Broc Feeney pips Chaz Mostert as Supercars championships goes down to the wire in Adelaide

Supercars championship leader Broc Feeney has overcome engine dramas to take victory in the penultimate Adelaide grand final race.

But fellow finalist Chaz Mostert was second in Saturday’s 72-lap race, ensuring the title race will go down to the wire.

Triple Eight prodigy Feeney, despite reporting…