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Austinsevenfriends › Austin Seven Friends Forum › Forum chat... v
mystery engine number

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mystery engine number
colina Offline
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Location: Lincolnshire
Car type: A7 Ulster Special project
#1
22-11-2022, 11:10 PM (This post was last modified: 22-11-2022, 11:13 PM by colina.)
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


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JonE Offline
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#2
23-11-2022, 08:09 AM
post a few more photos of the whole casting?
https://ulster7.wordpress.com https://sevenrk.wordpress.com/
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Mike Costigan Offline
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#3
23-11-2022, 09:16 AM (This post was last modified: 23-11-2022, 09:16 AM by Mike Costigan.)
Possibly from auxiliary equipment - generator, water pump, or similar? 

A for auxiliary?? It certainly looks like a Longbridge stamp.
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Colin Morgan Offline
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#4
23-11-2022, 10:04 AM
This previous discussion refers...

http://pub25.bravenet.com/forum/static/s...5&cmd=show
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colina Offline
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Car type: A7 Ulster Special project
#5
23-11-2022, 10:15 AM
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!)
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Bluebird7 Offline
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#6
23-11-2022, 12:02 PM
Is it not the 3 bearing engine that was on ebay recently ??? and yes I struggled with the engine number, !!!
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flynbike Offline
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#7
23-11-2022, 06:18 PM
My special has engine no. AND1102 which has a 3 bearing crank. I was led to believe this was a marine or similar engine.
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Reckless Rat Offline
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#8
24-11-2022, 02:47 PM
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]
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Bluebird7 Offline
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#9
24-11-2022, 03:23 PM
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 !!!!
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colina Offline
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#10
25-11-2022, 11:40 PM
Can you explain why it's not suitable please?
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