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Austinsevenfriends
mystery engine number - Printable Version

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mystery engine number - colina - 22-11-2022

Hi - my first post on this forum and a newbie to the world of A7s so please be gentle with me!

I am collecting bits to build an Ulster Special and have recently acquired an engine. However its number (AND 535) seems to be a bit unusual as I understand that they are normally of the format Mnnnnnn.
Can anyone help identify it please?

Thanks
Colin
sorry, meant to say AND 935

RE: mystery engine number - JonE - 23-11-2022

post a few more photos of the whole casting?

RE: mystery engine number - Mike Costigan - 23-11-2022

Possibly from auxiliary equipment - generator, water pump, or similar? 

A for auxiliary?? It certainly looks like a Longbridge stamp.

RE: mystery engine number - Colin Morgan - 23-11-2022

This previous discussion refers...

http://pub25.bravenet.com/forum/static/show.php?usernum=2099944454&frmid=5&msgid=952375&cmd=show

RE: mystery engine number - colina - 23-11-2022

Many thanks - that seems to explain the mystery! i haven't yet taken the sump off so don't know if its two or three bearing and if it will be suitable for my low frame chassis. I will take some photos (once it stops raining!)

RE: mystery engine number - Bluebird7 - 23-11-2022

Is it not the 3 bearing engine that was on ebay recently ??? and yes I struggled with the engine number, !!!

RE: mystery engine number - flynbike - 23-11-2022

My special has engine no. AND1102 which has a 3 bearing crank. I was led to believe this was a marine or similar engine.

RE: mystery engine number - Reckless Rat - 24-11-2022

You should be able to see the difference without taking the sump off - the three bearing crank has a big centre bearing:

[Image: s-l400.jpg]

whereas the two bearing crank is simpler with just a small counterweight in the centre:

[Image: R.f47665d2b2ec882cb09c5efa0080cb43?rik=6...ImgRaw&r=0]

RE: mystery engine number - Bluebird7 - 24-11-2022

If there is a bolt head near the fuel pump mounting in the centre of the crankcase then it is 3 bearing.
Probably not the best engine for an Ulster rep !!!!

RE: mystery engine number - colina - 25-11-2022

Can you explain why it's not suitable please?