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100M detailed engine data

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V

Vespa

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Hi,

Where can I get detailed engine data about the 100M engine? I've found lots of 100-4, and even 100S, but I can't seem to find any detail on the 100M motor.

Thanks,
Paul B.
 
I also have the "Special Equipment and Tuning Instructions"Publication #1131,which is 8 double-sided pages w/illustrations for the BN1, but list Le Mans tune-up kit & everything from Aero screen Assembly to Alfin drums to Silencer(Race Type), even diffs & O/D units. It's kinda strange because it was published by "The Austin Motor Company Limited (Longbridge & Birmingham) in association with the Donald Healey Motor Company Limited (The Cape, Warwick). It also goes on to sat that this was the kit fitted to the A-H cars that completed the Le Mans 24 hour race in 1953. IMO I think this was the basis for the later Le Mans cars, could be wrong, hard to say. Wish I had more of the kit though. cheers
 
I'm looking for more detailed data about the M engine. Something like the data giving about the stock 100-4 engine in the Factory Service Manual. Piston data, cam data, etc.

- Paul
 
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