[dgt]

Rasta, thanks for the reply. I'll check the vacuum as you mention, but why would vacuum change only on very hard right turns? This does move the fuel away from the 'pick-up' side of tank. I thought also about the fuel pressure regulator, but again, why only hard right turns?

The other posts I have seen - from many years ago so this obviously is not common - were identical except the fuel level was around 1/2 tank, not 2/3 where my problems start.