The Haas and Alfa Romeo teams won't use Ferrari's latest upgraded power unit at this weekend's Spanish Grand Prix. Ferrari will introduce its spec-2 engine in Barcelona, bringing forward an upgrade initially planned for next month's Canadian Grand Prix. In combination with the new unit, the Scuderia will also have access to a new lubricant concocted by technical partner Shell. Haas and Alfa, who both run Ferrari customer engines, will upgrade to the spec-2 engine at Monaco or in Montreal. Ferrari introduces Spec-2 engine ahead of schedule Haas boss Guenther Steiner cited logistical constraints for the delay. "Last year we put it in before them, it was the opposite way around,"...
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