 3:23 PM, Oudesluys wrote:
>>
>>> Check your water pump on efficiency (cavitation), fit a proper SMITH or
>>> equivalent sleeved thermostat, have a more efficient core fitted to your
>>> existing radiator and fit an electric radiator fan.
>>> An aluminium radiator is not better than a proper copper one.
>>>
>>> Kees Oudesluijs
>>>
>>>
>>> Op 19-7-2017 om 23:21 schreef John O'Brien:
>>>
>>>> Looking for any experience with current offerings on ebay.
>>>>
>>>> I just got back a few days ago from the Conclave in Waco. We had a
>>>> great time and met many nice folks. On our way home to Nebraska driving in
>>>> 95 plus temps, my 65 BJ8 started running hotter and hotter until we had to
>>>> pull into a service station and let it cool down. It boiled over in the
>>>> lot, so I had to replace some antifreeze solution too. It seemed like,
>>>> once the gauge got over 212 the temp rocketed well past the 230 upper limit
>>>> on the gauge. I had a similar situation last year driving to Wisconsin on a
>>>> hot day.
>>>>
>>>> So... I'm thinking of replacing the radiator with an aluminum one. I
>>>> put an aluminum rad. in my bugeye a few years back and never have a heat
>>>> problem. I'm wondering if anyone has any experience with the aluminum
>>>> radiators on ebay. One is a Worley for $355.00 w/ free shipping
>>>> http://www.ebay.com/itm/Aluminum-radiator-for-AUSTIN-HEALEY-
>>>> 3000-1959-1967-manual-/112368575956?fits=Make%3AAustin+
>>>> Healey%7CModel%3A3000&epid=906260673&hash=item1a29b065d4:
>>>> g:zbQAAOSw4CFY7nCD&vxp=mtr
>>>>
>>>> and the other is a GPI racing at $350.00 w/ free shipping
>>>> http://www.ebay.com/itm/aluminum-radiator-AUSTIN-HEALEY-
>>>> 3000-1959-1967-/252984917906?fits=Make%3AAustin+Healey%
>>>> 7CModel%3A3000&hash=item3ae7137f92:g:Ia4AAOSwnHZYfX0m&vxp=mtr
>>>>
>>>> Both made in China and look almost the same except the Worley fan guard
>>>> looks different. The GPI looks more like the original Healey rad. I've
>>>> also seen an American made one from Wizard Cooling for $499.00,
>>>> https://wizardcooling.com/1959-1968-austin-healey-3000-alumi
>>>> num-radiator/ that looks very close to the GPI. The Worley and GPI do
>>>> not look like they have the overflow tube on the side of the filler neck
>>>> like the Wizard.
>>>>
>>>> Any thoughts or experience with any of these would be appreciated.
>>>>
>>>> John O'Brien
>>>>
>>>> '65 BJ8 (Madelyn)
>>>>
>>>> '61 Bugeye (Lucy)
>>>>
>>>>
>>>
>>>
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