Biggest

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morris-miner
998 Cooper
Posts: 502
Joined: Thu Jun 24, 2010 10:50 pm
Location: Sunny Devon
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Biggest

Post by morris-miner »

A very young Mini fanatic neighbour of mine has asked me what the biggest capacity has been achieved from an A-series. Front wheel drive or otherwise.
ianh1968
1275 Cooper S
Posts: 1012
Joined: Sat Nov 03, 2012 6:00 pm
Location: West Sussex

Re: Biggest

Post by ianh1968 »

I read somewhere recently that 1630cc was achieved from a 1275cc block...

It used 74.7mm Triumph 2.5 pistons and a 93mm stroke crank.

I am not sure if this is the record? I have a funny feeling that someone
has made one even bigger than this... 1660cc rings a bell?

If you are talking about the smaller 1098cc block, the largest sensible
size you could get from these was about 1250cc, using Hillman Imp +0.040"
pistons.
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