AMG engine? : The larger air intakes suggest an increase in power: we can't see yet which engine the Zonda F will pack, as its clear cover panels have been taped over, but our spies suggest either the 5.4-litre supercharged V8 from the McLaren SLR 722 or perhaps even the bi-turbo AMG V12 from the Mercedes-Benz SL65 AMG Black Series. 650bhp-plus, then.
