I was tempted to pester them directly, but it sounds like he'll post info when it's available, so I'll leave him alone. If you see an update, please pass it along.
Thanks,
Rusty (sign me up for one)
Rusty you can see the fit on their web site www.mistralengines.com They fit very closely over the top of the engine. The picture shows the old manifold which fits up the same the new shape is slightly different of course.
Bill Jepson