[Healeys] Fwd: Thermal Switch Hole in Cylinder Head

[John and Kerry Rowe]

Don, I believe I am correct. Check Ditlev Clausager Original Austin Healey,
Page 59 Carbs and Fuel System Para 2. Only used from July to November 59.
Also photos on P56 to 58 do not show the plates.Your car may have been
fitted with a leftover cylinder head ex factory if the motor is as you say
untouched
John

On Sun, Apr 4, 2021 at 8:50 AM <fsufan1952 at yahoo.com> wrote:

> I’m not sure your correct on that assumption. I bought this car from the
> original owner in 1974. And the motor has never been apart , or ever
> replaced . I’ve sense talked with other BJ-8 owners   , with this blanking
> plate , along with a few restoration shops and my car isn’t the only one
> they have seen , my year   , with original motors with this blanking plate
> installed .
>           Don
>
>
> Sent from my iPhone
>
> On Apr 3, 2021, at 5:28 PM, John and Kerry Rowe <jtkarowe at gmail.com>
> wrote:
>
> 
> I have that on my 59 Bt7. When I bought the car (as a basket case) it had
> the electric choke switch fitted. I fabricated a cover for the hole. It was
> quickly discontinued and later heads didn't have the hole. If Don's 67 BJ8
> has that, it has evidently been fitted with an early BT/BN7 head.
>
> On Sun, Apr 4, 2021 at 7:21 AM Harold Manifold via Healeys <
> healeys at autox.team.net> wrote:
>
>> Thanks for the quick replies. My car was built in Nov 1960 and didn’t
>> have the hole drilled in casting. I didn’t think of the thermal choke.
>>
>>
>>
>> Harold Manifold
>>
>>
>>
>> *From: *Don via Healeys <healeys at autox.team.net>
>> *Sent: *Saturday, April 3, 2021 1:21 PM
>> *To: *healeyguy at aol.com
>> *Cc: *Healeys at autox.team.net
>> *Subject: *Re: [Healeys] Fwd: Thermal Switch Hole in Cylinder Head
>>
>>
>>
>> This is what it looks like in my late production 67 BJ-8 . Yes a thermal
>> choke that I guess never worked out .
>>
>> <9D8625BE4BC4497295B530036A051598.jpg>
>>
>> Sent from my iPhone
>>
>>
>>
>> On Apr 3, 2021, at 4:01 PM, healeyguy--- via Healeys <
>> healeys at autox.team.net> wrote:
>>
>> 
>>
>>
>>
>> -----Original Message-----
>> From: healeyguy at aol.com
>> To: manifold at telus.net <manifold at telus.net>
>> Sent: Sat, Apr 3, 2021 3:54 pm
>> Subject: Re: [Healeys] Thermal Switch Hole in Cylinder Head
>>
>> Harold
>>
>> Thermo electric choke introduced in July 1959. Manual choke used again in
>> November 1959.
>>
>> Perry
>>
>> -----Original Message-----
>> From: Harold Manifold via Healeys <healeys at autox.team.net>
>> To: Ken Fleming via Healeys <healeys at autox.team.net>
>> Sent: Sat, Apr 3, 2021 3:31 pm
>> Subject: [Healeys] Thermal Switch Hole in Cylinder Head
>>
>> Hello,
>>
>>
>>
>> What is the history for the Thermal Switch Hole in the cylinder head.
>> Item 8 in the attached drawing. Some heads have the hole in the casting and
>> it is blanked off and in some heads the hole was never added.
>>
>>
>>
>> Harold Manifold
>>
>>
>>
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