[Healeys] Engine Blanking Plate

[john harper]

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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