Hi all,

A mate has a block and we don’t know what size it is. We expect that it is a 998.

Any help would be appreciated.







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If at first you don't succeed, keep trying.

1100 small bore (edit: at a guess, needs to be measured)

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The bitterness of poor quality (or Crappy Workmanship) remains LONG AFTER the Sweet Taste of Low Price is forgotten.

Engine number badly re-stamped as 10018638?

Maybe a 998cc thick deck pre A+ (12A497)

[Edit: add 12A497]

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"Show me the Mini!"

Yeah I was skeptical about the ‘engine number’ hence why I took a few photos of different angles.

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If at first you don't succeed, keep trying.

As above it’s a 998/1098 block. If you can find the number on the crank or measure the stroke on the crank it’ll tell you more.

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1001 prefix.
It's a 1098. From a Clubman YG2S7. According to John Smidt's early book.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.