Try here:
F104 Starfighters at RIAT | Aviation | Veoh
although there's too much talk and not enough jet noise.
I agree with a number of posters - it's a Merlin. Closely followed by a couple of Speys in full reheat, or if not in reheat then combined with a long burst from the GAU-4A (drowns out the engine noise). Ahhh, the smell of cordite in the morning. Fond memories of chucking lead into the Med.