Reynolds was moving slowly off Turn 6 in Townsville when Heimgartner arrived at speed and had to slow as he approached both of the Penrite Racing Cars.
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Those elevated in place of Reynolds are Rick Kelly and Chris Pither.
Garry Jacobson also earned the ire of officials after he got in the way of Scott McLaughlin at the end of the latter's only hot lap in the same session, leading to nose-to-tail contact.
Race 24 starts at 14:40 local time/AEST.