The Gruppo Velox is an Italian kit manufactured by the very enterprising Luigi Parena in Turin immediately after the war in order to transform a side valve engine to an OHV high-performance engine. It consists of an aluminum cylinder, an 82mm piston and an aluminum cylinder head with crossed pushrods using (if I translate correctly) a single valve spring. Intake valve diameter was 1.250" exhaust 1.813".
Apparently there were kits to fit either a BSA M20 or a Norton 16H- many of which would have been "available" all over Europe. No idea how many were sold, the link below suggests only 30.
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Stock flathead M20
5 comments:
Boy I'd love to see the innards. Thanks, Mr. G.
I looked , not much info online. If it is there, Dave will find it ;-)
Some more info here:
http://pub37.bravenet.com/forum/static/show.php?usernum=3155626639&frmid=16&msgid=1395811&cmd=show
Thanks JP, that site pretty much covers it!
Thanks, you bet.
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