[Healeys] Engine Blanking Plate

[Michael Salter]

Yes thanks for pointing that out however, before we confuse everyone, I
should add that what you have mentioned about the spacers does NOT apply to
the 6 cylinder engines that used that blanking plate. Sixes just used 5/16"
UNF nuts with spring washers.

M

On Mon., Dec. 14, 2020, 5:50 a.m. john harper, <ah100tech at gmail.com> wrote:

> Michael
>
> May I just add to this because on face value this plate fitting
> arrangement appears to be a bit strange? On the block are two studs over
> which the plate is fitted but the long studs have collars to space out the
> nuts and spring washer on the studs that would be too long. The question is
> why not use shorter studs? The answer I believe is that when engines were
> being made it was not known if the engine was to be fitted to an Austin
> Atlantic or an AH100. Production is an assembly process and taking out long
> studs and fitting shorter alternatives would slow down production. It was
> much more straight forward to fit either the mechanical pump or a blanking
> plate with collars to take up the length when a thinner plate was fitted on
> a 100.
>
> The part numbers are
>
> 1 Plate                 1B2386
> 1 Joint washer     1E504
> 2 Stud                  2K3451
> 2 Collar                2K9631
> 2 Nuts                  2K39
> 2 Spring Washer  2K1211
>
> Best regards
>
> On Sun, 13 Dec 2020 at 21:50, Michael MacLean <rrengineer.mike at att.net>
> wrote:
>
>> Something similar on the four cylinder block.  I am sure there is
>> factory cover for this opening in the block, but I did not have one with
>> the block that was given to me as a basis for my engine build.  David at
>> British Car Specialists makes up plates just for this purpose.  Unless you
>> are doing a concours restoration, David's plate will work just fine.  In
>> fact I just installed mine.  Here it is before painting.
>> Mike MacLean
>>
>> On Sunday, December 13, 2020, 1:05:37 PM PST, Patrick & Caroline Quinn <
>> p_cquinn at tpg.com.au> wrote:
>>
>>
>> Hello
>>
>>
>>
>> Attached is a photo of the first six-cylinder C26W engine fitted to an
>> Austin-Healey (BN3/1) that shows the plate towards the front.
>>
>>
>>
>> The engine has since been rebuilt and is back in the car.
>>
>>
>>
>> Hoo Roo
>>
>>
>>
>> Patrick Quinn
>>
>> Blue Mountains, Australia
>>
>>
>>
>> *From:* Healeys [mailto:healeys-bounces at autox.team.net] *On Behalf Of *Michael
>> Salter
>> *Sent:* Monday, 14 December 2020 5:04 AM
>> *To:* Harold Manifold
>> *Cc:* healeys at autox.team.net
>> *Subject:* Re: [Healeys] Engine Blanking Plate
>>
>>
>>
>> Yes Harold, The earlier 6 cylinder engines used this blanking plate to
>> cover the fuel pump hole.
>>
>> [image: image.png]
>>
>> M
>>
>>
>>
>>
>>
>> On Sun, Dec 13, 2020 at 12:46 PM Harold Manifold <manifold at telus.net>
>> wrote:
>>
>> Full disclosure the attached picture is not my engine but mine should
>> look similar some day. On the side of the block there is a mounting point
>> for a fuel pump just to the left of the SP casting mark. It looks like
>> versions of this engine block used in other cars had a cam driven fuel
>> pump. I am interested to know the size of the hole in the block for the cam
>> driven pump and if BMC ever supplied a blanking plate to cover the hole.
>> Part number appreciated if it exists.
>>
>>
>>
>>
>>
>> Thanks in advance.... Harold
>>
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