round port heads even smaller port heads can make good power but engine
needs to rev high more like a motorbike with little power down low and
have long rod stroke ratio with suitably designed camshaft.

I feel old fashioned but for the cost of this unit ecu and dyno I prefer
to run quad bike carb setup or even a 36/36 weber with Soufrikan manifold
http://manifolds.co.za/index.php?opti ... =item&item_id=50&Itemid=2

Matthew is your mani multi piece to allow for either sep plenum & itbs
Would be handy for some kind of angled primary inlets like below for extra room
or to clear some of the issues with LHS driven dattos on your side of the pond
e.g