https://www.motorsport.com/f1/news/red-bull-eyes-surprise-spec-b-renault-switch-in-russia/3178942/ Red Bull could switch back to Spec B Renault engine for Russia Although Max Verstappen was able to start on the front row and finish runner-up in Singapore with the more powerful Spec C ,the weekend was not without problems because the Dutchman was hit by mapping issues. It meant his power unit kept bogging down or dumping him into a false neutral whenever he was not at full throttle.
