Yeah mate, there's more after tassie nats. check the calendar link I posted for more dates.
Since you have the right regulator for the job I would suggest you do use a lift pump, surge tank and main EFI pump.
Here's a tech article which shows you how to set everything up....
http://www.rollaclub.com/board/index.php?showtopic=17418
Have you had it on boost, say in 4th gear, for over 10 seconds yet? Or driven it hard through all the gears. You may not have drained the float bowl completely yet and hence you don't think its a problem,..... when if you drove it hard it would be.