My previously held message below:
Begin forwarded message:
> From: Olin Brimberry <healey@hunterbane.com>
> Date: October 5, 2010 10:32:13 AM EDT
> To: Chris Dimmock [Healey] <austin.healey@gmail.com>
> Cc: Healeys <healeys@autox.team.net>, Shop at Just Brits <shop@justbrits.com
> >, msalter@precisionsportscar.com, frogeye@porterscustom.com,
>bspidell@comcast.net
> , racarbon@verizon.net
> Subject: Re: [Healeys] The AEC960 Healey 3000 Cylinder Head spark
> plug seat and timing issue
>
> Chris as another data point for your great write up, the Mechanical
> Service Spare Parts Manual indicates the part number for the BJ7 and
> BJ8 cylinder heads to be AEC 2008 with no discrepancies for export/
> UK or any change by engine number. AEC 960 is not a valid part
> number for these two series. Maybe that head is from an earlier
> 3000 or it is a casting number?
>
> Olin
> On Oct 5, 2010, at 3:54 AM, Chris Dimmock [Healey] wrote:
>
>> Ok Guys - here is the follow up as promised re the spark plug seat
>> issue on
>> the AEC960 cylinder head.
>>
>> I've discussed this on and off for nearly 12 years - we discovered
>> this
>> issue when I rebuilt my BJ8 in 1998
>>
>> Yesterday, I pulled out 3 different westlake design cylinder heads
>> - a
>> Sprite; a 100/4; and a 3000 - and using the SAME spark plug - took
>> a few
>> pics....
>>
>> Simply - the spark plugs on "some" 12 port 3000 cylinder heads
>> don't go in
>> deep enough compared to any other westlake head design.
>>
>> Which is just wrong....
>>
>> Here is my take, with pictures....
>> http://www.myaustinhealey.com/aec960-healey-cylinder-head.html
>>
>> Fire away.....
>>
>> Chris
>> www.myaustinhealey.com
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