Same position as you Marcus - Vpower not local. I reckon vpower feels slightly smoother (car is mapped for this) but Momentum is a good substitute and cheaper when need to fill up locally, and does not cause any running problems that I can detect.
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Toyobaru 86 with Cosworth exhaust brakes and supercharger, Cosworth mapping, Eibach lowering springs, OZ alloys, fast road geo and various cosmetics. Great fun!