Gallery: Jacky rolls out the old X factor at Spa

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It's been fifty years since Jacky Ickx's first F1 win - at Rouen in 1968 - which was also the Grand Prix triumph for a Belgian driver.

Spa paid tribute to the 8-time Grand Prix winner before this Sunday's Belgian GP, with the 73-year-old running a few spirited laps on-board his former Ferrari 312B.

The stunning car, perhaps Ferrari's most elegant design, is now owned by former driver Paolo Barilla who put it back into pristine and period condition with the help of its original designer, Mauro Forghieri.

A veritable treat for the fans was the glorious sound of the V12 3-litre boxer engine bouncing off the Ardennes forest. Just like in the good old days!